Specifications - UNI-T UT-P40 Instruction Manual

Shows the controls and indicators on the
current
Control/Indicator Description

Specifications:

probe.
Current flow symbol. The arrow shows the probe's polarity
convention for measuring current flowing from positive to
negative.
Zero adjustment. Rotate to adjust the probe output to zero
when there is no current present. It may also be used to offset a
DC signal component. Zeroing is not needed for AC
measurements unless your instrument cannot isolate a DC
component (if present).
OFF/Range switch. Slide the switch from OFF to either the 5
mV/A or 50mV/A range. When either range is selected, the
probe is turned on, and the green battery indicator lights. If the
indicator does not light, see Battery Notes and Battery
Installation.
Battery indicator. The green battery indicator lights when the
probe is turned on. For more information, see Battery Notes
and Battery Installation .
Overload indicator. The red overload indicator lights if the
measured signal is greater than the selected range capacity.
Switch the probe to 5 mV/A if possible, or remove the probe
from the circuit.
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