HA5 - 5 Amp High Accuracy Current Probe


Our HA5 Current Probe covers the measurement range from 20 milliamps to 5 amps, making it the best choice for measuring very small loads and the outputs of CT (Current Transformer) step-down circuits.


The HA5 Current Probe is the best choice for measuring very small loads and the outputs of Current Transformer (CT) step-down circuits.


  • Designed to monitor permanently mounted CTs (Current Transformers), the range of 20 milliamps to 5 amps gives the best resolution and accuracy for measurement circuits and step-down transformers.
  • The range from 20 milliamps to 5 amps is a great choice for accurate high-resolution monitoring of small 3 phase loads. [NOTE: For high accuracy non-intrusive testing of single phase loads, use the 120ADP accessory, for high accuracy of very small loads (down to 2 milliamps) use the HA-GFD].
  • The compact size of the HA5 allows it to be used in very confined spaces.
  • The light weight and special measurement range of the HA5 makes it a great choice for a second set of current measurement probes for your analyzer.


Category Notes
Measurement Ranges: 20 milliamps to 5 Amps AC
Accuracy/Linearity: +/- 1% of reading +/- 0.002 amps over measurement range
Frequency Response: +/- 1% from 50Hz to 3000Hz
Inside Diameter: 0.8 inch diameter
Outside dimensions: 5.25 x 2.1 x 1.35 inches
Cable Length: 2 meters (6 feet).
Voltage Rating: 600V CAT III
Power Requirements: no external power required

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