52 Series CAT III 600V AC/DC Current Clamp-On Probes

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The 52 Series CAT III 600V AC/DC Current Clamp-On Probes are high performance current converters  incorporating a Hall Effect sensor within a split core window current transformer with low ratio and phase errors, and specifically designed as an accessory for CHK Power Quality instruments and used in CAT III 600V environments.

Key Features

Part Number To be used with
1ADC Series Miro PQ45 Power Quality Logger and Analyser
1ADCR Series Miro PQ35 Power Quality Logger and Analyser


Miro PQ35 Miro PQ45
Part number Rated primary Part number Rated primary
1ADCR250 250A 1ADC250 250A
1ADCR1000 1000A 1ADC1000 1000A



The zero adjust knob and the power indicator LED are located on the inside of a trigger arm.

Connection to MIRO

Once connected, the MIRO automatically detects and energises the AC/DC clamp. The red LED will glow to indicate that the clamp is energised.


Technical Information

Rated input current 250A or 1000A AC/DC
Maximum input current 120% of rated current
Output signal 2V at rated current
Zero adjustment Yes
Sensor technology Hall effect
Burden 10kΩ
Accuracy 2% (10-120)% of rated
Phase error 4° @ 1kHz
Frequency range 10kHz (-3dB)
Working voltage 600V
Dielectric strength 4kV@50Hz for 1 minute
Dimensions (H x W x L) (24 x 107 x 213) mm
Jaw aperture 52 mm
Lead length / Weight 2m / 600 grams
Power indicator Red LED
Enclosure colour Red
Operating temperature -10°C to 50°C
Protection class CAT III 600V, pollution degree II, IEC 61010-2
Environment Indoors


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