Power Quality Analyzer Model 3945
19
3.7 AC Current Probe MN193 Probe
(with Model 3945)
The MN193 is designed to work with secondary current transformers.
Best accuracy is available when entering the transformer ratio (e.g. 1000/5A)
Nominal Range:
5A and 100A
AC
Measurement Range:
5A: 0.005A to 5A
AC;
100A: 0.1A to 100A
AC
NOTE:
Currents below X on the 5A range and Y on the 100A range will be dis-
played as zero on the PowerPad™ with this probe
Probe Output Signal:
5A: 200mV/A
AC;
100A: 10mV/A
AC
Maximum Clamping Diameter:
0.8” (20mm)
Safety:
NF EN 61010-2-032, 600V, CAT III, POLL 2
Reference Conditions:
Ambient temperature
73°F (23°C) ± 5°F (3°C)
Humidity
20 to 75% of RH
Frequency
48 to 65Hz
Distortion factor
< 1% without superimposed DC current
Magnetic fi eld of external origin
< 40 A/m (earth’s magnetic fi eld)
Accuracy Specifi cations
NOTE:
Add PowerPad™ accuracy ±0.5% ± 1ct
Range:
10mV/A (1V @ 100Arms)
Primary current (in A
AC
)
0.1A to 1A
1A to 120A
Accuracy (% of the output signal)
≤
1% ±2mA
≤
1%
Phase shift (°)
≤
3.2°
≤
2.2°
Overload:
120A continuous
Range:
200mV/A (1V @ 5Arms)
Primary current (in A
AC
)
5mA to 50mA
0.05A
0.5A
5A
Accuracy (% of the output signal)
≤
1.5% ±0.1mA
≤
1.5%
≤
1%
≤
1%
Phase shift (°)
≤
6.5°
≤
5°
≤
4.5°
≤
4°
Overload:
12A continuous
