Controls & Display; Switching On/Off - Elcometer 138 Guia Del Usuario

4 USING THE CONDUCTIVITY METER (continued)
4.3 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.
In measurement mode: switches to hold mode, freezing the display.
HOLD
ENT
In hold mode: switches back to measurement mode.
In manual calibration and temperature calibration modes: exits
calibration without conrming calibrated values.
In range selection mode: selects a range.
INC
Located inside the battery compartment
In measurement mode: enters calibration mode.
In calibration mode: adjusts the calibration values.
DEC
4.4 SWITCHING ON / OFF
To switch on: Press the On/Off button '
will be displayed on screen (Figure 2).
To switch off: Press the On/Off button '
Note: The meter will switch off automatically after 8.5 minutes of inactivity.
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Figure 2: Power-Up Sequence
Model Number &
Software Revision
Number
'. The power-up sequence
Selected range &
upper limit of the
range
', the screen will go blank.
R
Measurement
Mode
en-6