Rockwell Automation Publication 1412-UM001D-EN-P - September 2012 79
Specifications Appendix B
240 Amp AC Current Probe
(Base Unit accuracy included)
Table 5 - Factors Affecting Accuracy (% of the output signal)
(1)
(1) Overload: Frequency derating beyond 1 kHz - I max 1000 A x 1/f (in kHz).
Conditions Range Error
Temperature -10…50 °C
(14 …122 °F)
200 ppm/°C or
0.2% per 10 °C
Relative humidity 10…90% < 0.1%
Frequency 30…48 Hz
65…1000 Hz
1…5 kHz
< 0.5%
< 1%
< 2%
Position of the cable in the jaws - < 0.1% at 400 Hz
Adjacent conductor carrying a 60 Hz
AC current
Conductor in contact with the sensor 0.5 mA/A
Crest factor distortion 6 and current
3000 A peak
< 1%
Current distortion, dc 15 A DC on the nominal AC current < 1%
Attribute 1412-PP2137-01
Nominal Range 200 A AC for f 1 kHz
Measurement Range 2…240 A AC max (I > 200 A not permanent)
(1)
(1) Currents < 0.5 A will be displayed as zero on the PowerPad unit with this probe.
Probe Output Signal 5 mV AC / A AC
Maximum Clamping Diameter 20 mm (0.8 in.)
Safety EN 61010-2-032, 600 V, Category III and/or 300V,
Catergory IV, Pollution Degree 2
Attribute 1412-PP2137-01
Ambient temperature 23 °C (73 °F) ± 3 °C (5 °F)
Humidity 20 … 75% of RH
Frequency 48 … 65 Hz
Distortion factor < 1% no DC current
Magnetic field of external origin < 40 A/m (earth's magnetic field)
Primary current (A ac) 2 … 10 A 10 … 100 A 100 … 240 A
Accuracy
(% of the output signal)
3% ± 1ct 2.5% ± 1ct 1% ± 1ct
Phase shift (°) 6° 3° 2°
