7
Press the catch with both Thumbs
till probe latch is released
Pull probe out this way
after latch is released
SENSOR PROBE REPLACEMENT:
1. This unit comes with a replaceable probe. Keep in mind that the
pH sensor will age and degrade over time subject to usage and
storage conditions. The sensor has a usage life of about 1year.
When the pH reading becomes erratic or fails to be calibrated,
the Probe should be replaced.
2. To replace the Probe, turn to the back of the unit and press
down the catch using both thumbs as shown.
3. Replace with a new Probe.
4. Be sure to leave a 3mm gab from “O” ring as figured in page 1.
5. Re-calibrate the unit before proceeding with any tests.
BATTERY REPLACEMENT
(Caution: Wrong battery placement will damage meter and void warranty)
1. Replace all four batteries yearly to prevent damage* from
battery leakage. (*Not covered by warranty)
2. Or when the low battery sign persistently appears on the display,
it indicates that the meter has remaining 2 hours of usage, after
which reading accuracy will be affected.
3. To replace battery, unscrew the Battery Cap on the unit.
4. Slide out the batteries and replace with four 1.5volts AA size
battery according to the direction shown.
- AA Size +
Insert this way
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