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Page 4
Operating Instructions
The True RMS Ampstik Plus is controlled by a single push button switch located on the
front panel. Operation is as follows:
POWER ON - Press and release the control switch to turn on the instrument.
Startup Test
The Ampstik conducts a startup test to verify the sensors and circuitry is
functioning correctly. The following screens will display during the test:
If the test detects a failure, the display will show FAIL and a corresponding
code.
See page eight for the failure code chart.
If the test determines the unit is functioning properly, it will move to normal
mode and is ready to take the fi rst measurement. The display will show:
RUN Option - The reading continuously changes as the current change
s.
The unit is immediately in the RUN mode after powering on. To place the instrument
into the RUN mode from a different mode, press and hold the control switch and
scroll to the option RUN, then release the control switch to engage the option.
To take measurements with the True RMS Ampstik Plus in the RUN mode, place
the conductor between the two arms and observe the display. For maximum
accuracy, be sure that the conductor is below the notches on the arms. If the
conductor cannot be placed below the notches, readings can be taken but the
accuracy may be lessened.
HOLD Option - Stores a Single Reading
Press and hold the control switch to scroll to the HLD option, and release the
control switch to engage the option.
The True RMS Ampstik Plus is now in the sample and hold mode, indicated by
the word “HOLD” ap pear ing on the display. As shown below, nothing else will
display until a measurement is held:
- - -
HOLD
FAIL
1
0.0