28
AC Voltage Measurement (V)
Range
Resolution
Accuracy
50 Hz – 60 Hz
Input Impedance Overload
Protection
500 V
0.1 V
0.8 % + 3 digits
3.3 M
Ω
660 V rms
Continuity Testing (R
LO
)
Range
(Autoranging)
Resolution
Open Circuit Voltage Accuracy
20
Ω
0.01
Ω
>4 V
±(1.5 % + 3 digits)
200
Ω
0.1
Ω
>4 V
±(1.5 % + 3 digits)
2000
Ω
1
Ω
>4 V
±(1.5 % + 3 digits)
Note: The number of possible continuity tests with a fresh set of batteries is 3000.
Range R
LO
Test Current
7.5
Ω
210 mA
35
Ω
100 mA
240
Ω
20 mA
2000
Ω
2 mA
Test Probe Zeroing
Press the
to zero the test.
Can subtract up to 3
Ω
of lead resistance.
Error message for >3
Ω
.
Live Circuit Detection
Inhibits test if terminal voltage >10 V ac detected prior to
initiation of test.
Insulation Resistance Measurement (R
ISO
)
Test Voltages
250-500-1000 V
Accuracy of Test Voltage
(at rated test current)
+10 %, -0 %
Test
Voltage
Insulation
Resistance Range
Resolution
Test Current
Accuracy
250 V
10 k
Ω
to 20 M
Ω
0.01 M
Ω
1 mA @ 250 k
Ω
±(1.5 % + 3 digits)
20 M
Ω
to 200 M
Ω
0.1 M
Ω
±(1.5 % + 3 digits)
500 V
10 k
Ω
to 20 M
Ω
0.01 M
Ω
1 mA @ 500 k
Ω
±(1.5 % + 3 digits)
20 M
Ω
to 200 M
Ω
0.1 M
Ω
±(1.5 % + 3 digits)
200 M
Ω
to 500 M
Ω
1 M
Ω
±10 %
1000 V
100 k
Ω
to 200 M
Ω
0.1 M
Ω
1 mA @ 1 M
Ω
±(1.5 % + 3 digits)
200 M
Ω
to 1000 M
Ω
1 M
Ω
±10 %
Note: The number of possible insulation tests with a fresh set of batteries is 2000.
