23
3. CHARACTERISTICS
3.1. REFERENCE CONDITIONS
Quantity of influence
Reference values
Temperature
23 ± 5 °C
Relative humidity
30 to 75% RH
Supply voltage
3 ± 0.1V
Frequency of the measured signal
DC or 45 to 65Hz
Type of signal
sinusoidal
External electric field
< 1V/m
DC external magnetic field
< 40A/m
3.2. ELECTRICAL CHARACTERISTICS
3.3.1. VOLTAGE
Particular reference conditions:
AC signal
≤
1% in DC measurements.
DC signal
≤
1% in AC measurements.
Range
3 V
30 V
300 V
1000 V
Measurement
range
3 mV
dc
to
2,999 V
dc
3.00 V to
29.99 V
30.0 V
to299.9 V
300 V to
1000 V
100 mV
ac
to
2,999 V
ac
Resolution
1 mV
10 mV
100 mV
1 V
Intrinsic
uncertainty
in V
dc
2% ± 3 pt
Intrinsic
uncertainty
in V
ac
3% ± 4 pt
Input
resistance
10 M
W
Automatic AC/DC detection is possible only above 450 ±
150mV.
3.3.2. RESISTANCE AND CONTINUITY
Particular reference conditions:
Zero voltage.
Pure resistance (no diode or capacitance in parallel).
Range
300
W
3 k
W
30 k
W
300 k
W
3 M
W
30 M
W
Measure-
ment range
0.3 to
299.9
W
300 to
2999
W
3.00 to
29.99
k
W
30.0 to
299.9
k
W
300 to
2999
k
W
3.000
to
30.00
M
W
Resolution
0,1
W
1
W
10
W
100
W
1 k
W
10 k
W
Intrinsic
uncertainty
3% ±
5 pt
3% ± 3 pt
5% ±
3 pt
The 30 M
W
range is not available in automatic mode.
北京海洋兴业科技股份有限公司 电话：010-62176775
