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Basic Operation:
Before using the probe, the batteries must be installed.
WARNING!
Do not clamp the probe onto circuits with voltages
greater than 600 VAC. Personal injury or damage to
the probe may result. Always connect the UT-P40
current probe output to the instrument before
clamping onto the circuit under test.
1. First connect the current probe BNC connector to
BP-250 (double BNC connection cable) then connect to
oscilloscope input. Start by setting the oscilloscope
voltage input channel to DC volts, and the voltage
sensitivity scale to 5m V/div.
2. Move the OFF/ Range switch to the 5 mV/A or 50
mV/A position to turn on the probe. (※The UT-P40
current probe has a green LED power/battery indicator.
If the LED does not light, replace the battery or use
specified power adaptor.)
3. Use the ZERO adjustment to zero or offset the probe
output detection of residual magnetic DC charges.
4. Connect the probe to the circuit by opening the jaws
and clamping around the conductor. See Figure 2.
NOTE. Clamping around both the "hot" and
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