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Hanna Instruments HI 98129

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About

Hanna Instruments HI 98129Hanna Instruments Hi 98129 Ph Conductivity TDS Temp Tester
Features & Applications This Hanna waterproof combo pH / EC / TDS / temperature tester offers high accuracy pH, EC/TDS and temperature measurements in a single tester! No more switching between meters for your routine measurements. The waterproof

Details
Brand: HANNA
Part Numbers: HI 98129, HI98129

 

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Hanna Instruments HI 98129

 

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Comments to date: 6. Page 1 of 1. Average Rating:
martin.stumpf 3:36am on Friday, October 29th, 2010 
As soon as I recieved this, I simply loaded the drivers, plugged it in, and it worked PERFECTLY. Pretty durable, too...
Wrimple 5:26am on Thursday, September 9th, 2010 
Fast Track Pro has all the resources and mobility of the Fast Track USB recording and even more capacity.
charlyzona 2:42am on Sunday, September 5th, 2010 
clarinet stand A well designed, well engineered product at a good price. Very stable, easy to fold and portable. Worked OK for me Installing to a Windows 7 (32 bit) PC - so I ignored the product CD and downloaded the beta Win 7 drivers. Good quality but... For a cheap desk top/piano top mic stand, this is great. The quality of construction is very sturdy and solid. Had to return this product Firstly, you must have access to the internet to unlock this item and you have to be computer competant to install.
eva.tokheim 11:53pm on Friday, September 3rd, 2010 
I received this multi-tool for free through a promotion, and I can say that it has exceeded my expectations for a free tool.
GrelliKost 12:13am on Monday, August 30th, 2010 
Torq Conectiv with Vinyl I just got the Torq software with control vinyl and all i can say is WOW.
fxlamare 5:28pm on Thursday, June 24th, 2010 
Set up is easy, be sure to check the m-audio website for the current drivers. IMPORTANT!

Comments posted on www.ps2netdrivers.net are solely the views and opinions of the people posting them and do not necessarily reflect the views or opinions of us.

 

Documents

doc0

Instruction Manual

HI 98129 HI 98130
pH/EC/TDS/Temperature with Only One Tester
Dear Customer, Thank you for choosing a Hanna product. This manual will provide you with the necessary information for a correct operation. Please read it carefully before using the meter. If you need additional technical information, do not hesitate to e-mail us at tech@hannainst.com. These instruments are in compliance with the directives.

FUNCTIONAL DESCRIPTION

SPECIFICATIONS
0.0 to 60.0C / 32.0 to 140.0F 0.00 to 14.00 pH 0 to 3999 S/cm (HI 98129) 0.00 to 20.00 mS/cm (HI 98130) 0 to 2000 ppm (HI 98129) 0.00 to 10.00 ppt (HI 98130) Resolution 0.1C / 0.1F 0.01 pH 1 S/cm ; 1 ppm (HI 98129) 0.01 mS/cm ; 0.01 ppt (HI 98130) Accuracy

(@20C/68F)

PRELIMINARY EXAMINATION
Remove the instrument from the packing material and examine it carefully. If any damage has occurred during shipment, immediately notify your Dealer or the nearest Hanna Customer Service Center. Each meter is supplied with: HI 73127 pH electrode HI 73128 electrode removal tool batteries (4 x 1.5V) and instructions Note: Conserve all packing material until the instrument has been observed to function correctly. Any defective item must be returned in its original packing.
0.5C / 1F 0.05 pH 2% f.s. (EC/TDS) 0.5C / 1F 0.02 pH 2% f.s. (EC/TDS) automatic, with =0.0 to 2.4%/C (EC/TDS) 0 to 50C (32 to 122F); RH 100% 0.45 to 1.00 (CONV) automatic, 1 or 2 point with 2 sets of memorized buffers (pH 4.01/7.01/ 10.01 or 4.01/6.86/9.18) for pH; automatic, at 1 point for EC/TDS
Typical EMC Deviation Temperature Compensation Environment TDS Factor Calibration

www.hannainst.com

US DESIGN PATENT D462,024
1. 2. 3. 4. 5. 6. 7. Battery compartment Liquid Crystal Display (LCD) ON/OFF/MODE button HI 73127 pH electrode Temperature sensor (behind) EC/TDS probe
EC/TDS Cal.solutions HI 98129: HI7031 (1413 S/cm) HI7032 (1382 ppm; CONV=0.5) HI70442 (1500 ppm; CONV=0.7) HI 98130: HI7030 (12.88 mS/cm) HI70038 (6.44 ppt; CONV=0.5 or 9.02 ppt; CONV=0.7) Electrode (included) Battery Type/Life Auto-off Dimensions Weight HI 73127 pH electrode 4 x 1.5V with BEPS/approx. 100 hours after 8 minutes of non-use 163 x 40 x 26 mm (6.4 x 1.6 x 1.0) 100 g (3.5 oz.)

WARRANTY

HI 98129 and HI 98130 are warranted for one year against defects in workmanship and materials when used for their intended purpose and maintained according to instructions. The electrode is warranted for a period of six months. This warranty is limited to repair or replacement free of charge. Damages due to accident, misuse, tampering or lack of prescribed maintenance are not covered. If service is required, contact the dealer from whom you purchased the instrument. If under warranty, report the model number, date of purchase, serial number and the nature of the failure. If the repair is not covered by the warranty, you will be notified of the charges incurred. If the instrument is to be returned to Hanna Instruments, first obtain a Returned Goods Authorization Number from the Customer Service department and then send it with shipment costs prepaid. When shipping any instrument, make sure it is properly packaged for complete protection. All rights are reserved. Reproduction in whole or in part is prohibited without the written consent of the copyright owner, Hanna Instruments.

GENERAL DESCRIPTION

HI 98129 and HI 98130 are waterproof pH/EC/ TDS/temperature meters. The housing has been completely sealed against humidity and designed to float. All pH and EC/TDS readings are automatically temperature compensated (ATC), and temperature values can be displayed in C or F units. For EC/TDS readings, the EC/TDS conversion factor (CONV) is selectable by the user, as well as the temperature compensation coefficient (BETA). The meters can be calibrated at one or two points for pH (with auto-buffer recognition and against five memorized buffer values), and at one point for EC. Measurements are highly accurate with a unique stability indicator right on the LCD. These meters are also provided with battery level indication at start-up, and with a low battery symbol which warns the user when the batteries need to be replaced. In addition the Battery Error Prevention System (BEPS) avoids erroneous reading caused by low voltage level by turning the meter off. The HI 73127 pH electrode, supplied with the meter, is interchangeable and can be easily replaced by the user. The stainless steel encapsulated temperature sensor facilitates faster and more accurate temperature measurement and compensation.

SET/HOLD button

Hanna Instruments reserves the right to modify the design, construction and appearance of its products without advance notice.
1. Automatic temperature compensation indicator 2. Stability indicator 3. Battery life percentage indicator 4. Low battery indicator 5. Secondary display 6. Primary display 7. Measuring units for primary display
Recommendations for Users Before using this product, make sure that it is entirely suitable for the environment in which it is used. Operation of this instrument in residential areas could cause unacceptable interferences to radio and TV equipment. The glass bulb at the end of the electrode is sensitive to electrostatic discharges. Avoid touching this glass bulb at all times. Any variation introduced by the user to the supplied equipment may degrade the instruments EMC performance. To avoid electrical shock, do not use this instrument when voltages at the measurement surface exceed 24 Vac or 60 Vdc. To avoid damages or burns, do not perform any measurement in microwave ovens. IST98129R4 07/05

OPERATIONAL GUIDE

To turn the meter on and to check battery status Press and hold the /MODE button for 2-3 seconds. All the used segments on the LCD will be visible for a few seconds, followed by a percent indication of the remaining battery life (Eg. % 100 BATT). To change the temperature unit To change the temperature unit (from C to F), from measurement mode, press and hold the /MODE button until TEMP and the current temperature unit are displayed on the lower LCD (E.g. TEMP C). Use the SET/HOLD button to change the temperature unit, and then press the /MODE button twice to return to normal measuring mode. To freeze the display Press the SET/HOLD button for 2-3 seconds until HOLD appears on the secondary display. Press either button to return to normal mode. To turn the meter off Press the /MODE button while in normal measurement mode. OFF will appear on the lower part of the display. Release the button. Notes: Before taking any measurement make sure the meter has been calibrated. To clear a previous calibration, press the /MODE button after entering the calibration mode. The lower LCD will display ESC for 1 second and the meter will return to normal measurement mode. The CAL symbol on the LCD will disappear. The meter will be reset to the default calibration. If measurements are taken in different samples successively, rinse the probe thoroughly to eliminate cross-contamination; and after cleaning, rinse the probe with some of the sample to be measured.

Press the SET/HOLD button to change the buffer value. Press the /MODE button to return to the normal measuring mode. Calibration procedure From measurement mode, press and hold the / MODE button until CAL is displayed on the lower LCD. Release the button. The LCD will display pH 7.01 USE or pH 6.86 USE (if you have selected the NIST buffer set). The CAL tag blinks on the LCD. For a single-point pH calibration, place the electrode in any buffer from the selected buffer set (eg. pH 7.01 or pH 4.01 or pH 10.01). The meter will recognize the buffer value automatically. If using pH 4.01 or pH 10.01, the meter will display OK for 1 second and then return to the normal measuring mode. If using pH 7.01, after recognition of the buffer the meter will ask for pH 4.01 as second calibration point. Press the /MODE button to return to measurement mode or, if desired, proceed with the 2-point calibration as explained below. Note: It is always recommended to carry out a twopoint calibration for better accuracy. For a two-point pH calibration, place the electrode in pH 7.01 (or 6.86 if you have selected the NIST buffer set). The meter will recognize the buffer value and then display pH 4.01 USE. Rinse the electrode thoroughly to eliminate crosscontamination. Place the electrode in the second buffer value (pH 4.01 or 10.01, or, if using NIST, pH 4.01 or 9.18). When the second buffer is recognized, the LCD will display OK for 1 second and the meter will return to the normal measuring mode. The CAL symbol on the LCD means that the meter is calibrated.
To change the EC/TDS conversion factor (CONV) and the temperature compensation coefficient (BETA) From measurement mode, press and hold the / MODE button until TEMP and the current temperature unit are displayed on the lower LCD. Eg. TEMP C. Press the /MODE button again to show the current conversion factor. Eg. 0.50 CONV. Press the SET/HOLD button to change the conversion factor. Press the /MODE button to show the current temperature compensation coefficient. Eg. 2.1 BETA. Press the SET/HOLD button to change the temperature compensation coefficient. Press the /MODE button to return to the normal measuring mode. Calibration procedure From measurement mode, press and hold the / MODE button until CAL is displayed on the lower LCD. Release the button and immerse the probe in the proper calibration solution: HI7031 (1413 S/cm) for HI98129 and HI7030 (12.88 mS/cm) for HI98130. Once the calibration has been automatically performed, the LCD will display OK for 1 second and the meter will return to normal measurement mode. Since there is a known relathionship between EC and TDS readings, it is not necessary to calibrate the meter in TDS The CAL symbol on the LCD means that the meter is calibrated.

Pull the electrode out by using the other side of the tool.
Insert a new pH electrode following the above instructions in reverse order.

BATTERY REPLACEMENT

The meter displays the remaining battery percentage every time it is switched on. When the battery level is below 5%, the symbol on the bottom left of the LCD lights up to indicate a low battery condition. The batteries should be replaced soon. If the battery level is low enough to cause erroneous readings, the meter shows 0% and the Battery Error Prevention System (BEPS) will automatically turn the meter off. To change the batteries, remove the 4 screws located on the top of the meter.

pH ELECTRODE MAINTENANCE

When not in use, rinse the electrode with water to minimize contamination and store it with a few drops of storage (HI 70300) solution in the protective cap after use. DO NOT USE DISTILLED OR DEIONIZED WATER FOR STORAGE PURPOSES. If the electrode has been left dry, soak in storage solution for at least one hour to reactivate it. To prolong the life of the pH electrode, it is recommended to clean it monthly by immersing it in the HI 7061 cleaning solution for half an hour. Afterwards, rinse it thoroughly with tap water and recalibrate the meter. The pH electrode can be easily replaced by using the supplied tool (HI 73128). Insert the tool into the electrode cavity as shown below.
Once the top has been removed, carefully replace the 4 batteries located in the compartment while paying attention to their polarity. Replace the top, making sure that the gasket is properly seated in place, and tighten the screws to ensure a watertight seal.
pH MEASUREMENTS & CALIBRATION
Taking measurements Select the pH mode with the SET/HOLD button. Submerge the electrode in the solution to be tested. The measurements should be taken when the stability symbol on the top left of the LCD disappears. The pH value automatically compensated for temperature is shown on the primary LCD while the secondary LCD shows the temperature of the sample. Calibration buffer set From measurement mode, press and hold / MODE until TEMP and the current temperature unit are displayed on the lower LCD (E.g. TEMP C). Press the /MODE button again to show the current buffer set: pH 7.01 BUFF (for pH 4.01/ 7.01/10.01) or pH 6.86 BUFF (for NIST set, pH 4.01/6.86/9.18).
EC/TDS MEASUREMENTS & CALIBRATION
Taking measurements Select either EC or TDS mode with the SET/HOLD button. Submerge the probe in the solution to be tested. Use plastic beakers to minimize any electromagnetic interferences. The measurements should be taken when the stability symbol on the top left of the LCD disappears. The EC (or TDS) value automatically compensated for temperature is shown on the primary LCD while the secondary LCD shows the temperature of the sample.

ACCESSORIES

HI 73127 HI 73128 HI 70004P HI 70006P HI 70007P HI 70009P HI 70010P HI 77400P HI 7004M HI 7006M HI 7007M HI 7009M HI 7010M HI 70030P HI 70031P HI 70032P HI 70038P HI 70442P HI 7061M HI 70300M Replaceable pH electrode Electrode removal tool pH 4.01 solution, 20 mL sachet (25 pcs) pH 6.86 solution, 20 mL sachet (25 pcs) pH 7.01 solution, 20 mL sachet (25 pcs) pH 9.18 solution, 20 mL sachet (25 pcs) pH 10.01 solution, 20 mL sachet (25 pcs) pH 4 & 7 solutions, 20 mL sachet (5 each) pH 4.01 solution, 230 mL bottle pH 6.86 solution, 230 mL bottle pH 7.01 solution, 230 mL bottle pH 9.18 solution, 230 mL bottle pH 10.01 solution, 230 mL bottle 12.88 mS/cm solution, 20 mL (25 pcs) 1413 S/cm solution, 20 mL (25 pcs) 1382 ppm solution, 20 mL (25 pcs) 6.44 ppt solution, 20 mL (25 pcs) 1500 ppm solution, 20 mL (25 pcs) Electrode cleaning solution, 230 mL bottle Electrode storage solution, 230 mL bottle
Rotate the electrode counterclockwise.

doc1

Instruction Manual

HI 98129 - HI 98130
Waterproof pH, EC/TDS & temperature meters
Dear Customer, Thank you for choosing a Hanna product. This manual will provide you with the necessary information for a correct operation. Please read it carefully before using the meter. If you need additional technical information, do not hesitate to e-mail us at tech@hannainst.com. These instruments are in compliance with the directives.

FUNCTIONAL DESCRIPTION

SPECIFICATIONS
Range Temperature: HI 98129 0.0 to 60.0C or 32.0 to 140.0F pH: 0.00 to 14.00 EC: 0 to 3999 S/cm TDS: 0 to 2000 ppm HI 98130 pH: 0.00 to 14.00 EC: 0.00 to 20.00 mS/cm Resolution HI 98129 HI 98130 Accuracy (@20C/68F) TDS: 0.00 to 10.00 ppt 0.1C or 0.1F 0.01 pH; 1 S/cm ; 1 ppm 0.01 pH, 0.01 mS/cm ; 0.01 ppt Temperature 0.5C or 1F EC/TDS pH pH EC/TDS Temp.Compensation Environment Calibration pH: Automatic EC/TDS: with =0.0 to 2.4%/C 0 to 50C (32 to 122F); RH 100% pH: at 1 or 2 points with 2 sets of memo rized buffers (pH 4.01/7.01/10.01 or pH 4.01/6.86/9.18) EC/TDS: automatic, at 1 point EC/TDS Calibration Solutions HI 98129 HI7031 (1413 S/cm) HI7032 (1382 ppm; CONV=0.5) HI70442 (1500 ppm; CONV=0.7) HI 98130 HI7030 (12.88 mS/cm) HI70038 (6.44 ppt; CONV=0.5 or 9.02 ppt; CONV=0.7) Electrode BatteryType/Life Auto-off Dimensions Weight HI 73127 pH electrode (included included) included 4 x 1.5V with BEPS / typical 100 hours After 8 min. 163 x 40 x 26 mm (6.4 x 1.6 x 1.0) 85 g (3.0 oz) EC/TDS Conversion Factor 0.45 to 1.00 (CONV) 2% f.s. 0.01 0.02 pH 2% f.s.

PRELIMINARY EXAMINATION

Remove the instrument from the packing material and examine it carefully. If any damage has occurred during shipment, immediately notify your Dealer or the nearest Hanna Customer Service Center. The meters are supplied with: 4 x 1.5V batteries HI 73127 pH electrode HI 73128 Tool to remove the pH electrode Note: Conserve all packing material until the instrument has been observed to function correctly. Any defective item must be returned in its original packing. www.hannainst.com
This Instrument is in Compliance with CE Directives
Typical EMC Deviation Temperature 0.5C or 1F

WARRANTY

HI 98129 and HI 98130 are warranted for one year against defects in workmanship and materials when used for their intended purpose and maintained according to instructions. The electrode is warranted for a period of six months. This warranty is limited to repair or replacement free of charge. Damages due to accident, misuse, tampering or lack of prescribed maintenance are not covered. If service is required, contact the dealer from whom you purchased the instrument. If under warranty, report the model number, date of purchase, serial number and the nature of the failure. If the repair is not covered by the warranty, you will be notified of the charges incurred. If the instrument is to be returned to Hanna Instruments, first obtain a Returned Goods Authorization Number from the Customer Service department and then send it with shipment costs prepaid. When shipping any instrument, make sure it is properly packaged for complete protection. To validate your warranty, fill out and return the enclosed warranty card within 14 days from the date of purchase. All rights are reserved. Reproduction in whole or in part is prohibited without the written consent of the copyright owner, Hanna Instruments Inc., Woonsocket, Rhode Island, 02895 , USA.
Hanna Instruments reserves the right to modify the design, construction and appearance of its products without advance notice.

GENERAL DESCRIPTION

HI 98129 and HI 98130 are waterproof pH, EC/TDS and temperature meters. The housing has been completely sealed against humidity and designed to float. All pH and EC/TDS readings are automatically temperature compensated (ATC), and temperature values can be displayed in C or F units. For EC/TDS readings, the EC/TDS conversion factor (CONV) is selectable by the user, as well as the temperature compensation coefficient (BETA). The meters can be calibrated at one or two points for pH (with auto-buffer recognition and against five memorized buffer values), and at one point for EC/ TDS. Measurements are highly accurate with a unique stability indicator right on the LCD. A low battery symbol warns the user when the batteries are to be replaced. In addition the Battery Error Prevention System (BEPS) avoids erroneous reading caused by low voltage level by turning the meter off. The HI 73127 pH electrode, supplied with the meters, is interchangeable and can be easily replaced by the user. The stainless steel encapsulated temperature sensor facilitates faster and more accurate temperature measurement and compensation.

1. Battery compartment 2. Liquid Crystal Display (LCD) 3. Stability indicator 4. Low battery indicator 5. ON/OFF/MODE button 6. HI 73127 pH electrode 7. Temperature sensor 8. EC/TDS probe 9. SET/HOLD button 10. Secondary LCD 11. Primary LCD
Recommendations for Users Before using this product, make sure that it is entirely suitable for the environment in which it is used. Operation of this instrument in residential areas could cause unacceptable interferences to radio and TV equipment. The glass bulb at the end of the electrode is sensitive to electrostatic discharges. Avoid touching this glass bulb at all times. During operation, ESD wrist straps should be worn to avoid possible damage to the electrode by electrostatic discharges. Any variation introduced by the user to the supplied equipment may degrade the instruments EMC performance. To avoid electrical shock, do not use this instrument when voltages at the measurement surface exceed 24 VAC or 60 VDC. To avoid damages or burns, do not perform any measurement in microwave ovens. ISTR98129R2 01/02

OPERATIONAL GUIDE

To turn the meter on and to check battery status Press and hold the MODE button for 2-3 seconds. All the used segments on the LCD will be visible for a few seconds, followed by a percent indication of the remaining battery life. Eg. % 100 BATT. To change the temperature unit To change the temperature unit (from C to F), from measurement mode, press and hold the MODE button until TEMP and the current temperature unit are displayed on the lower LCD. Eg. TEMP C. Use the SET/HOLD button to change the temperature unit, and then press MODE button twice to return to normal measurement mode. To freeze the display Press the SET/HOLD button for 2-3 seconds until HOLD appears on the secondary display. Press either button to return to normal mode. To turn the meter off Press the MODE button while in normal measurement mode. OFF will appear on the lower part of the display. Release the button. Notes: Notes Before taking any measurement make sure the meter has been calibrated. To clear a previous calibration, press the MODE button after entering the calibration mode. The lower LCD will display ESC for 1 second and the meter will return to normal measurement mode. The CAL symbol on the LCD will disappear. The meter will be reset to the default calibration. If measurements are taken in different samples successively, rinse the probe thoroughly to eliminate cross-contamination; and after cleaning, rinse the probe with some of the sample to be measured.
bration) or pH 6.86 BUFF (for NIST 4.01/6.86/9.18 calibration). Press the SET/HOLD button to change the buffer value. Press the MODE button to return to normal measuring mode. Calibration procedure From measurement mode, press and hold the MODE button until CAL is displayed on the lower LCD. Release the button. The LCD will display pH 7.01 USE or pH 6.86 USE (if you have selected the NIST buffer set). The CAL tag blinks on the LCD. For a single-point pH calibration, place the electrode in any buffer from the selected buffer set (eg. pH 7.01 or pH 4.01 or pH 10.01). The meter will recognize the buffer value automatically. If using pH 4.01 or pH 10.01, the meter will display OK for 1 second and then return to measurement mode. If using pH 7.01, after recognition of the buffer the meter will ask for pH 4.01 as second calibration point. Press the MODE button to return to measurement mode or, if desired, proceed with the 2-point calibration as explained below. Note: Note It is always recommended to carry out a twopoint calibration for better accuracy. For a two-point pH calibration, place the electrode in pH 7.01 (or 6.86 if you have selected the NIST buffer set). The meter will recognize the buffer value and then display pH 4.01 USE. Rinse the electrode thoroughly to eliminate crosscontamination. Place the electrode in the second buffer value (pH 4.01 or 10.01, or, if using NIST, pH 4.01 or 9.18). When the second buffer is recognized, the LCD will display OK for 1 second and the meter will return to normal measurement mode. The CAL symbol on the LCD means that the meter is calibrated.

To change the EC/TDS conversion factor (CONV) and the temperature compensation coefficient (BETA) From measurement mode, press and hold the MODE button until TEMP and the current temperature unit are displayed on the lower LCD. Eg. TEMP C. Press the MODE button again to show the current conversion factor. Eg. 0.50 CONV. Press the SET/HOLD button to change the conversion factor. Press the MODE button to show the current temperature compensation coefficient. Eg. 2.1 BETA. Press the SET/HOLD button to change the temperature compensation coefficient. Press the MODE button to return to normal measuring mode. Calibration procedure From measurement mode, press and hold the MODE button until CAL is displayed on the lower LCD. Release the button and immerse the probe in the proper calibration solution: HI7031 (1413 S/cm) for HI98129 and HI7030 (12.88 mS/cm) for HI98130. Once the calibration has been automatically performed, the LCD will display OK for 1 second and the meter will return to normal measurement mode. Since there is a known relathionship between EC and TDS readings, it is not necessary to calibrate the meter in TDS The CAL symbol on the LCD means that the meter is calibrated.
Remove the probe by rotating it counterclockwise and then pulling it out.
Insert a new pH electrode following the above instructions in reverse order.

BATTERY REPLACEMENT

The meter displays the remaining battery percentage every time it is switched on. When the battery level is below 5%, the - + symbol on the bottom left of the LCD lights up to indicate a low battery condition. The batteries must be immediately replaced. If however the battery level is so low as to cause erroneous reading, the Battery Error Prevention System (BEPS) will automatically turn the meter off. To change the batteries, remove the 4 screws located on the top of the meter.

pH ELECTRODE MAINTENANCE

When not in use, rinse the electrode with water to minimize contamination and store it with a few drops of storage (HI 70300) or pH 7 (HI 7007) solution in the protective cap after use. DO NOT USE DISTILLED OR DEIONIZED WATER FOR STORAGE PURPOSES. If the electrode has been left dry, soak in a storage or pH 7 solution for at least one hour to reactivate it. To prolong the life of the pH electrode, it is recommended to clean it monthly by immersing it in the HI 7061 cleaning solution for half an hour. Afterwards, rinse it thoroughly with tap water and recalibrate the meter. The pH electrode can be easily replaced by using the supplied tool (HI 73128). Insert the tool into the probe cavity as shown below.

Once the top has been removed, carefully replace the 4 batteries located in the compartment while paying attention to their polarity. Replace the top, making sure that the gasket is properly seated in place, and tighten the screws.

ACCESSORIES

HI 73127 HI 73128 HI 70004P HI 70006P HI 70007P HI 70009P HI 70010P HI 77400P HI 7004M HI 7006M HI 7007M HI 7009M HI 7010M HI 70030P HI 70031P HI 70032P HI 70038P HI 70442P HI 7061M HI 70300M Replaceable pH electrode Tool to remove the electrode pH 4.01 solution, 20 mL sachet (25 pcs) pH 6.86 solution, 20 mL sachet (25 pcs) pH 7.01 solution, 20 mL sachet (25 pcs) pH 9.18 solution, 20 mL sachet (25 pcs) pH 10.01 solution, 20 mL sachet (25 pcs) pH 4 & 7 solutions, 20 mL sachet (5 each) pH 4.01 solution, 230 mL bottle pH 6.86 solution, 230 mL bottle pH 7.01 solution, 230 mL bottle pH 9.18 solution, 230 mL bottle pH 10.01 solution, 230 mL bottle 12.88 mS/cm @25C calibration solution, 20 mL sachet (25 pcs) 1413 S/cm @25C calibration solution, 20 mL sachet (25 pcs) 1382 ppm @25C calibration solution, 20 mL sachet (25 pcs) 6.44 ppt @25C calibration solution, 20 mL sachet (25 pcs) 1500 ppm @25C calibration solution, 20 mL sachet (25 pcs) Electrode cleaning solution, 230 mL bottle Electrode storage solution, 230 mL bottle
pH MEASUREMENTS & CALIBRATION
Taking measurements Select the pH mode with the SET/HOLD button. Submerge the electrode in the solution to be tested. The measurements should be taken when the stability symbol on the top left of the LCD disappears. The pH value automatically compensated for temperature is shown on the primary LCD while the secondary LCD shows the temperature of the sample. Calibration buffer set From measurement mode, press and hold the MODE button until TEMP and the current temperature unit are displayed on the lower LCD. Eg. TEMP C. Press the MODE button again to show the current buffer set: pH 7.01 BUFF (for 4.01/7.01/10.01 cali-
EC/TDS MEASUREMENTS & CALIBRATION
Taking measurements Select either EC or TDS mode with the SET/HOLD button. Submerge the probe in the solution to be tested. Use plastic beakers to minimize any electromagnetic interferences. The measurements should be taken when the stability symbol on the top left of the LCD disappears. The EC (or TDS) value automatically compensated for temperature is shown on the primary LCD while the secondary LCD shows the temperature of the sample.

 

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