Q8 5a high performance permalloy clamp on ac current sensor

clamp on current sensor

The model Q8 copper wire clamp-on ac current sensor is suitable for 5A, 10A cable online measurement, the user friendly shape make It easily clamp onto cables. This Q8 is one high quality core current clamp, ratio 1000:1 or 2000:1, frequency from 40Hz to 2kHz, small jaw 8mm, compact design, according to EN 61010-2-032, 600V CAT III, IEC61869, IEC60044-1 standard strictly. The clamp type current sensor is also called current clamp, current probe or current transformer clamp, widely used in power instrument measurement, recorder & energy meter tester etc.



  • High precision 0.2% for current measurement;
  • Measurement range of 1mA to 12A AC;
  • Low phase shift less than 15' for power measurement;
  • Leakage current measurement;
  • Installation: clamp type design;
  • Frequency 40Hz-2KHz Bandwidth;
  • Holding wire diameter: φ8mm;
  • High content nickel metal permalloy core;
  • 2-63th harmonic measurement;
  • Can be customized 4mm banana/BNC connector;
  • Improved ergonomic design & easy operation;
  • Conforms to EN 61010-2-032, 600V CAT III;
  • UL, CE, CNAS mark;
  • Designed for DMMs, oscilloscopes, recorders, harmonic meters etc.;


  • Power meter;
  • Phase angle meter;
  • Power quality analyzer;
  • Oscilloscopes meter;
  • Energy meter calibrator (on site);
  • Power and harmonic meters;
  • Leakage current meter;
  • Data logging/recording;
  • Phase volt-ampere meter;
  • Power quality monitoring;
  • CT secondary current detection;
  • Energy sub-meters;
  • Digital multi-meter;
  • Multi-function energy meter;


Electrical parameters
Ratio 2000:1 or 1000:1 (customized)
Accuracy class 0.2%, 0.5%
Phase shift <15'
Primary current 0 - 5A , 0 - 10A AC
Secondary current 0 - 5mA, 0 - 10mA AC (customized)
Secondary voltage 0-0.1V AC, 0-0.5V AC, 0-1V AC, 0-5V AC
Max. Cont. Input current 20A
Load capacity ≤10Ω, Standard 4Ω
Over voltage category CAT III 600V
Output signal (AC current) From 0 to 10mA AC at nominal input current
Output signal (AC voltage) From 0 to 0.5V AC at nominal input current
Frequency range 40Hz-2KHz
Dielectric strength 3KV 50Hz/60Hz at 1minute
Temperature range -20°C to +55°C
Output 2.5 meter cable with D01 connector
Max. voltage not insulated conductors 720 V
Standard EN 61010-1, EN 61010-2-032, EN 61010-2-031
IEC60044-1, & IEC61869-2, 600V CAT III
Installation clamp type
Output mode lead output(2.5m)
Connector Audio connector, BNC, 4mm banana, signal cable(2 cores)
Mechanical parameters
Dimensions (L x W x H) (mm) 42.6× 122.5 × 23
Weight (g) 225
Holding wire diameter (mm) φ8
Max. jaw opening (mm) 8
Color Gray
Material PC+ABS+Polycarbonate, UL94 V0


Model Rate Current Max Current Secondary Current Coil Ratio Burden Resistance Accuracy
Q8-5 5A 6A 2mA 2500:1 customized 0.2%
Q8-10 10A 12A 4mA 2500:1 customized 0.2%
Q8-20 20A 24A 8mA 2500:1 customized 0.2%
Q8-5-1 5A 6A 5mA 1000:1 customized 0.2%
Q8-10-1 10A 12A 10mA 1000:1 customized 0.2%
Q8-20-1 20A 24A 20mA 1000:1 customized 0.2%
Q8-5-2 5A 6A 2.5mA 2000:1 customized 0.2%
Q8-10-2 10A 12A 5mA 2000:1 customized 0.2%
Q8-20-2 20A 24A 10mA 2000:1 customized 0.2%
Q8V1-5 5A 6A 50mV 2000:1 customized 0.2%
Q8V2-10 10A 12A 100mV 2000:1 customized 0.2%
Q8V3-20 20A 24A 200mV 2000:1 customized 0.2%
Q8V1-5-1 5A 6A 0.5V 2000:1 customized 0.2%
Q8V2-10-1 10A 12A 1V 2000:1 customized 0.2%
Q8V3-20-1 20A 24A 2V 2000:1 customized 0.2%

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