Dca Zero (Ex655 Only); Max-Min Mode - Extech Instruments EX650 User Manual

DCA ZERO (EX655 only)
The DC ZERO feature removes any offset values and improves the accuracy for DC current
measurements.
1. Turn the function switch to the
2. Ensure that there is no conductor in the clamp jaws.
3. Press the ZERO button; the delta symbol
4. Take a DC Current reading as described earlier in this guide.
5. Press the ZERO button to exit the DC Zero mode; the delta symbol will switch off.
MAX‐MIN Mode
In MAX‐MIN mode, the meter captures and displays the Maximum and Minimum readings
and updates only when a higher or lower value is registered.
Press the MAX MIN button to access this mode.
1.
The MAX icon will appear and the displayed reading will represent the highest
2.
reading encountered since the MAX MIN button was first pressed.
Press the MAX MIN button again. The MIN icon will appear and the displayed reading
3.
will represent the lowest reading encountered since the MAX MIN button was first
pressed.
Continue to use the MAX MIN button to step through the MAX and MIN readings as
4.
desired.
Press and hold the MAX MIN button for 2 seconds to exit this mode (the MAX and
5.
MIN icons should now be off). The meter will return to normal operation and the
MAX and MIN memories will be reset.
position and use the M button to select DC.
will appear and the display will zero.
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