10 EX540-EU-EN V1.4-3/11
RELATIVE MODE
The relative measurement feature allows you to make measurements relative to a stored
reference value. A reference voltage, current, etc. can be stored and measurements made
in comparison to that value. The displayed value is the difference between the reference
value and the measured value.
1. Perform the measurement as described in the operating instructions.
2. Press the REL button to store the reading in the display and the "▲" indicator will
appear on the display.
3. The Right auxiliary display displays the initial reading (the stored value)
4. The Left auxiliary display displays the actual currently measured value.
5. Main display displays the Relative value (currently measured value minus the stored
value).
DISPLAY BACKLIGHT
Press the
key to turn the backlight on. The backlight will automatically turn off after
SET time. Press the EXIT button to exit the backlight on mode.
HOLD
The hold function freezes the reading in the display. Press the HOLD key momentarily to
activate or to exit the HOLD function.
PEAK HOLD
The Peak Hold function captures the peak AC or DC voltage or current. The meter can
capture negative or positive peaks as fast as 1 millisecond in duration. Momentarily press
the PEAK button, “PEAK” and “MAX” will display in left auxiliary display. MIN” will
display in right auxiliary display. The meter will update the dispay each time a lower
negative peak occurs. Press the EXIT button to exit the PEAK HOLD mode. Auto Power
Off feature will be disabled automatically in this mode.
DATA STORAGE
1. Set the function switch to the measurement function desired.
2. Press the STORE button to enter the STORE function. The left upper aux display
indicates the current storage location (0000 to 9999). New measurements will begin
storing into the next location.
3. Press the PEAKHOLD button to change into the initial storage number 0000. (Press it
again to change back). On the right upper aux display shows XXXX which states how
many current storage locations are used.
4. Press STORE button again to enter into recording interval time set up function.
5. The left upper aux display indicates 0000 S, which is the recording sample rate; use
the + & - buttons to select the sample rate desired (0 to 255 sec)
6. Set the sample rate to 0000 S for manual recording. In this mode, each press of the
STORE button will save one measurement reading.
7. Set the sample rate to 1 to 255 S for automatic recording. In this mode, pressing the
STORE button will start data recording at the set sample rate.
8. Press the EXIT button to end the recording session.
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