Amprobe AD40B AC40B Mini-Clamp-Meters - Manual (Page 9)

7
Note
Do not measure current on high-voltage conductors (>600 V) in
order to avoid risk of discharge and/or incorrect reading.
AC & DC VoLtAgE MEASUREMENt (AC40C) (FIg. 2)
Connect the black test lead to the COM input and the red 1.
test lead to the “+” input.
Set the selector switch to V
2. C position.
Press the AC DC button to select AC or DC voltage ( 3. B or F is
displayed).
Connect probe tips to circuit, in parallel to the load.
4.
Read the measured value on the display. 5.
RESIStANCE & CoNtINUIty MEASUREMENt (AC40C) (FIg. 3)
Remove any voltage from resistance to be measured and 1.
discharge all capacitors.
Connect the black test lead to the COM input and the red
2.
test lead to the “+” input.
Set the selector switch to
3. Ω R position.
Connect the probe tips across the circuit or resistance. 4.
Read the measured value on the display. 5.
The instrument emits a continuous tone and the R symbol is
displayed when the measured resistance is < 40 Ω.
DISPLAy HoLD
Press the HOLD button to keep the measured value on the
display for later viewing. Press HOLD again to release the
“Display Hold” function before taking a new measurement.
Display Hold can be applied to all measuring functions.
SPECIFICAtIoNS
general Specifications
Display: (AC40C & AD40B) 3-3/4 digit LCD (max. reading 3999).
Polarity Indication: Automatic, negative indicated, positive
implied
Overrange Indication: “OL” indicated.
Measuring Principle: Dual slope integration.
Range Selection: Automatic.
Low Battery Indication: N when battery voltage falls below
operating voltage.