Full Product Manual

6
Operating Instructions
Before use, soak the glass bulb in
distilled water for a minimum of 1 hour
Power ON/OFF
Turn the meter on or off by pressing the Power button.
Selecting the Temperature Unit of Measure
When the meter is rst powered ON, the default scale setting is set to Celsius
(°C).Followthestepsbelowtotogglebetweentemperatureunitsofmeasure.
1. Press and hold the HOLD button while powering on the meter.
2. Release the HOLDbuttonwhen°Cappearsonthedisplay.
3. Press the CALbuttontotogglebetween°Cand°F.
4. Press the HOLD button to conrm selection and resume
normal operation.
Note: The meter will automatically save the selected unit of measure as
the new default when powered off.
Taking Measurements
Submerge the electrode in the solution to be tested while stirring gently.
Wait for the measurements to stabilize. The pH value automatically com-
pensatedfortemperatureisshownatthetopoftheLCDDisplaywhereas
the secondary value below indicates the temperature of the sample.
Data Hold
1. Press the HOLD button to freeze the current reading on the display.
2. Whileinthismode"Hold"willappearontheLCDdisplay.
3. Press the HOLD button again to resume normal operation.
Over Range
WhenthepHvalueisunder"0"orover"14",theLCDdisplaywillindicate
"L---"whenunderor"H---"whenover.Iftheelectrodeisnotplacedin
anysolution,thepHvaluewillindicate"----"or"0.00".
continued...
REED Instruments
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