Q70 High accuracy oscilloscope measuring clamp on current probe

oscilloscope clamp on current probe

The model Q70 oscilloscope current probe, it is suitable for 0-1000A current measurement, both cable and copper bus bar online measurement. Its core is made by Permalloy, the influence of external magnetic field is very small, which ensures the high accuracy, high stability and high reliability of uninterrupted measurement long time. The Q70 oscilloscope current clamp could output current and voltage signal, the range, transformation ratio can be customized, with BNC connector. Conforms to EN 61010-1, EN 61010-2-032, IEC61869-2 & IEC60044-1 Standard.



  • Measurement range of 1mA to 1000A AC;
  • Frequency 10Hz-2MHz Bandwidth;
  • High precision 0.1% for current measurement;
  • Low phase shift for power measurement;
  • Improved ergonomic design & easy operation;
  • High content permalloy core;
  • Copper bus bar measurement;
  • Holding wire diameter: φ60mm×70mm;
  • Conforms to EN 61010, 600V CAT III;
  • Industrial design & beautiful appearance;
  • Designed for recorders, loggers, oscilloscopes, power and harmonic meters;
  • UL, CE CNAS mark;


  • Oscilloscopes meter;
  • Data logging/recording;
  • Cable fault analysis;
  • Power meter;
  • Large industrial loads;
  • Electric energy meter tester (on site);
  • Power quality analyzer;
  • Power and harmonic meters;
  • Power load monitoring;
  • Power quality monitoring;
  • CT primary current detection;
  • Phase volt-ampere meter;
  • Measuring around cable bundles;
  • Earth resistance meter;
  • Energy sub-meters;
  • Digital multi-meter;
  • Multi-function energy meter;


Electrical parameters
Ratio 200:1, 1000: 1 or 2000:1 (customized)
Accuracy class 0.2%, 0.5%, 1%
Primary current 0 - 1000A AC
Secondary current 0 - 1A AC , 0 - 5A AC (customized)
Max. Cont. Input current 1200A
Load capacity ≤2.5VA or 4Ω
Over voltage category CAT III 600V
Output signal (AC current) 500mA,1A,5A AC at nominal input current
Output signal (AC voltage) 500mV,1V,5V AC at nominal input current
Frequency range 10Hz-2MHz
Dielectric strength 3KV 50Hz/60Hz at 1 minute
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 BNC, 4mm banana, signal cable(2 cores),customized
Mechanical parameters
Dimensions (L x W x H) (mm) 122 x 275 x 35.5
Weight (g) 720
Holding wire diameter (mm) φ60 x 70
Max. jaw opening (mm) 60
Jaw color White
Material PC+ABS, UL94 V0
Notes: Can be customized current probe according to user requirements!


Model Rate Current Max Current Secondary Coil Ratio Burden Resistance Accuracy
Q70A5-200 200A 240A 5A 40:1 2.5VA 0.5%
Q70A5-300 300A 360A 5A 60:1 2.5VA 0.5%
Q70A5-400 400A 480A 5A 80:1 2.5VA 0.5%
Q70A5-500 500A 600A 5A 100:1 2.5VA 0.5%
Q70A5-600 600A 720A 5A 120:1 2.5VA 0.5%
Q70A5-800 800A 960A 5A 160:1 2.5VA 0.5%
Q70A5-1000 1000A 1200A 5A 200:1 2.5VA 0.5%
Q70A1-100 100A 120A 1A 100:1 customized 0.2%
Q70A1-200 200A 240A 1A 200:1 customized 0.2%
Q70A1-300 300A 360A 1A 300:1 customized 0.2%
Q70A1-400 400A 480A 1A 400:1 customized 0.2%
Q70A1-500 500A 600A 1A 500:1 customized 0.2%
Q70A1-600 600A 720A 1A 600:1 customized 0.2%
Q70A1-800 800A 960A 1A 800:1 customized 0.2%
Q70A1-1000 1000A 1200A 1A 1000:1 customized 0.2%
Q70A2-1000 1000A 1200A 500mA 2000:1 customized 0.2%
Q70A3-1000 1000A 1200A 400mA 2500:1 customized 0.2%
Q70A4-1000 1000A 1200A 250mA 4000:1 customized 0.2%
Q70V1-1000 1000A 1200A 1V 1000:1 customized 0.2%
Q70V2-1000 1000A 1200A 5V 1000:1 customized 0.2%
Q70V3-1000 1000A 1200A 10V 1000:1 customized 0.2%

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