4) When the READY indicator appears, press to accept. The
primary reading will flash briefly before returning to measurement
mode upon successful calibration.
5.5 Manual Conductivity & TDS Calibration Procedure
1) Press
as needed to select conductivity (μS or mS) or TDS
(ppm or ppt) calibration.
2) Dip the electrode into the calibration standard and press
.
Provide stirring for best results.
3) The primary display will show the current reading, while the
secondary display will be the factory default value. Adjust the
conductivity or TDS reading using
or . Press to
accept. The primary reading will flash briefly before returning to
measurement mode upon successful calibration.
5.6 Temperature Calibration
The thermistor sensor used for automatic temperature compensation
and measurement is accurate and stable, so frequent calibration isn’t
required. Temperature calibration is recommended upon probe
replacement, whenever the temperature reading is suspect, or if
matching against a certified thermometer is desired.
1) Place the probe into a solution with a known accurate temperature
such as a constant temperature bath.
2) Press
followed by . The primary display shows the
measured temperature while the secondary display shows the
factory default temperature.
4) Adjust the temperature using
or . Press to accept or
to cancel. The meter allows an adjustable maximum value of ± 5
º
C
(or ± 9
º
F) from the factory default temperature.
9
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