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Testo 0590 7701 770-1 - Hook clamp meter

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Original price $205.00
Current price $199.67
SKU 0590 7701
Currently 1 in stock.

Testo 0590 7701 770-1 - Hook clamp meter


The testo 770 series identifies the testing in-process and automatically selects the correct meter configuration, which saves you time and increases your accuracy.

The testo 770 series of instruments is rich in the features HVAC techs need and want, including TRMS, starting current, and frequency measurement.

The testo 770-1 hook clamp meter is ideally suited for electrical work in HVAC applications. Testo’s unique hooking clamp design can be used to separate and grab wires. The easy hook-off retractable post releases the wires when testing in tight spaces. You can safely work without using your hands.

Delivery Scope

testo 770-1 hook clamp meter 400 A, including test leads, 3 AAA batteries, instruction manual, quick start guide, and certificate of conformity
  • Unique hook-on function separates and grabs wires, without using your hands
  • Retractable post makes hook release fast and easy
  • Inrush (starting) current capture, APO (Auto Power Off), and Min / Max / Hold


Ideal for non-contact current measurement on tightly packed cables

  • Fully retractable pincer arm, auto AC/DC, large two-line display, true root mean square (TRMS) measurement, starting current measurement

Overview of applications

  • Current consumption measurement, testing voltage supply in live wires, measuring the ionization flow of heating systems, continuity tests on switching components, resistance measurement of sensors or motor windings


Data Sheet

Instruction Manual