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