Spectrum FieldScout Calibration
1) Open battery compartment lid on the top of the meter to access the small white Increment
(INC) and Decrement (DEC) calibration keys. When looking at the battery compartment with the
calibration keys above the batteries, the DEC key will be to the left.
2) If necessary, clean the probe with alcohol to remove any residual oils. Rinse the electrode tip in
de-ionized (or distilled) water and then rinse it in the calibration standard.
3) Switch the unit on with the ON/OFF key. Place probe tip into a container of calibration standard.
Take care that the 4 exposed electrodes on the tip are not touching the side or bottom of the
container holding the buffer solution. Wait for display to stabilize (display value is unchanged
and stable for 3 seconds).
4) Pressing either calibration key will put the meter into CALIBRATION mode. Press the INC or DEC
key to adjust the reading. If a key is held down, the adjustment will happen more rapidly.
5) When the EC of the calibration standard is reached, release the keys for 3 seconds. The
temperature reading will briefly flash "CO". The Waterproof EC Tester accepts the calibration
value and returns to MEASUREMENT mode.
Meter Configuration-Configuring the Calibration Mode
1) Switch off the display.
2) Press and hold the INC key then simultaneously press the ON/OFF button to switch on the
display. The meter will go into calibration selection mode.
3) The lower display shows "A.CAL" and the upper display blinks the current choice (YES or NO).
Press either the INC or DEC key to select the NO option. This disables the Automatic calibration
mode and configures the display for Manual calibration.
4) Press the HOLD/ENTER button to confirm the selection. The display shows "CO".
5) After 1 second, the lower display will show "1.Pnt" and the upper display blinks the current
choice (YES or NO). Press either the INC or DEC key to select the YES option. This enables the 1-
Point calibration option.
6) Press the HOLD/ENTER button to confirm the selection. The display shows "CO" and, after a few
seconds, goes to measurement mode.
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