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TA138 AC Current Clamp

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4mm Banana Plug - 1mV/A Output

US Prices
CDN Prices

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Current probes (clamps)

Clamp-on current probes or “current clamps” enable you to measure currents without breaking the electrical circuit. Current clamps are designed with jaws that can be opened, placed around the conductor and clamped closed to form a magnetic loop around the conductor.

Current clamps offer a safe, cost-effective, simple and accurate way to take current measurements.

Our range of current clamps can be used with Pico Oscilloscopes and Pico Data Loggers, as well all major brands of oscilloscopes and multimeters.

 Return to Current probes (clamps)

200 A AC current clamp (4 mm)

The TA138 is a current clamp for AC-only current measurements. Its single range is capable of measurements from 0.1 A to 200 A. Ideally suited for use with the PicoLog CM3. Supplied with 4 mm (banana) plug type connectors.


Range (1 mV/A) 0.1 A to 200 A AC RMS
Accuracy ±2%, ±0.5 A
Maximum output impedance 1 kΩ
Bandwidth 40 to 400 Hz
Maximum conductor size 16 mm
Operating environment 0 °C  to 50 °C
Storage environment –30 °C  to 60 °C
Dimensions (W x L x D) 111 x 50 x 33 mm
(approx 4.3 x 1.9 x 1.3 in)
Weight 129 g
(approx 4.5 oz)
Standards IEC1010-1 (1995)
EN61010-1 (2001) Category II 600 V Category III 300 V


Buy the TA138 Online:



USA Office

Address: 1480 Gulf Road, Suite 837,
PO Box 1364
Point Roberts, WA 98281

Western Canada - Vancouver BC

Tel:1.800.663.6001 or 1.604.925.6150
Address: 2454 Haywood Ave
West Vancouver, BC V7V 1Y1

Eastern Canada - Markham, Ontario

Tel:1.800.465.0164 or 1.905.513.7027