User manual EUTECH INSTRUMENTS WATERPROOF PHTESTR 2 PH TESTER
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Manual abstract: user guide EUTECH INSTRUMENTS WATERPROOF PHTESTR 2 PH TESTER
Detailed instructions for use are in the User's Guide.
[. . . ] Instruction Sheet
Microprocessor based,
pH Tester 2
with ATC that floats!
Waterproof pHTestr 2 Microprocessor-based Pocket pH Tester
BEFORE USE: DO NOT BE ALARMED if white crystals form around the cap. [. . . ] Press again to release · Press the ON/OFF button to shut off · Tester automatically shuts-off after 8. 5 minutes to conserve batteries!In harsh samples, take readings quickly, rinse electrode immediately afterwards with tap water to remove residues and prevent electrode contamination. To maximize electrode life, place a small piece of clean cloth or sponge in the cap, moisten with tap water (NOT DE-IONIZED WATER), and replace cap. Remove old batteries and replace with fresh ones noting polarity as shown in battery compartment. Re-calibrate after battery change.
Keypad
USEFUL NOTE: · To avoid cross contamination, rinse between samples and buffer with tap water · Calibration should be done regularly or daily to ensure good tester accuracy. E2 - Wrong or bad buffer value (out of range) or the electrode is failing. OR - Over range signal or electrode is not in contact with sample solution.
68X247717 2/05 Rev 5
(Picture A)
REMOVE THE OLD ELECTRODE
Rotate collar away from you Rubber Gripper Band Ribbed Collar
Twist-off Battery Compartment
Amplified Electrode
REPLACE THE ELECTRODE
Small O-Ring Large O-Ring (Hidden) Replacement Electrode
(Picture B)
Lanyard Connection
Insert Electrode
Small Tabs Large Tab
Replaceable Sensor
SPECIFICATIONS Model pHTestr 1, 2 pH Range -1. 0 to 15. 0 pH Resolution 0. 1 pH Accuracy pHTestr 1 : ± 0. 2 pH pHTestr 2 : ± 0. 1 pH ATC Yes (Except pHTestr 1) Calibration pHTestr 1 : 1-point (4. 0, 7. 0 or 10. 0) pHTestr 2 : 3-point (4. 0, 7. 0 & 10. 0) Auto Power- Yes Off/Hold Auto-Buffer Yes (pH 4, 7, & 10) Recognition Battery Life 3 x 1. 4V (Type: A 76, LR44, V13GA) ; >60 hours Dimension/ Tester : 15 x 3. 8 cm ; 90g Weight Boxed : 18. 5 x 7 x 5 cm ; 170g
Eutech Instruments Oakton Instruments
www. eutechinst. com www. 4oakton. com
Made in Malaysia 68X247809 2/05 Rev 3
ELECTRODE REPLACEMENT: One of the benefits in selecting the Waterproof pH tester is that you can now replace the electrode whenever needed keeping the body of the tester intact. When the tester fails to calibrate, gives fluctuating readings in buffers, or shows error messages `E2' or `OR' in a buffer, and the procedures in the maintenance section do not help, you need to change the electrode (see pictures for instructions). · With dry hands firmly grip the ribbed collar (Picture A) and slowly twist the body counter clockwise until it is completely removed. [. . . ] Then push the collar on over the module and hand-tighten by firmly twisting it clockwise. [. . . ]
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