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Hach sension 4 Instruction Manual

Manual is about: Laboratory pH/ISE Meter

Summary of sension 4

  • Page 1

    51775-18 laboratory ph/ise meter instruction manual © hach company, 1999. All rights reserved. Printed in the u.S.A. Te/dk 1/02 2ed.

  • Page 2: Trademarks Of Hach Company

    2 trademarks of hach company accugrow® accuvac® accuver™ accuvial™ add-a-test™ agritrak™ aluver® amver™ apa 6000™ aquachek™ aquatrend® bariver® bodtrak™ borotrace™ borover® c. Moore green™ ca 610™ calver® chromaver® colorquik® cooltrak® cuver® cyaniver® digesdahl® dithiver® dr. F. Fluent™ dr. H. Tue...

  • Page 3: Table of Contents

    3 table of contents certification ..................................................................................................................... 5 safety precautions ....................................................................................................... 9 specifications..........

  • Page 4: Table Of Contents,

    4 table of contents, continued 3.2.3 one-point calibration ............................................................................................. 33 3.3 ise calibration ................................................................................................................. 34 3.4 rev...

  • Page 5: Certification

    5 certification hach company certifies this instrument was tested thoroughly, inspected and found to meet its published specifications when it was shipped from the factory. The sens ion ™4 laboratory ph/ise meter has been tested and is certified as indicated to the following instrumentation standard...

  • Page 6: Certification, Continued

    6 certification, continued emissions: instrument tested with external 230v, 50 hz power supply. Per 89/336/eec emc: en 61326:1998 (electrical equipment for measurement, control, and laboratory use— emc requirements).Class b emission limits. Supporting test records byhewlett packard hardware test cen...

  • Page 7: Certification, Continued

    7 certification, continued (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Changes or modifications to this unit not expressly approved by the party responsible for compliance co...

  • Page 8

    8.

  • Page 9: Safety Precautions

    9 safety precautions section 2.2 on page 21 section 2.3 on page 21 section 2.4 on page 23 section 5.1 on page 45.

  • Page 10

    10

  • Page 11: Specifications

    11 specifications specification subject to change without notice. Ph mode range -2.00 to 19.99 resolution 0.001/0.01/0.1 (selectable) slope range 45 to 65 mv/decade at 25 °c ise mode range 0.000 to 19900 resolution auto-ranging millivolt mode range -2000 to 2000 mv resolution 0.1 mv accuracy ±0.2 mv...

  • Page 12: Specifications,

    12 specifications, continued environmental requirements: 0 to 50 °c at 85% non-condensing relative humidity. Enclosure is water resistant, chemical resistant, dust proof. Dimensions: 25.4 x 15 x 8.37 (10.15 x 6 x 3.35 in.).

  • Page 13: Danger

    13 danger handling chemical samples, standards, and reagents can be dangerous. Review the necessary material safety data sheets and become familiar with all safety procedures before handling any chemicals. Danger la manipulation des échantillons chimiques, étalons et réactifs peut être dangereuse. L...

  • Page 14

    14.

  • Page 15: Section 1

    15 section 1 introduction hach provides ph and ise meters for applications from ph measurements to accurate ion selective electrode work. This manual describes the operation and use of the hach sens ion ™4 portable ph/ise/mv/temperature meter (see figure 1). This meter features a custom digital lcd ...

  • Page 16: Section 1,

    16 section 1, continued 1.3 keypad description figure 1 illustrates the meter’s keypad. The description and function of each key are given in table 1. Figure 1 hach sens ion 4 meter.

  • Page 17: Section 1,

    17 section 1, continued table 1 keys and description key description exit/power on-off turns the instrument on; turns it off from a reading mode. Acts as a no or cancel key when the question mark icon is flashing. In setup mode, backs up one step toward the reading mode. Performs the following and r...

  • Page 18: Section 1,

    18 section 1, continued 1.4 display fields and icons the display has two screens. The upper screen displays measurements or standard values, operation mode, slope, sample/default temperature, ph or mv units, error codes, and indicates if the meter reading is stable. The lower screen displays keys th...

  • Page 19: Section 1,

    19 section 1, continued table 2 main display elements item no. Description 1 indicates meter is in standard addition mode. 2 (cal review) indicates meter is in calibration review mode. 3 used with ? To ask if user wants to store calibration, standard value, or sample value 4 indicates the meter is m...

  • Page 20: Section 1,

    20 section 1, continued 1.5 audible signals the meter will beep under certain conditions: • a non-functional key press is made (one beep) • when display lock is enabled and measurement stability is reached during reading mode (three beeps) • any time measurement stability is reached during calibrati...

  • Page 21: Section 2

    21 section 2 instrument setup 2.1 instrument description this sens ion ™4 laboratory ph/ise/mv meter is designed for laboratory use and operates on 115/230 vac power. Two channels are available for electrode connection. The meter measures from -2.0 to 19.99 ph units and the sample temperature. Displ...

  • Page 22: Section 2,

    22 section 2, continued pin-type connectors when using half-cells, connect reference electrodes with pin tip connectors by pushing the connector straight into the center reference input. Note: if using a combination electrode with a bnc or 5-pin connector, the reference pin-tip jack is not used. Fig...

  • Page 23: Section 2,

    23 section 2, continued 2.4 printer and computer connections the meter can send data to a computer or printer via the 9-pin serial port on the meter (see figure 3). The printer cable and computer cable are different. The printer cable is a 9-pin to 25-pin cable and the computer cable is a 9-pin to 9...

  • Page 24: Section 2,

    24 section 2, continued if a temperature probe is connected properly, the meter will display the current sample temperature and will not allow the temperature to be manually set. To manually set the temperature when a temperature probe is not used to supply the temperature for ph temperature compens...

  • Page 25: Section 3

    25 section 3 instrument operation 3.1 setup menu the sens ion ™4 laboratory ph/ise meter has a setup menu for each channel which allows the analyst to choose options for connector choice, display lock, temperature units, display resolution, automatic buffer recognition, time, date and others (see ta...

  • Page 26: Section 3,

    26 section 3, continued 1. From the reading mode, press setup . 2. The setup icon and the number 1 (flashing) will be displayed. Change the connector choice by pressing enter ; this toggles the selection between bnc and 5 pin . 3. When the desired option is selected, press exit to return to the read...

  • Page 27: Section 3,

    27 section 3, continued 3.1.4 selecting measurement resolution the meter can display ph measurement values to tenths (0.0), hundredths (0.00) or thousandths (0.000). The default is hundredths. The choice of resolution affects the stability criteria. 1. From the reading mode, press setup . 2. The set...

  • Page 28: Section 3,

    28 section 3, continued the default stability drift rate is 0.500 mv/min. Lower stability criteria (i.E., 0.300 mv/min) will require longer stabilization times, but the measurement will be more precise. Higher stability criteria will require shorter stabilization times, but measurements may be less ...

  • Page 29: Section 3,

    29 section 3, continued 5. Once a number key is pressed, the next digit place holder will flash. Continue to enter the desired numbers until all four places have a value. Press enter . 6. If a number entry error occurs, start over by pressing setup/ce . 7. When the desired value has been accepted, p...

  • Page 30: Section 3,

    30 section 3, continued 3.1.9 setting the year 1. From the reading mode, press setup . 2. The setup icon and the number 1 (flashing) will be displayed. Press the up arrow until the setup number is 9 . The display will show date and a year in the main display. 3. Change the year by pressing enter . T...

  • Page 31: Section 3,

    31 section 3, continued 3.2 calibrating the meter the sens ion 4 meter is designed to auto-recognize and calibrate on 1.68, 4.01, 6.86 or 7.00, 10.00, and 12.45 ph buffers. Calibrating with buffers that have ph values other than these requires a modified procedure. Each channel requires independent ...

  • Page 32: Section 3,

    32 section 3, continued accept the reading. This lets the operator control the acceptance point of the buffer. 7. When the reading has been accepted, the standard number will change to 2 . 8. Remove the probe from the first buffer and rinse with deionized water. Place the probe in the second buffer....

  • Page 33: Section 3,

    33 section 3, continued 5. Place the ph electrode in a buffer (starting with the lowest ph makes it easy to keep track). 6. Enter the ph value of the buffer using the number keys and press enter . A flashing underscore ( __ ) indicates where the next number will be placed. It is not necessary that a...

  • Page 34: Section 3,

    34 section 3, continued 4. When the reading has stabilized, the standard number will change to 2 . 5. Press exit. The adjusted offset value, the slope, and the store and ? Icons will appear. Verify the offset value (isopotential point) is within the range specified in the electrode manual. 6. To sav...

  • Page 35: Section 3,

    35 section 3, continued 8. To enter or change the standard’s concentration value, use the number keys, then press enter . A flashing underscore ( __) indicates where the next number will be placed. It is not necessary that all four places have a number entered in them. To retain the standard concent...

  • Page 36: Section 3,

    36 section 3, continued 17. To save the calibration and return to the reading mode, press enter . To exit the calibration without saving it and return to the reading mode, press exit . 18. After the calibration is stored, the meter is immediately ready to begin measuring samples. See section 3.6 on ...

  • Page 37: Section 3,

    37 section 3, continued 1. Select the desired channel. From the ph or ise reading mode, press the review key. To review the ph calibration, be sure the meter is in ph mode. To review the ise calibration, be sure the meter is in ise reading mode. View mv values by pressing the ph/mv or ise/mv key. 2....

  • Page 38: Section 3,

    38 section 3, continued 3.5 measuring sample ph see instructions in the electrode manual for more information and specific steps for using the electrode. 1. Place the electrode in the sample. Press read/enter . Stabilizing... Will be displayed, along with the sample temperature and the ph or mv read...

  • Page 39: Section 3,

    39 section 3, continued 3. Record or store the concentration or mv value. See section 4 on page 41 to store or recall data. 4. Remove the electrode from the sample, rinse with deionized water, and blot dry. Place the electrode in the next prepared sample. Repeat steps 1–3 for each sample. 5. When me...

  • Page 40: Section 3,

    40 section 3, continued 8. After stabilizing, the display will show standard , a flashing ? , ml , and a value for the standard volume. 9. To change the standard volume, use the numerical keypad. When entry is complete or no change is needed, press enter . 10. The display will show standard, a flash...

  • Page 41: Section 4

    41 section 4 storing and recalling data 4.1 storing ph/ise measurements the sens ion ™4 meter can store up to 99 measurement readings. Data must be stored to recall it later for review, downloading, or printing. Although the meter display will only show the temperature, data location, and ph/ise val...

  • Page 42: Section 4,

    42 section 4, continued 4.2 recalling stored data 1. To recall stored data, press the recall key while in the reading mode. The screen will display the most recently saved or recalled measurement data. 2. Use the arrow keys to scroll to the desired storage location. Press recall again to allow numbe...

  • Page 43: Section 4,

    43 section 4, continued 4.3.2 erasing all data points 1. To erase data, it must be recalled first. Press the recall key while in the reading mode. See section 4.2 for more information. 2. When the data point is displayed, press erase . 3. Press the up arrow. The instrument will show erase and all wi...

  • Page 44

    44.

  • Page 45: Section 5

    45 section 5 printing/transferring data 5.1 connecting to printers/computers 5.1.1 connecting with the rs232 cable the standard 9-pin rs232 connector on the meter connects with a 9-pin d-sub connector. A suitable cable is listed under optional apparatus page 57. The rs232 interface output is an 8-bi...

  • Page 46: Section 5,

    46 section 5, continued connect the rs232 cable to the meter by lining up the holes in the cable connector with the pins of the meter serial port. Gently and firmly push the cable into the meter. Then secure the connection by screwing in the screws on either side of the cable port. Connect the cable...

  • Page 47: Section 5,

    47 section 5, continued table 5 shows the proper pin connections for 9-pin computer cables. Using cables that do not match the pin information in the table may cause undesirable operation. Connect the rs232 cable to the meter by lining up the holes in the cable connector with the pins of the meter s...

  • Page 48: Section 5,

    48 section 5, continued • ibm pc/at or compatible with a 386sx processor (16 mhz or better) • 4 megabytes of ram • hard disk drive with 2 megabytes or more of free space • 3-1/2 inch, 1.44 megabyte floppy disk drive • vga graphics with 640 x 480 or higher resolution, 16 or more colors • mouse or oth...

  • Page 49: Section 5,

    49 section 5, continued 5.2.3 sending recalled data points 1. To transfer data, it must be recalled first. Press the recall key while in the reading mode. See section 4.2 on page 42 for more information. 2. When the desired sample data is displayed, press print . 3. The word print will be briefly di...

  • Page 50: Section 5,

    50 section 5, continued 5.2.4.1 printed data format printed data will have the following format: * this line will not be included unless print all is chosen. This calculation is included for some reporting regulations, but is not just an average of the ph readings. The calculation for the ph average...

  • Page 51: Section 5,

    51 section 5, continued table 6 sens ion 4 rs232 commands key command (upper or lower case) returns instrument id iid sens ion 4 xxxx (serialized part of serial number) exit key ext ok up arrow upa ok down arrow dow ok enter ent ok recall rec ok store sto ok erase era ok ise/mv ise ok ph/mv phm ok s...

  • Page 52

    52.

  • Page 53: Section 6

    53 section 6 troubleshooting 6.1 introduction correcting problem conditions with the sens ion electrochemical meters is limited to responding to the error message displayed. Other problems must be handled by a hach technician at a service center. Refer to repair service. Do not attempt to service th...

  • Page 54: Section 6,

    54 section 6, continued 6.3 error codes and errors errors and error codes indicate a functional problem with the meter and/or the electrode. Error codes numbers will appear in the temperature field along with other icons. Table 7 describes the possible error codes, errors, and some possible solution...

  • Page 55: General Information

    55 at hach company, customer service is an important part of every product we make. With that in mind, we have compiled the following information for your convenience. General information.

  • Page 56

    56.

  • Page 57: Replacement Parts

    57 replacement parts replacement reagents quantity required description per test unit cat. No. Buffer powder pillows: ph 4.01, color-coded red................................................... 1.......... 50/pkg..............22269-66 ph 7.00, color-coded yellow ........................................

  • Page 58: Ion

    58 replacement parts, continued optional apparatus (continued) description unit cat. No. Platinum series ph flat combination electrode, 5-pin connector..........Each ............. 51915-00 platinum series ph combination electrode, w/temp., 5-pin connector..Each ............. 51910-00 ph gel-filled e...

  • Page 59: How To Order

    59 how to order by telephone: by mail: 6:30 a.M. To 5:00 p.M. Mst hach company monday through friday p.O. Box 389 (800) 227-hach loveland, colorado 80539-0389 (800-227-4224) u.S.A. By fax: ordering information by e-mail: (970) 669-2932 orders@hach.Com information required technical and customer serv...

  • Page 60: Repair Service

    60 repair service.

  • Page 61: Warranty

    61 warranty hach warrants most products against defective materials or workmanship for at least one year from the date of shipment; longer warranties may apply to some items. Hach shall, at its option, replace or repair nonconforming products or refund all amounts paid by the buyer. This warranty ap...

  • Page 62

    Hach company world headquarters p.O. Box 389 loveland, colorado 80539-0389 telephone: (970) 669-3050 fax: (970) 669-2932 for technical assistance, price information and ordering: call 800-227-4224 contact the hach office or distributor serving you. Www.Hach.Com techhelp@hach.Com in the u.S.A. - outs...