Refer to
Table 3
for calibration warnings and errors. Refer to
Table 4
for measurement warnings and
errors.
Table 3 Calibration warnings and errors
Error/Warning
Solution
Calibration out of range
The slope is out of range.
Calibrate the probe. Refer to
Calibration
on page 6.
Connect a new probe.
Standard or electrode in
poor condition
Calibrate the probe. Refer to
Calibration
on page 6.
Examine the probe. Refer to
Examine the probe
on page 13.
Examine the standard solution solution. Make sure that the standard solution used
is the standard solution selected in the calibration setup. Identify the temperature
specification in the calibration setup. Use a new standard solution.
Outside slope limits
Standard not recognized
Unstable reading Time t >
120 s
Calibrate the probe. Refer to
Calibration
on page 6.
Examine the probe. Refer to
Examine the probe
on page 13.
Make sure that the probe is correctly immersed in the sample.
Electrode in poor condition
Examine the probe. Refer to
Examine the probe
on page 13.
Check the electrode
SAME BUFFERS
Calibrate the probe. Refer to
Calibration
on page 6.
Examine the probe. Refer to
Examine the probe
on page 13.
Examine the standard solution. Use a new standard solution.
Table 4 Measurement warnings and errors
Error/Warning
Solution
pH 12.78 19°C
Calibrate the probe. Refer to
Calibration
on page 6.
Measurement out of range
("_ _ _ _ _ _")
Examine the probe. Refer to
Examine the probe
on page 13.
Unstable reading
Examine the probe. Refer to
Examine the probe
on page 13.
Make sure that the probe is correctly immersed in the sample.
The temperature is out of °C
range.
Examine the temperature sensor.
Connect a different probe to identify if the problem is with the probe or the
meter.
Time > 120 s
Make sure that the probe is correctly immersed in the sample.
Measure the sample temperature.
Examine the probe. Refer to
Examine the probe
on page 13.
Time > 240 s
Time > 300 s
Examine the probe
Note: The lower the sample temperature or the larger the temperature difference between the samples, the longer
the stabilization time will be.
1.
Clean the probe. .
2.
Turn off the meter. Disconnect and then connect the probe again.
3.
Connect a different probe to identify if the problem is with the probe or the meter.
English
13
Содержание 89231-656
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