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3.6 AC Current Probe Model SR193
When installing probes, face the arrow on the probe in the direction of
the load.
Nominal Range: 1000A
Measurement Range: 3A to 1200A
Currents <0.5A will be displayed as zero with this probe.
Probe Output Signal: 1mV
Maximum Clamping Diameter: 2" (52mm)
Safety: EN 61010-2-032, Pollution Degree 2, 300V CAT IV, 600V CAT III
Reference Conditions:
Ambient temperature
Humidity
Frequency
Distortion factor
Magnetic field of external origin
Accuracy*
Primary current (A
Accuracy (% of the output signal)
Phase shift (°)
* Logarithmic interpolation between each specified value
Factors affecting accuracy
Conditions
Temperature
Relative humidity
Frequency
Position of the cable in the jaws
Adjacent conductor carrying a
60Hz AC current
Crest factor distortion
DC current distortion
Overload: Frequency derating beyond 1kHz:
Power Quality Analyzer Model 3945-B
for f ≤1kHz
AC
/A
AC
AC
)
AC
(% of the output signal)
14° to 122°F (-10° to 50°C)
≤6 and current ≤3000A peak
(3945-B accuracy included)
max (I >1000A not continuously)
AC
73°F (23°C) ± 5°F (3°C)
20 to 75% of RH
< 1% no DC current
< 40 A/m (earth's magnetic field)
3 to 10A
≤0.8% ± 1ct
≤1°
Range
10 to 90%
30 to 48Hz
65 to 1000Hz
1 to 5kHz
–
Conductor in contact
with the sensor
≤15A
on the
DC
nominal AC current
1000A
F
48 to 65Hz
10 to 100A
100 to 1200A
≤0.3% ± 1ct
≤0.2% ± 1ct
≤0.5°
Error
≤200 ppm/°C or 0.2%
per 10°C
< 0.1%
< 0.5%
<1%
< 2%
< 0.1% @ ≤ 400Hz
≤0.5mA/A
< 1%
< 1%
x 1
(in kHz)
≤0.3°
21
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