R
A3: THE CONTROLS AND DISPLAY
The Elcometer 138 Meters are operated using 3 buttons and display readings and other information on
the LCD screen.
2
1
5
4
3
8
en-17
1
Measurement Cell
2
Protection Cover
3
Lithium Batteries
4
MEAS Button
6
5
ON/OFF Button
7
6
Strap Eyelet
7
CAL Button
8
Waterproof Gasket
ELCOMETER 138 METER OVERVIEW
Place a liquid sample in this cell to measure it with the
electrode located on the bottom of the cell.
Protects the measurement cell and flat sensor in
storage.
CR2032 x 2
Sets the measurement mode:
Elcometer 138 Bresle Salt Meter: ISO or IMO;
Elcometer 138 Conductivity Meter: EC
View the temperature of the measuring environment.
Switches from calibration mode to measurement
mode.
Turns the meter On / Off.
A strap can be attached here.
Starts calibration procedure.
Makes the meter waterproof.
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