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Copyrights 2000 – 2012, Analog Technologies, Inc. All Rights Reserved. Updated on 11/22/2012 10
nalog Technologies
317 and 319
Clamp Meter
MEASURING CURRENT FREQUENCY (319 ONLY)
To measure current frequency:
1. Turn the rotary switch to Hz.
2. Open the clamp by pressing the jaw release and insert the conductor to be measured into the clamp.
3. Close the clamp and center the conductor using the jaw alignment marks.
4. See the reading on the LCD.
The frequency reading appears on the display.
HOLD
To capture and hold the present reading, press
while taking a reading. Press again to return to the live reading. High
voltage will be designated by
.
MIN MAX AVG
To use the Min Max Avg functions:
1. Press
once to set the clamp meter to MAX (maximum) mode.
2. Press
again to set the clamp meter to MIN (minimum) mode.
3. Press
a third time and the clamp meter displays an AVG (average) of the readings.
4. Pressing
for more than 2 seconds sets the clamp meter back to normal operation.
5. Press
in MIN MAX AVG mode to freeze the realtime record. In this mode, press to select a recorded value to view.
INRUSH CURRENT (319 ONLY)
To measure inrush current (see figure 10.)
1. Place the source wire into the clamp. Make sure the wire is below the alignment marks on the clamp.
2. With the source power off, turn the clamp meter to the correct range of
.
3. Press
.
4. Switch the source power on and note the inrush current reading on the display.
Figure 10. Measuring Inrush Current
Off
On
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