Elcometer 138 User Manual page 10

5 USING THE CONDUCTIVITY METER (continued)
GUIDE TO CONDUCTIVITY METER & DISPLAY INDICATORS
9 MEAS Icon
10 CAL Icon
11 Battery Alarm Icon
12 Temperature Alarm Icon
13 Stability Icon
14 Measurement Unit Display
15 Measured Value Display
5.4 SETTING THE MEASUREMENT UNITS
1 Press and hold the MEAS button for
over 3 seconds in the measurement
mode to enter the special setting mode.
All items appear on the LCD then the
display changes as shown.
2 Press the MEAS button for 0.5 seconds.
The current setting is displayed.
3 Press the CAL button for 0.5 seconds to
change the setting. Pressing the CAL
button continuously changes the
settings sequentially (see diagram on
page en-10).
4 Press the MEAS button to apply the
setting. The instrument returns to
measurement mode.
en-9
R
Flashes until the measured value is stabilised
and illuminates steadily when the measured
value is settled, while the reading locking
function is active.
Flashes during calibration and illuminates
steadily when calibration is nished.
Illuminates when the batteries are low and
need to be replaced.
Flashes when the measuring environment
temperature does not meet the specied
operating temperature of 5°C to 40°C
(41°F to 105°F).
Illuminates when measured value is
stabilised.
A unit symbol illuminates corresponding to the
value displayed on the measured value
display (15). The default setting is 'S/cm'.
Displays a measured, set and status value.
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