Comparative Measurement (Comp) - VOLTCRAFT VC880 Bedienungsanleitung

14. COMPARATIVE MODE (COMP-MODE)
In comparative measurement, the main display only shows the respective status of the currently measured value as
compared to the range thresholds set after determination of a top and bottom threshold for the current measured unit.
Proceed as follows to set the comparative mode threshold values:
- Switch on the DMM and select the respective measuring range
- Insert the measuring lines into the respective measuring sockets.
- Keep the "SHIFT/SETUP" button pressed for approx. 2 s. This top left of the display indicates "SHIFT". They are
now in "SHIFT" mode.
- Keep the "SHIFT/SETUP" button pressed again for approx. 2 s to enter SETUP mode. This display now shows
the symbol "SETUP" above the value "01"
- Now set the top threshold for comparative mode. Use the buttons "LOAD/" and "SAVE/" to select the individual
positions and change their values with the "+" and "-" buttons.
- Press the "SHIFT/SETUP" after the setting is made to set the lower threshold for comparative mode. Use the but-
tons "LOAD/" and "SAVE/" again to select the individual positions and change their values with the "+" and "-" but-
tons.
- Press the "SHIFT/SETUP" button to determine the measurement status. When selecting "outer", the measured
value is declared as passed (PASS) if it is outside of the top and bottom thresholds; for "inner", the measured val-
ue is declared as passed (PASS) if it is within the top and bottom thresholds.
- Leave SETUP mode by pressing the "SHIFT/SETUP" button for approx. 2 s.
Perform comparative measurement:
- Select the respective measuring range.
- Keep the "SHIFT/SETUP" button pressed for approx. 2 s. This top left of the display indicates "SHIFT". You are
now in "SHIFT" mode.
- Press the "COMP" button.
The automatic measuring range selection is deactivated now. Before starting measurement now,
ensure that the correct measuring range is set. Select it with the "RANGE" button.
- Connect the two measuring prods with the object to be measured
- The measured value is displayed with the corresponding unit.
- The upper right display shows the symbols "PASS" (passed) and "NG" (not passed) to show if the current mea-
sured value is within or outside of the threshold values set, depending on the previous setting.
- Press the button "COMP" again to terminate comparative mode.
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