13
pH measurement without ATC (Manual temperature compensation on sensor error)
11.4 If an alternative specialized electrode is used without the temperature
sensor, then the ATC jack should not be connected. Manual setting of
the temperature should be made as follow:
11.5 Press and hold down until CAL
CALCAL
CAL appears in a flashing mode.
11.6 Press and to change to the temperature of test liquid.
11.7 Press to confirm and display will return to measuring mode.
11.8 Proceed to perform tests as 11.1 to 11.3. Whenever a temperature
sensor is used, measurement will resume ATC. When it is removed,
the manually set temperature will resume until you reset it.
12. MAKING REDOX(ORP) MEASUREMENT:
12.1 Disconnect and remove the pH electrode and temperature probe.
Connect with the Redox/ORP electrode. Temperature has no effect
on ORP readings and therefore, not required during measurement.
12.2 Rinse the sensor in distilled water then in the test liquid. Stir to
remove bubbles and wait for a stabilized reading.
12.3 When the READY sign appears, a stable reading has established.
12.4 Depending on the liquid that is measured, some volatile liquid may
take as long as 20 minutes or even longer time to be stabilized.
Therefore, even the READY sign appears; the endpoint reading
should be determined by individual experience in such case.
13. DATA MEMORY:
13.1 This meter can save up to 99 data with real time clock with either pH
or ORP measurements.
13.2 After a reading has been acquired, press to save reading into
memory. Display will flash and memory counter shows 01
0101
01.
RECALL MEMORY:
13.3 To review the saved data, press and hold down to enter
RECALL mode.
13.4 Press or to review each data.
13.5 Press to review minimum reading over all saved data, and
again to review maximum over saved data and again to return to
review mode in a cyclical sequence.
13.6 After reviewing, press to exit reviewing mode.
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