Elcometer 138 User Manual page 8

5 USING THE CONDUCTIVITY METER (continued)
5.2 FITTING THE BATTERIES
The Elcometer 138E Conductivity Meter uses dry cell batteries only.
Four 1.5V LR44 alkaline batteries are supplied in the kit.
To fit the batteries:
1 Unscrew the battery compartment lid.
2 Place batteries in battery compartment
ensuring correct polarity (Figure 1).
Remove old batteries by pulling the plastic ribbon
(Figure 1).
The battery condition is indicated by a symbol on
the display:
Note: Batteries must be disposed of carefully to avoid environmental contamination.
Please consult your local Environmental Authority for information on disposal in
your region. Do not dispose of any batteries in fire.
5.3 CONTROLS & DISPLAY
The Elcometer 138E Conductivity Meter is operated using 5 buttons
and displays readings and other information on the LCD screen.
Switches the meter On / Off.
In measurement mode: temperature reading switches between Celsius
°C/°F
and Fahrenheit.
In calibration mode: switches the meter to temperature calibration mode.
In temperature calibration mode: exits calibration mode without
conrming calibrated values.
en-7
R
3 bars indicates the battery is full (100%).
2 bars indicates 50% of the battery life is left.
1 bar indicates 25% of the battery life is left.
Blinking battery casing indicates the need to replace
batteries with new ones.
Plastic
+
Ribbon
-
Figure 1
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