Maintenance - Extech Instruments 475055 User Manual

Peak Load Measurement
Fast/Slow selection
Display Backlight
PC Interface
PC interface port
Contact Extech for a copy of the 407001-Pro Software for streaming of data from the meter to the PC
via the RS232 port.

Maintenance

Battery Replacement
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1. Slide the POWER switch to the PEAK position.
2. Touch the adapter to the object being measured in a straight line, refer to Fig. 1.
3. Zero the meter before each measurement.
4. Begin measurement by applying force (pull or push). The LCD will display the peak value,
which is the highest reading encountered.
5. After completing the measurement, the display will hold the peak reading until a higher
reading is reached or the switch is moved out of the peak hold position.
Note: Be sure to press "ZERO" before taking a new measurement.
Press the FAST/SLOW key to select the desi
the display when FAST is selected.
Pressing the backlight button momentarily will turn on the backlight. After approximately 15
seconds, it will automatically shut off.
The low battery indication appears as a "LO" on the display when battery voltage is less than 6.8V.
To replace the battery:
1. Remove the two screws from the battery compartment cover.
2. Lift off the battery cover.
3. Replace with six (6)
4. Replace compartment cover and screws.
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