LLG LLG-pH Pen 6.263 690 Operation Manual Download Page 3

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To install the batteries:

Turn off the meter.

Loose the battery cover in clockwise

direction by coin (DON’T discard the

black washer!)

Replace the old batteries with two

new button cells CR2032.

Make sure the batteries are in place

and the polarity is correct.

Put back the battery cover and turn it

in counter-clockwise direction to lock

NOTE:

1. Please re-calibrate the meters after

changing batteries.

2. Remove battery from instruments

that you do not plan to use for a

month or more. Do not leave bat-

tery in instrument.

Summary of Contents for LLG-pH Pen 6.263 690

Page 1: ...1 OPERATION MANUAL LONG TUBE LLG pH Pen L A B W A R E Model 6 263 690...

Page 2: ...pH electrode dries out Features IP65 Waterproof housing Dual display with ATC Data hold to freeze readings Compact size easy to fit in pocket Low battery indicator Auto power off C F unit switchable P...

Page 3: ...s with two new button cells CR2032 4 Make sure the batteries are in place and the polarity is correct 5 Put back the battery cover and turn it in counter clockwise direction to lock NOTE 1 Please re c...

Page 4: ...y shows the measured pH reading The 2nd display shows the temp Cal Calibration mode ATC Auto Temp Compensation Data hold KEYPAD OPERATION 1 Remove the pH meter from the probe storage bottle to expose...

Page 5: ...orage bottle in counter clockwise direction and then pull out the bottle completely to expose the electrode 2 Dip the electrode into the test solution Press to power on the meter and stir it to get a...

Page 6: ...er between 0 50 C 7 Please see page 8 for the calibration procedures AUTO POWER OFF SLEEP FUNCTION This meter will shut off automatically 20 minutes of inactivity For operating longer time you can dis...

Page 7: ...Compensa tion ATC will be displayed in the middle top of the LCD Temp Unit Setting of pH pen To select the temp unit C or F turn off the meter first When the meter is off press and at the same time un...

Page 8: ...hen 4 or 10 pH for better accuracy 3 Press to enter pH calibration mode The icon CAL will appear on the LCD for one second and then pH value 4 7 or 10 will be displayed on the LCD 4 If probe or buffer...

Page 9: ...on buffer is not 4 7 10 but another value such as 7 01 just press to change the value 6 The adjustable cal point range for 4 0 pH is from 3 50 to 4 50 For 7 0 pH is from 6 50 to 7 50 For 10 0 pH is fr...

Page 10: ...and store the electrode Always rinse the pH electrode in de ionized water or rinse solution tap water before next use Never touch or rub glass bulb in order to last pH electrode life Make sure the el...

Page 11: ...for one minute and then put back again u Slow response Clean probe by immersing the elec trode in tap water for 10 15 minutes then rinse thoroughly with distilled wa ter or use a general purpose elec...

Page 12: ...fers Standard NIST buffers Standard DIN buffers Battery Life 100 hrs continuous use SPECIFICATIONS Accuracy 0 1 pH Cal Point 4 7 10 Auto Power Off Measurement range 0 00 14 00 Temp Accuracy 1 0 C Temp...

Page 13: ...age resulting from leaking batteries Proof of purchase is required for warranty repairs Warranty is void if the meter used to be taken apart RETURN AUTHORIZATION Authorization must be obtained from th...

Page 14: ...14 Lab Logistics Group GmbH Am Hambuch 1 D 53340 Meckenheim Tel 49 0 2225 9211 0 Fax 49 0 2225 9211 11 www llg labware com info llg labware com L A B W A R E...