ECOTEST MKS-05 TERRA Operating Manual

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Manual is about: dosimeter-radiometer

Summary of MKS-05 TERRA

  • Page 1

    Mks-05 “terra” dosimeter-radiometer operating manual.

  • Page 2: Contents

    1 contents 1 description and operation...................................................... 4 1.1 p urpose of use ............................................................................. 4 1.2 t echnical specifications ........................................................... 5 1.3 d elivery...

  • Page 3

    2 5 packing certificate ................................................................ 128 6 warranty .................................................................................... 129 7 repair............................................................................................. 130 8...

  • Page 4

    3 this operating manual (hereinafter called the om) is intended to inform the user about the principles of operation and rules of application of the mks-05 “terra” dosimeter-radiometer. The manual contains all information necessary for proper use of the dosimeter and full realization of its technica...

  • Page 5: 1 Description and Operation

    4 1 description and operation 1.1 purpose of use the mks-05 “terra” dosimeter-radiometer (hereinafter called the dosimeter) is designed to measure ambient dose equivalent (de) and ambient dose equivalent rate (der) of gamma and x-ray radiation (hereinafter called photon-ionizing radiation), and surf...

  • Page 6

    5 1.2 technical specifications 1.2.1 key specifications are presented in table 1.1. Table 1.1 – key specifications name unit of measurement standardized values according to technical specifications 1 measurement range of photon- ionizing radiation der μsv/h 0.1 – 9999 2 main relative permissible err...

  • Page 7

    6 table 1.1 (continued) name unit of measurement standardized values according to technical specifications 4 main relative permissible error limit of photon-ionizing radiation de measurement with confidence probability of 0.95 % ±15 5 energy range of registered photon-ionizing radiation mev 0.05 – 3...

  • Page 8: Note.

    7 table 1.1 (continued) name unit of measurement standardized values according to technical specifications 7 anisotropy of the dosimeter at gamma quantum incidence at solid angle of 30 o to 150 o relative to the main axis of the detector and from the side of the main measurement direction for: - 137...

  • Page 9

    8 table 1.1 (continued) name unit of measurement standardized values according to technical specifications 9 main relative permissible error limit of beta- particles flux density measurement with confidence probability of 0.95 % 200 20 , where β φ is a numeric value of the measured surface flux dens...

  • Page 10

    9 table 1.1 (continued) name unit of measurement standardized values according to technical specifications 12 resolution of de accumulation time display in the range of 0 h to 100 hrs of 100 hrs to 9999 hrs - 1 min 1 h 13 absolute permissible error limit at de accumulation time measurement during 24...

  • Page 11

    10 table 1.1 (continued) name unit of measurement standardized values according to technical specifications 15 battery life (aaax2 of 1280 ma·h capacity) under + 20 о С temperature, natural background radiation and switched off display backlight, not more than h 1500 16 unstable readings of the dosi...

  • Page 12

    11 table 1.1 (continued) name unit of measur ement standardized values according to technical specifications 19 additional permissible error limit at measurement of photon-ionizing radiation de and der and surface beta-particles flux density in the ambient air temperature range of – 20 to + 50 о С %...

  • Page 13

    12 table 1.1 (continued) name unit of measureme nt standardized values according to technical specifications 24 average shelf life of the dosimeter, not less than year 6 25 dimensions, not more than mm 55 26 120 26 weight, not more than kg 0.2 1.2.2 the dosimeter displays the statistical error value...

  • Page 14

    13 1.2.4 for fast evaluation of photon-ionizing radiation der and surface beta-particles flux density the dosimeter provides a ten-segment indicator of instantaneous value. The information is updated on the indicator of instantaneous value each 500 ms. 1.2.5 threshold alarm system with three indepen...

  • Page 15

    14 1.2.5.3 threshold level values of surface beta-particles flux density in the range of 0 to 9999·10 3 part./(cm 2 ·min) with discreteness of 0.01 10 3 part./(cm 2 ·min) are programmed in the dosimeter. 1.2.5.4 the programmed values of the threshold levels are saved in the nonvolatile memory of the...

  • Page 16

    15 1.2.8 the dosimeter stores up to 1200 measurement results of photon- ionizing radiation der or surface beta-particles flux density in its nonvolatile memory. For more convenient identification every measurement result is stored along with a three-digit number of measurement object, as well as wit...

  • Page 17

    16 1.2.12 the dosimeter provides the possibility to work in the mode of intelligent detecting unit (hereinafter called the idu). In this mode the dosimeter sends to the pc via the bluetooth radio channel: - current measurement results of photon-ionizing radiation der or surface beta-particles flux d...

  • Page 18

    17 1.2.15 the dosimeter is resistant to the following external factors: - high frequency sinusoidal vibrations (with crossover frequency from 57 to 62 hz) in the range of 10 to 55 hz, 0.15 mm bias for frequency lower than the crossover frequency; - shocks with a shock pulse duration of 5 ms, a total...

  • Page 19: 1.3 Delivery Kit

    18 1.3 delivery kit 1.3.1 the delivery kit of the dosimeter consists of the items and the maintenance documentation presented in table 1.2. Table 1.2 - delivery kit of the dosimeter type item quantity note ВІСТ.412129.006-09 mks-05 “terra” dosimeter- radiometer bluetooth radio channel included ВІСТ....

  • Page 20

    19 table 1.2 (continued) type item quantity note art. 80311 ТУ У 31111166.001- 2001 leather case 1 pc. Custom-made software “computer- aided programming and operation logging of the dosimeter ” (“cadmium- ecomonitor”) 1 supplied with the devices equipped with bluetooth channel.

  • Page 21: Design of The Dosimeter

    20 1.4 design and principle of operation 1.4.1 design of the dosimeter the dosimeter is designed as a flat square plastic body with rounded corners. The body (figure 1) consists of the upper (1) and the lower (2) covers. The lcd (3) is located in the middle of the upper cover (2); two keys of contro...

  • Page 22

    21 figure 1 – external view of the dosimeter (top view).

  • Page 23

    22 figure 2 - external view of the dosimeter (bottom view).

  • Page 24

    23 the battery compartment (1) and the window (3) for surface beta- particles flux density measurement are located in the lower cover (7) (figure 2). The battery compartment (1) is closed with the cover (2) whereas the window of the detector (3) is closed with the filter cover, both of which are fas...

  • Page 25

    24 the gamma and beta radiation detector built on the basis of СБМ-20-1 geiger-muller counter, transforms radiation into the sequence of voltage pulses; the number of pulses per unit of time is proportional to the registered radiation intensity. The circuit of the anode voltage formation and the cir...

  • Page 26: 1.5 Labeling and Sealing

    25 1.5 labeling and sealing 1.5.1 the upper cover of the dosimeter is inscribed with the name, the symbol of the device, the trademark of the producer enterprise, the ingress protection rating of the dosimeter, and the pattern approval mark of measuring instruments a serial number and a manufacture ...

  • Page 27: 2 Proper Use

    26 2 proper use 2.1 operating limitations operating limitations are presented in table 2.1. Table 2.1 – operating limitations operating limitations limitation parameters 1 ambient air temperature from - 25 to +55 о С 2 relative humidity up to 95 % at + 35 о С temperature, non-condensing 3 photon-ion...

  • Page 28: Note

    27 2.2.2 rules and order of examination for operational readiness. 2.2.2.1 study the operating manual before putting the dosimeter into operation. 2.2.2.2 open the battery compartment and make sure the two batteries are inserted, connections are reliable, and there is no leakage of salts after durab...

  • Page 29

    28 2.2.3.2 press shortly the mode button and make sure the dosimeter has entered the mode of indication of photon-ionizing radiation de accumulated value. “γ” symbol and “msv” dimension of the measured quantity show that the dosimeter is operating in this mode. 2.2.3.3 press shortly the mode button ...

  • Page 30

    29 table 2.2 – possible troubles and troubleshooting trouble probable cause troubleshooting the dosimeter does not switch on after the mode button is pressed 1 the batteries are discharged 2 no contact between the batteries and the battery compartment clamps 3 one of the batteries is out of order 1 ...

  • Page 31

    30 table 2.2 (continued) trouble probable cause troubleshooting low battery indication is displayed on the lcd after the batteries have been replaced 1 poor contact between the batteries and the battery compartment clamps 2 one of the batteries is out of order 1 clean out the contacts on the clamps ...

  • Page 32

    31 table 2.2 (continued) trouble probable cause troubleshooting no connection between the dosimeter and the pc, which is testified by the messages “er03”, “er04”, “er05”, “er06” or “er07” on the lcd of the dosimeter 1 the distance between the dosimeter and the pc is too big 2 the “cadmium- ecomonito...

  • Page 33: 2.3  Use of The Dosimeter

    32 2.3 use of the dosimeter 2.3.1 safety measures during use of the dosimeter 2.3.1.1 the dosimeter contains no external parts exposed to voltages hazardous for life. 2.3.1.2 direct use of the device is not dangerous for the service personnel and is environmentally friendly. 2.3.1.3 a special protec...

  • Page 34

    33 2.3.2 operating modes of the dosimeter 2.3.2.1 operating modes of the dosimeter the dosimeter operates within the following modes: - photon-ionizing radiation der measurement; - indication of accumulated value of photon-ionizing radiation de; - surface beta-particles flux density measurement; - c...

  • Page 35

    34 - programming of new values of audio alarm threshold level and specified statistical error, and switching on/off audio signaling of registered gamma-quanta. The mode of accumulated value indication of photon-ionizing radiation de consists of the following submodes: - programming of a new value of...

  • Page 36: Dosimeter’S Buttons

    35 the mode of clock has the submode of time and date correction. The mode of alarm clock has the submode of programming the time of alarm activation. The mode of measurement results viewing stored in the nonvolatile memory has the submode of measurement results clearing. 2.3.3 operation procedure o...

  • Page 37

    36 2.3.3.2 switching the dosimeter on/off press shortly the mode button to switch the dosimeter on. A short vibration-audio signal and symbols displayed on the lcd show that the dosimeter is on. Press the mode button once again and hold it pressed for circa six seconds to switch the dosimeter off. 2...

  • Page 38

    37 - the mode of accumulated value indication of photon-ionizing radiation de; - the mode surface beta-particles flux density measurement; - the mode of clock; - the mode of alarm clock; - the mode of data communications control with the pc; - the mode of measurement results viewing stored in the no...

  • Page 39: Alarm Type Change

    38 if the nonvolatile memory has no saved measurement results, a short press of the mode button switches the dosimeter from the mode of data communications control with the pc directly to the mode of photon-ionizing radiation der measurement. A short or a long press of the threshold button in any op...

  • Page 40

    39 figure 3 – lcd of the dosimeter (the mode of photon-ionizing radiation der measurement).

  • Page 41: Lcd Backlight Control

    40 2.3.3.5 lcd backlight control each press of any button of the dosimeter activates the lcd backlight for 6 seconds. Press the threshold button twice (time between presses should not exceed 0.5 s) to turn on a continuous lcd backlight. Press the threshold button twice once again to turn off a conti...

  • Page 42

    41 2.3.3.7 the mode of photon-ionizing radiation der measurement the mode of photon-ionizing radiation der measurement is entered automatically after the dosimeter is switched on. With a short press on the mode button you can proceed to this mode from any other operating mode. To measure photon-ioni...

  • Page 43

    42 - battery status symbol (7); - measurement result (8); - dimension of measurement result (9); - current time (10); - threshold level of alarm actuation (11). As soon as the measurement is started the measurement results of photon-ionizing radiation der (8) and the statistical error values (1) tha...

  • Page 44

    43 the ten-segment indicator of instantaneous value (3) is used for fast evaluation of photon-ionizing radiation intensity. The integration time during measurement of the instantaneous intensity value and the time of information update on the instantaneous value indicator are equal to 500 ms. The in...

  • Page 45

    44 audio signaling of registered gamma quanta is switched on and off in the submode of alarm threshold level programming. Photon-ionizing radiation der is measured in the following way. As soon as the measurement is started the lcd of the dosimeter begins to display the measurement results and the s...

  • Page 46

    45 if the specified statistical error is determined automatically by the device, its value is blinking on the lcd until it remains greater than the value of main relative permissible error limit of photon-ionizing radiation der measurement (table 1.1). If the specified statistical error is determine...

  • Page 47

    46 figure 4 – lcd of the dosimeter (viewing the value of specified statistical error).

  • Page 48

    47 if the threshold button is being held down for more than three seconds, the lcd displays the “arch” symbols (figure 5). Thus it becomes possible to proceed to the submode of measurement result saving in the nonvolatile memory. Figure 5 – lcd of the dosimeter (start of the submode of measurement r...

  • Page 49

    48 if you keep holding the threshold button, the “arch” symbols will disappear from the lcd, and the measurement will be restarted during the next two seconds (figure 6). Figure 6 – lcd of the dosimeter (measurement restart).

  • Page 50

    49 if you keep holding the threshold button, then during the next two seconds the dosimeter will proceed to the submode of programming of new values of alarm threshold level and specified statistical error, and switching on/off audio signaling of registered gamma-quanta (figure 7). A stripe (1) “mov...

  • Page 51

    50 figure 7 – lcd of the dosimeter (the submode of alarm threshold level programming).

  • Page 52

    51 a short press of the mode button fixes the value of the digit (it stops blinking) and allows presetting the value of the next digit, which starts blinking at that. Other digits are programmed likewise. As soon as all digits of the new threshold level are programmed, the lcd of the dosimeter displ...

  • Page 53

    52 figure 8 – lcd of the dosimeter (the submode of alarm threshold level programming).

  • Page 54: Caution!

    53 as soon as all digits of the new value of the specified statistical error are programmed, the sound symbol starts blinking on the lcd of the dosimeter. Thus it becomes possible to switch on/off audio and/or vibration signaling of every registered gamma quantum. Successive short presses of the thr...

  • Page 55: Note

    54 audio signaling of registered gamma-quanta is paused for more than 30 s (the user presses no buttons of the dosimeter), the dosimeter will automatically return to the mode of photon-ionizing radiation der measurement. All changes made in the submode of new values programming will be cancelled. No...

  • Page 56

    55 figure 9 – lcd of the dosimeter (start of the submode of measurement result saving – no free space in the nonvolatile memory).

  • Page 57

    56 to clear the space in the nonvolatile memory, delete its saved measurement results. Measurement results can be cleared during data communications with the pc (2.3.3.12 of the om) or in the viewing mode (2.3.3.13 of the om). The “arch” symbols (1) on the lcd of the dosimeter are an indication of t...

  • Page 58

    57 figure 10 – lcd of the dosimeter (the submode of measurement result saving of photon-ionizing radiation der).

  • Page 59: Caution!

    58 the low-order digit of the object number is blinking and shows that its value can be programmed. Use the threshold button to set the required value of the blinking digit. Successive short presses and releases of the threshold button change this value per unit. A long press of the threshold button...

  • Page 60: Accumulated Value

    59 dosimeter will automatically return to the mode of photon-ionizing radiation der measurement without saving the measurement result. 2.3.3.8 the mode of indication of photon-ionizing radiation de accumulated value this mode can be entered from any other operating mode of the dosimeter with the hel...

  • Page 61

    60 figure 11 – lcd of the dosimeter (the mode of indication of photon-ionizing radiation de accumulated value).

  • Page 62

    61 the accumulated value of photon-ionizing radiation de, de accumulation time and de threshold level are displayed in this mode. The process of photon-ionizing radiation de accumulation starts right after the dosimeter is switched on, and is performed in all operating modes, except for surface beta...

  • Page 63

    62 as soon as de accumulation time exceeds 100 hours, it is displayed in the “hhhh” format, where hhhh stands for the value of hours of de accumulation time. The “:” symbol is absent. The dosimeter sends a two-tone audio signal and/or an intermittent vibration signal when the measured de value of al...

  • Page 64

    63 figure 12 – lcd of the dosimeter (the submode of a new value programming of alarm threshold level).

  • Page 65

    64 when a digit is blinking, it means that its value can be programmed. Use the threshold button to set the required value of the blinking digit. Successive short presses and releases of the threshold button change this value per unit. A long press of the threshold button starts automatic change of ...

  • Page 66: Caution!

    65 caution! If the submode of a new value programming of alarm threshold level is paused for more than 30 s (the user presses no buttons of the dosimeter), the dosimeter will automatically return to the mode of indication of photon-ionizing radiation de accumulated value. All changes made in the sub...

  • Page 67

    66 figure 13 – lcd of the dosimeter (the sumbode of de and de accumulation time values resetting).

  • Page 68: Caution!

    67 to cancel resetting, shortly press the threshold button once again or do not press the buttons during 30 s (the dosimeter will automatically enter the mode of indication of photon-ionizing radiation de accumulated value and de accumulation time). To confirm resetting of de and de accumulation tim...

  • Page 69

    68 2.3.3.9 the mode surface beta-particles flux density measurement this mode can be entered from any other operating mode of the dosimeter with the help of a short press of the mode button. This mode follows the mode of measured value indication of photon-ionizing radiation de and de accumulation t...

  • Page 70

    69 to measure surface beta-particles flux density, remove the filter cover from the window, located opposite the detector, direct the dosimeter with the window in parallel to the examined surface and place it as close as possible. In the mode of surface beta-particles flux density measurement the do...

  • Page 71

    70 figure 14 – lcd of the dosimeter (the mode of surface beta-particles flux density measurement).

  • Page 72

    71 as soon as the measurement is started the surface beta-particles flux density measurement results (8) and the statistical error values (1) that correspond to these results begin to be formed on the lcd. If the flux density measurement results exceed the alarm threshold level (11), the dosimeter s...

  • Page 73

    72 the greater the intensity becomes the more scale segments start to be highlighted from left to right. The scale becomes fully highlighted when the intensity equals to 740 pulse/s pulse rate from the geiger-muller counter. Beta-particles flux density is about 45 10 3 part./(cm 2 min) in this case ...

  • Page 74

    73 if this error is reached, a part of statistical information starts to be rejected while the measurement process continues. Therefore, all following measurement results will have the statistical error, which is equal to or less than the specified one. The dosimeter can automatically determine the ...

  • Page 75

    74 threshold button is being pressed and held down (but not longer than 3 s). A zero value display means that the dosimeter determined the specified statistical error automatically depending on the radiation intensity. Figure 15 – lcd of the dosimeter (viewing the value of specified statistical erro...

  • Page 76

    75 if the threshold button is being held down for more than three seconds, the lcd displays the “arch” symbols (figure 16). Thus, it becomes possible to proceed to the submode of measurement result saving in the nonvolatile memory. Figure 16 – lcd of the dosimeter (start of the submode of measuremen...

  • Page 77

    76 if you keep holding the threshold button, the “arch” symbols will disappear from the lcd, and the measurement will be restarted during the next two seconds (figure 17). Figure 17 – lcd of the dosimeter (measurement restart).

  • Page 78

    77 if you keep holding the threshold button, then during the next two seconds the dosimeter will proceed to the submode of new values programming of alarm threshold level and specified statistical error, and switching on/off audio signaling of registered gamma-quanta and beta- particles (figure 18)....

  • Page 79

    78 figure 18 – lcd of the dosimeter (the submode of alarm threshold level programming).

  • Page 80

    79 proceeding to the submode of measurement result saving should be confirmed by a short press of the mode button. Press shortly the threshold button to cancel the action. If the buttons are not pressed for 30 s, the dosimeter automatically returns to the mode of surface beta- particles flux density...

  • Page 81

    80 figure 19 – lcd of the dosimeter (start of the submode of measurement result saving – no free space in the nonvolatile memory).

  • Page 82

    81 the “arch” symbols (2) on the lcd of the dosimeter are an indication of the submode of measurement result saving (figure 20). In this submode the lcd displays the measurement result (1) and the measurement object number (3) that will be saved in the nonvolatile memory. The nonvolatile memory stat...

  • Page 83

    82 figure 20 – lcd of the dosimeter (the submode of measurement result saving of surface beta-particles flux density).

  • Page 84: The Clock Mode

    83 2.3.3.10 the clock mode this mode can be entered from any other operating mode of the dosimeter with the help of a short press of the mode button. This mode follows the mode of surface beta-particles flux density measurement. In the mode of clock the dosimeter’s lcd displays the following informa...

  • Page 85

    84 figure 21 – lcd of the dosimeter (the clock mode).

  • Page 86

    85 to proceed to the submode of time and date correction, press and hold the threshold button until a stripe (1) “moving” across the instantaneous value indicator appears on the lcd, and the digits of minutes (2) start blinking (figure 22). Figure 22 – lcd of the dosimeter (the submode of time and d...

  • Page 87

    86 when digits are blinking, it means that their values can be programmed. Use the threshold button to set the required value of the digit. Successive short presses and releases of the threshold button change this value per unit. A long press of the threshold button starts automatic change of this v...

  • Page 88

    87 figure 23 – lcd of the dosimeter (the submode of time and date correction – year programming).

  • Page 89

    88 when the low-order digits of the year are blinking, it means that their values can be programmed. They are programmed with the help of the threshold button in a similar way to the minute digits programming. The year value can be set within the limits from 2010 to 2099. A short press of the mode b...

  • Page 90

    89 figure 24 – lcd of the dosimeter (the submode of time and date correction – date programming).

  • Page 91: Caution!

    90 a short press of the mode button fixes the values of the month digits (they stop blinking) and allows presetting the values of the date digits, which start blinking at that. The date digits are programmed with the help of the threshold button in a similar way to the hour digits programming. A sho...

  • Page 92: The Mode of Alarm Clock

    91 2.3.3.11 the mode of alarm clock this mode can be entered from any other operating mode of the dosimeter with the help of a short press of the mode button. This mode follows the mode of clock. In the mode of alarm clock the dosimeter’s lcd displays the following information (figure 25): - alarm c...

  • Page 93

    92 figure 25 – lcd of the dosimeter (the alarm clock mode).

  • Page 94

    93 figure 26 – lcd of the dosimeter (the submode of alarm clock activation time programming).

  • Page 95: Caution!

    94 minutes and hours of the alarm clock activation are programmed in a similar way to time correction in the clock mode. As soon as the alarm clock activation time is programmed, the alarm clock symbol (2) starts blinking on the lcd of the dosimeter. Thus it becomes possible to turn on/off the alarm...

  • Page 96

    95 if the alarm clock is on, and the current time coincides with the alarm clock activation time, the alarm clock will be activated and the dosimeter will start generating the alarm clock signal – typical audio and/or vibration signals, in all operating modes and submodes of the dosimeter, except fo...

  • Page 97

    96 2.3.3.12 the mode of data communications control with the pc 2.3.3.12.1 this mode can be entered from any other operating mode of the dosimeter with the help of a short press of the mode button. This mode follows the alarm clock mode. In the mode of data communications control with the pc the dos...

  • Page 98

    97 figure 27 – lcd of the dosimeter (the mode of data communications control with the pc).

  • Page 99

    98 if the connection failed to be established or data communications failed to be performed with the pc (for instance, the pc is off, located beyond the reach of the bluetooth radio channel of the dosimeter, or the custom-made software is not launched on this pc), the dosimeter is searching for the ...

  • Page 100

    99 figure 28 – lcd of the dosimeter (the mode of data communications control with the pc).

  • Page 101

    100 during the data communications the dosimeter can operate in the mode of idu. The dosimeter sends to the pc: - current measurement results of photon-ionizing radiation der or surface beta-particles flux density; - current value of accumulated photon-ionizing radiation de, and de accumulation time...

  • Page 102: Nonvolatile Memory

    101 communications with the pc can be stopped only with the help of the controls of the custom-made software „computer-aided programming and operation logging of the dosimeter” („cadmium-ecomonitor”). 2.3.3.13 the mode of measurement results viewing stored in the nonvolatile memory 2.3.3.13.1 if the...

  • Page 103

    102 figure 29 – lcd of the dosimeter (the mode of measurement results viewing stored in the nonvolatile memory).

  • Page 104

    103 press shortly the threshold button to view the measurement results stored in the nonvolatile memory. The lcd of the dosimeter displays the following information (figure 30): - indicator of measurement results location in the nonvolatile memory (1); - alarm clock symbol (2) (if the alarm clock is...

  • Page 105

    104 figure 30 – lcd of the dosimeter (measurement results viewing).

  • Page 106

    105 the indicator of location (1) shows a place of the measurement result (5) in the nonvolatile memory. The leftmost position of the location indicator corresponds to the start of the nonvolatile memory, i.E. The oldest measurement result (the measurement result that was first saved). The rightmost...

  • Page 107

    106 a short press on the threshold button makes it possible to view the previous measurement result that has been saved before the measurement result, which is displayed on the lcd now. The lcd of the dosimeter displays the measurement object number and the time of measurement performance along with...

  • Page 108

    107 figure 31 – lcd of the dosimeter (the submode of measurement results clearing stored in the nonvolatile memory).

  • Page 109: Caution!

    108 to cancel clearing, shortly press the threshold button or do not press the buttons during 30 s (the dosimeter will automatically enter the mode of measurement results viewing stored in the nonvolatile memory). To confirm clearing of the measurement results stored in the nonvolatile memory, short...

  • Page 110: 3 Technical Maintеnance

    109 3 technical maintЕnance 3.1 technical maintenance of the dosimeter 3.1.1 general instructions the list of operations performed during technical maintenance (hereinafter called tm) of the dosimeter, the order and the peculiarities of operational phases are presented in table 3.1. Table 3.1 – list...

  • Page 111: Note.

    110 note. “+” means the operation is applicable for this type of tm; “-” means the operation is not applicable. 3.1.2 safety measures tm safety measures fully comply with safety measures stated in item 2.3.1 of the present om. 3.1.3 maintenance procedure of the dosimeter 3.1.3.1 external examination...

  • Page 112

    111 3.1.3.3.2 order of pre-repair fault detection and rejection use the following criteria to evaluate the necessity of sending the dosimeter for repair and the type of repair: - for mid-life repair: а) deviation of parameters from reference values during the periodical verification of the dosimeter...

  • Page 113: Verification Operations

    112 3.1.3.4 batteries switching off and their status control the batteries should be switched off each time before the long-term storage of the dosimeter. Do this as follows: - switch the dosimeter off; - open the lid of the battery compartment; - remove the batteries; - examine the battery compartm...

  • Page 114: Verification Facilities

    113 table 3.2 – verification operations operation name verification technique no. External examination 3.2.4.1 testing 3.2.4.2 calculation of main relative error of photon-ionizing radiation der measurement 3.2.4.3 calculation of main relative error of photon-ionizing radiation de measurement 3.2.4....

  • Page 115: Note.

    114 - low-active gamma radiation source 137 cs; - standard stop-watch . All verification facilities should obtain valid verification certificates or state metrological certification . Note. Use of other standard measuring equipment with the accuracy prescribed in 3.2.2 is allowed. 3.2.3 verification...

  • Page 116: Verification Procedure

    115 3.2.4 verification procedure 3.2.4.1 external examination during external examination the dosimeter should meet the following requirements: - the delivery kit should be completed as stated in item 1.3.1 of the present om; - labeling should be accurate; - quality control department seals should n...

  • Page 117: Radiation Der Measurement

    116 3.2.4.3 calculation of main relative error of photon-ionizing radiation der measurement prepare the УПГД-3В testing equipment for operation according to its operating manual. Prepare the dosimeter for photon-ionizing radiation der measurement (hereinafter called der) and program 5 % value of the...

  • Page 118

    117 calculate the der value ) 10 ( * h , in µsv/h by the formula: ) 10 ( ) 10 ( ) 10 ( * * * Ф h h h , (1) where ) 10 ( * h - is an average value of the dosimeter readings of source and external gamma background in µsv/h; ) 10 ( * Ф h - is an average value of the dosimeter readings during external g...

  • Page 119

    118 place the УПГД-3В carriage together with the dosimeter in the position, where der from 137 cs source is 80.0 µsv/h, and wait until the statistical error of der measurement results goes down to the value of not more than 10 %. Then register five der measurement results in the protocol with 5 s in...

  • Page 120: Radiation De Measurement

    119 more than 10 %. Then register five der measurement results in the protocol with 5 s interval. Calculate the average der value and the main relative error of measurement in percentage. The dosimeter is acknowledged to have passed the verification if the main relative error in percentage during me...

  • Page 121

    120 place the УПГД-3В carriage together with the dosimeter in the position, where der from 137 cs source is 80 µsv/h. Record the initial de value and simultaneously switch on the stop-watch. Read the de measurement result after 60 minutes (according to the stop-watch) of irradiation, subtract the de...

  • Page 122: Flux Density Measurement

    121 record the initial de value and simultaneously switch on the stop-watch. Read the de measurement result after 10 minutes (according to the stop-watch) of irradiation, subtract the de initial value, calculate the main relative error of measurement in percentage, and register these values in the p...

  • Page 123

    122 then switch the dosimeter to the mode of surface beta-particles flux density measurement, and set 10 % value of the specified statistical error according to item 2.3.3.9 of the om. Place the dosimeter with the open window above the 4co source surface, providing surface beta-particles flux densit...

  • Page 124

    123 wait until the statistical error of surface beta-particles flux density measurement results goes down to the value of not more than 10 %. Then register five measurement results in the protocol with 5 s interval. Calculate the average value of surface beta-particles flux density and the main rela...

  • Page 125

    124 the dosimeter is acknowledged to have passed the verification if the main relative error in percentage during measurement of each surface beta- particles flux density level does not exceed 200 20 , where β φ is a numeric value of the measured surface beta-particles flux density in part./(cm 2 ·m...

  • Page 126

    125 table 3.3 – primary verification of main specifications tested specification name standardized values according to technical specifications actual value main relative error at measurement of photon- ionizing radiation der, with confidence probability of 0.95, % ) 10 ( 2 15 ) 10 ( h h , where ) (...

  • Page 127

    126 table 3.3 (continued) tested specification name standardized values according to technical specifications actual value main relative error at measurement of beta particles flux density, with confidence probability of 0.95 , % β β φ δφ 200 20 , where β φ is a numeric value of the measured surface...

  • Page 128: 4 Certificate of Acceptance

    127 4 certificate of acceptance the mks-05 “terra” dosimeter-radiometer of ВiСТ.412129.006-09 type with _______________________ serial number meets the ТУ У 33.2- 22362867-006-2001 ВІСТ.412129.006 ТУ technical requirements, is verified and accepted for use. Date of issue ______________________ stamp...

  • Page 129: 5 Packing Certificate

    128 5 packing certificate the mks-05 “terra” dosimeter-radiometer of ВiСТ.412129.006-09 type with _______________________ serial number is packed by the private enterprise “sppe “sparing-vist center” in accordance with the requirements specified in ТУ У 33.2-22362867-006-2001 ВІСТ.412129.006 ТУ. Dat...

  • Page 130: 6 Warranty

    129 6 warranty 6.1 the manufacturer guarantees the conformity of the dosimeter to the technical requirements provided that the customer observes the guidelines for its use, shipping and storage presented in the operating manual ВІСТ.412129.006-09 НЕ. 6.2 the warranty period of the dosimeter use shal...

  • Page 131: 7 Repair

    130 6.5 if the defect (according to the claim) is eliminated, the warranty period is prolonged for the time when the dosimeter was not used because of the detected defects. 6.6 the batteries failure is not a reason for claim after their warranty period is finished. 7 repair 7.1 in case of failure or...

  • Page 132

    131 7.2 all claims are registered in table 7.1. Table 7.1 date of failure claim summary action taken note 7.3 information about repair of the dosimeter is recorded in the table of appendix g of this om..

  • Page 133: 8 Storage

    132 8 storage 8.1 the dosimeters should be stored in a packing box in heated and ventilated storehouses with air-conditioning at the ambient temperature from + 5 to + 40 °c and relative humidity up to 80 % at + 25 °c temperature, non-condensing. The storehouse should be free of acids, gas, vapors of...

  • Page 134: 9 Shipping

    133 9 shipping 9.1 packed dosimeters may be shipped by any kinds of closed transport vehicles under the conditions with temperature limitation in the range of - 25 to + 55 оС, and according to rules and standards effective for each means of transport. 9.2 the dosimeters in shipping container should ...

  • Page 135: 10 Disposal

    134 10 disposal disposal of the dosimeter is performed in compliance with the general rules, i.E. Metals are recycled or melted, and plastic parts are dumped. Disposal of the dosimeter is not dangerous for service personnel, and is environmentally friendly..

  • Page 138

    137 appendix b figure b.1 – plot of specified statistical error versus photon-ionizing radiation der.

  • Page 139

    138 appendix b figure b.2 – plot of specified statistical error versus surface beta-particles flux density.

  • Page 140

    139 appendix c putting in prologed storage and removal from storage date of putting in prolonged storage storage method date of removal from prolonged storage name of the enterprise in charge of putting or removing from prolonged storage date, position and signature of the responsible person.

  • Page 141

    140 appendix d storage date of placing in storage of removing from storage storage conditions position, name and signature of the responsible person.

  • Page 142

    141 appendix e trouble record during use date and time of failure. Operating mode type (manifestation) of trouble cause of trouble, number of operation hours of the failed element action taken and claim note position, name and signature of the person responsible for solving the problem note.

  • Page 143

    142 appendix f periodic verification of key specifications tested specification date of measurement year 20 year 20 name value according to technical specifications actual value measured by (position, signature) actual value measured by (position, signature) 1 main relative error of the dosimeter at...

  • Page 144

    143 appendix f f-1 date of measurement year 20 year 20 year 20 actual value measured by (position, signature) actual value measured by (position, signature) actual value measured by (position, signature).

  • Page 145

    144 appendix f tested specification date of measurement year 20 year 20 name value according to technical specifications actual value measured by (position, signature) actual value measured by (position, signature) 2 main relative error of the dosimeter at photon-ionizing radiation de measurement wi...

  • Page 146

    145 appendix f f-2 date of measurement year 20 year 20 year 20 actual value measured by (position, signature) actual value measured by (position, signature) actual value measured by (position, signature).

  • Page 147

    146 appendix f tested specification date of measurement year 20 year 20 name value according to technical specifications actual value measured by (position, signature) actual value measured by (position, signature) 3 3. Main relative error at surface beta-particles flux density measurement with conf...

  • Page 148

    147 appendix f f-3 date of measurement year 20 year 20 year 20 actual value measured by (position, signature) actual value measured by (position, signature) actual value measured by (position, signature).

  • Page 149

    148 appendix g repair date name and type of the component part of the device reason for repair of arriving for repair of repair completion name of the repair organiza- tion number of operation hours before repair.

  • Page 150

    149 appendix g repair position, name and signature of the responsible person type of repair (mid- life, major, etc.) name of repair who performed repair who accepted after repair.

  • Page 151

    150 appendix h verification and inspection results date verification or inspection type verification or inspection result position, name and signature of the person responsible for inspection note.