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RKI Instruments GP-01 Operator's Manual

Manual is about: Combustible Gas Monitor

Summary of GP-01

  • Page 1

    Model gp-01 combustible gas monitor operator’s manual part number: 71-0083rk revision: c released: 1/17/05 rki instruments, inc. 33248 central ave. Union city , ca 945 87 phone: 800-754-5165 fax: 510-441-5650

  • Page 2: Warranty

    2 • warranty model gp-01 operator’s manual warranty rki instruments, inc., warrants the model gp-01 single lel gas monitor sold by us to be free from defects in materials, workmanship, and performance for a period of two (2) years from the date of shipment from rki instruments, inc. This includes th...

  • Page 3: Table of Contents

    Model gp-01 operator’s manual table of contents • 3 table of contents introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

  • Page 4

    4 • table of contents model gp-01 operator’s manual maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 r...

  • Page 5: Introduction

    Model gp-01 operator’s manual introduction • 5 introduction using an advanced microprocessor controlled detection system, the model gp-01 single lel gas monitor detects the presence of combustible gas (e.G., methane, ch 4 ) as a percentage of lel (lower explosive limit). The model gp-01’s compact si...

  • Page 6: Specifications

    6 • specifications model gp-01 operator’s manual specifications table 1: model gp-01 specifications target gas combustible gas, methane (ch 4 ) calibration standard detection range 0-100% lel (1% lel increments) detection principle catalytic combustion method sampling type diffusion response time t9...

  • Page 7: Description

    Model gp-01 operator’s manual description • 7 description this section describes the components of the model gp-01. These components include the gp-01’s protective rubber boots, case, membrane retainer and filter disks, sensor retainer, sensor, lcd, control buttons, printed circuit boards, alarm lig...

  • Page 8

    8 • description model gp-01 operator’s manual protective rubber boots a protective rubber boot is installed over each end of the gp-01. The sensor end boot fits over the sensor cover end of the gp-01 and the battery end boot fits over the battery cover end of the gp-01. If you have a ni-cad battery ...

  • Page 9

    Model gp-01 operator’s manual description • 9 alligator and belt clips the gp-01 is available with two types of clips, the alligator clip and the belt clip. Both are illustrated in figure 2 below. The alligator clip can be used to attach the gp-01 to clothing or a belt. Teeth in the clip’s jaws prev...

  • Page 10

    10 • description model gp-01 operator’s manual they turn dark brown. Frequency of replacement depends on how often the model gp-01 is exposed to h 2 s and on the concentration of h 2 s in the environment. If installed, check the condition of the h 2 s scrubber filter disks every three months. Note: ...

  • Page 11

    Model gp-01 operator’s manual description • 11 lcd the lcd is visible through the front of the case. When the gp-01 is in measuring mode, the target gas concentration, battery condition, and alarm indications are displayed on the lcd. Various other items are displayed when the lcd is in other modes,...

  • Page 12

    12 • description model gp-01 operator’s manual note: the printed circuit boards contain no user serviceable parts. Alarm lights the model gp-01 has two red led alarm lights. They alert you to combustible gas, low battery, and sensor failure alarms. The smaller of the two lights is square, has a fros...

  • Page 13: Start Up

    Model gp-01 operator’s manual start up • 13 start up this section explains how to start up the model gp-01 and to get it ready for operation. Caution: before each day’s usage sensitivity must be tested on a known concentration of the combustible target gas, typically methane, equivalent to 25 - 50% ...

  • Page 14: Operation

    14 • operation model gp-01 operator’s manual turning off the model gp-01 1. Press and hold the power/mode button for about five seconds to turn off the unit. The buzzer will sound while the power/mode button is being pressed before the unit turns off. 2. Release the button when the lcd is blank. The...

  • Page 15

    Model gp-01 operator’s manual operation • 15 note: the peak gas reading is cleared automatically when the model gp-01 is turned off. 1. The unit must be in measuring mode. The current gas concentration should be displayed on the lcd. 2. Press and release the power/mode button to enter peak gas displ...

  • Page 16

    16 • operation model gp-01 operator’s manual • the gp-01 provides the combustible sensor with some protection against exposure to high levels of combustible gas. It does this by turning off the sensor power temporarily when it determines that an over scale (more than 100% lel) concentration of combu...

  • Page 17

    Model gp-01 operator’s manual operation • 17 alarms this section covers alarm indications. It also tells you how to reset the model gp-01 after an alarm has occurred and how to respond to an alarm condition. Alarm indications the model gp-01 will sound an alarm, flash its alarm lights, and vibrate w...

  • Page 18

    18 • operation model gp-01 operator’s manual resetting gas alarms to reset a gas alarm, press the power/mode button after the gas reading falls below the low alarm point. Note: if the gas concentration has returned to normal or has fallen below the low alarm point, the alarm indications will continu...

  • Page 19

    Model gp-01 operator’s manual operation • 19 2. Reset the alarm by pressing and releasing the power/mode button after the alarm condition has cleared. 3. Calibrate the model gp-01 as described in the calibration section of this manual. 4. If the over range condition continues, you may need to replac...

  • Page 20: Alarm Points

    20 • alarm points model gp-01 operator’s manual alarm points the model gp-01 allows you to display and set the alarm points. There is a low alarm point and a high alarm point. Both are rising alarms, meaning that the alarm condition is triggered when the gas concentration rises to the alarm point. T...

  • Page 21

    Model gp-01 operator’s manual alarm points • 21 quick succession increases the low alarm point one number at a time. Pressing and holding the air button increases the low alarm point by ten percentage points at a time. Note: if you pass the desired alarm point setting, continue increasing the alarm ...

  • Page 22: Calibration

    22 • calibration model gp-01 operator’s manual calibration this section covers the calibration of the model gp-01. Setting the fresh air reading is described first followed by setting the span reading. You are also told what is needed to complete the task and how to assemble the calibration kit. War...

  • Page 23

    Model gp-01 operator’s manual calibration • 23 • you will need a gas cylinder with an appropriate concentration of the target gas. The model gp-01’s calibration value must match the gas concentration in the calibration cylinder, otherwise the calibration will not be accurate. Caution: do not use a g...

  • Page 24

    24 • calibration model gp-01 operator’s manual if you want to cancel the calibration while in span adjustment mode, press and hold the air key for 3 seconds and the unit will not make any span adjustments and begin its startup sequence. Note: if one of the control buttons is not pressed within 10 mi...

  • Page 25: Maintenance

    Model gp-01 operator’s manual maintenance • 25 maintenance this section describes troubleshooting procedures for the model gp-01. It also describes how to change or charge the model gp-01’s batteries as well as how to replace the unit’s gas sensor and filter disks. Warning: rki instruments, inc. Rec...

  • Page 26

    26 • maintenance model gp-01 operator’s manual replacing or charging the batteries warning: to prevent ignition of a hazardous atmosphere, batteries must only be changed or charged in an area known to be nonhazardous. Replace or charge the batteries when the battery icon indicates that the unit is i...

  • Page 27

    Model gp-01 operator’s manual maintenance • 27 to replace the alkaline batteries or ni-cad battery pack note: the ni-cad battery pack will have a typical service life of 500 charging cycles minimum before it needs replacement. 1. Verify that the model gp-01 is off. 2. Remove the battery end protecti...

  • Page 28

    28 • maintenance model gp-01 operator’s manual 5. When a full charge has been reached, approximately 40 minutes, the red led on the charging station will turn off. Remove the model gp-01 from the charging station and unplug the charging station’s power cord from the ac outlet. To recharge the ni-cad...

  • Page 29

    Model gp-01 operator’s manual maintenance • 29 3. When a full charge has been reached, approximately 40 minutes, the red led on the charging station will turn off. Remove the battery pack from the charging station and unplug the charging station’s power cord from the ac outlet. Replacing the combust...

  • Page 30

    30 • maintenance model gp-01 operator’s manual 4. Carefully remove the old sensor from the sensor socket. Note: note the orientation of the old sensor before you remove it. 5. Carefully insert the replacement sensor in the socket. Make sure the sensor face with the yellow colored ring is facing up a...

  • Page 31

    Model gp-01 operator’s manual maintenance • 31 3. Rotate the membrane retainer about one-quarter turn counterclockwise to remove it from the sensor retainer (the top of the unit). 4. Carefully remove the old filter or filters from the recess in the senor retainer. Note: install the new sensor filter...

  • Page 32: Parts List

    32 • parts list model gp-01 operator’s manual parts list table 7 lists replacement parts and accessories for the model gp-01. Table 7: parts list part number description 06-1248rk calibration kit tubing (specify length in feet) 07-6009rk gasket for battery cover 10-1099rk screw, m2x 4mm pan head phi...

  • Page 33

    Model gp-01 operator’s manual parts list • 33 81-1003rk regulator, fixed flow, 0.5 lpm, for 17/34 liter steel cylinder 81-1004rk regulator, fixed flow, 0.5 lpm, for 103 liter steel cylinder 81-1104rk calibration adapter for gp-01 & gaswatch 2 81-gp01-lv calibration kit, methane lel, 34 liter nc-6264...