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CAT IV 600V Flexible Current Probes

The CAT IV 600V flexible current probes are high performance current sensors specifically designed as an accessory for CHK Power Quality instruments used on energised circuits and in CAT IV environments.

green flex copy

part number green flexible ct

Table1: Instrument accessories


Rated input current 3000A
Output signal 78mV/kA @ 50Hz
Accuracy ± 0.5% of reading
Linearity (10%-100% of range) ± 0.2% of reading
Phase error (45Hz-65Hz) ± 1°C
Position error ± 2% of reading
External field ± 0.25% of range
Temperature coefficient ± 0.05% of reading /°C
Load resistance 4.5kΩ
Frequency range 10Hz – 20kHz
Working voltage 1000V AC RMS or DC
Probe cable diameter 9.9mm (nominal)
Probe cable length 610mm
Probe cable conductor diameter 194mm
Output cable length Length 2m, terminated with: (PQ35) Brad Harrison 8A4000-315; (PQ45) UL.M12 4P F ST 2M PUR-0.34
Probe and cable material Alcryn 2070 NC double insulated, UL94 V-0
Coupling material Ultramid A3U Q720, UL94 V-0
Colour Probe: Green RAL6018
Weight 300 grams
Safety class CAT IV 600V as per IEC 61010-1-2003
Operating temperature -20°C to 65°C
Storage temperature -40°C to 75°C
Operating humidity 15% to 85% non-condensing
Pollution degree 2
Degree of Protection IP65
Maximum altitude 2000m


Download Brochure flexible current probe - green coil

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