Operation; Unit Button; Hold Button - Extech Instruments EMF510 User Manual

Operation

Taking a Measurement
The EMF510 is a single axis meter. To get an indication of all three axes you must take one reading
for each plane.
1. Short press the
in the rear battery compartment.
2. Press the UNIT button to select the desired unit of measure.
Press the R (range) button to select the desired range.
3.
4. Position the sensor (top of the meter) at different angles toward the source and observe
the EMF signals.
5. Record the highest reading obtained from the various positions tested.
6. To power OFF the meter, short press the
Power
Short press the power button to power the meter ON or OFF.
Backlight
The LCD is equipped with backlighting for easier viewing, especially in dimly lit areas. Press the
backlight button to turn the backlight on. The backlight will automatically turn off after
several seconds.
Range Button
Short press the R (range) button located on the bottom left of the meter (next to the unit
button) to toggle between the two available ranges. The lower display will show the selected
range.

Unit Button

Short press the UNIT button to toggle between micro Tesla and milli Gauss.

Hold Button

Short press the hold (H) button to freeze/unfreeze a reading on the display. Hold is not
operational while in record mode.
Auto Power OFF (APO)
In order to conserve battery life, the meter will automatically shut off after approximately 10
minutes of inactivity.
To set APO ON or OFF as the default condition:
1. Long press the SET button. The lower display will show 'PoFF'.
Short press the ▲ or ▼ button to enable APO (YES) or disable APO (NO) as shown in the
2.
upper display.
3. Short press the R (record) button to save the selection.
power button. If the LCD does not switch on, check the batteries located
button.
4
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