leads to a circuit, always turn off power to device or circuit being tested and
discharge all capacitors. n Strictly observe the max input limits. n Do not change
functions while test leads are connected to circuit.
DC AND AC VOLTAGE MEASUREMENT (See Fig. 2)
Connect test leads as shown in figure 1.
or V
.
Touch Probe tips across voltage source (in parallel with circuit).
Voltage value will appear on Digital Display along with the voltage polarity (for DC).
True RMS AC Measurements: Model HD160B is an AC-coupled True-RMS
measuring meter. It measures the true RMS value of distorted AC voltage or
current signals. The Crest Factor handling capability is shown in
4
0
480V
240V
120V
50V
24V
SAFETY
TESTER
500V AC
MAX
10A
10A
MAX
20A/10sec
FUSED
Fig. 2
10
20
30
40
HD160B
SELECT
MENU
CLEAR
OFF
V
2
A
A
COM
COM
mA
mA
CAT III
CA
T III
MAX
40mA MAX
1500V
FUSED
1000V
Turn function selector switch to V
V
V
V
V
1
- 7 -
V
or
> 20V
3
red