Elcometer 138 User Manual page 5

3 THE CONTROLS & DISPLAY (continued)
9 Stability Icon
10 MEAS Icon
11 CAL Icon
12 Temperature Alarm Icon Flashes when the ambient temperature does not meet the specified operating
13 Battery Alarm Icon
14 Measurement Units
15 Measured Value
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DISPLAY INDICATORS
Illuminates when measured value is stabilised.
Illuminates when in measurement mode.
Flashes during calibration and illuminates steadily when calibration is finished.
temperature of 5°C to 40°C (41°F to 105°F).
Illuminates when the batteries are low and need to be replaced.
The default setting is µS/cm
Displays the measured conductivity of the sample
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