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0590 7701
testo 770-1 - Hook clamp meter
0590 7701
testo 770-1 - Hook clamp meter
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.
- 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
The testo 770 series of instruments is rich in the features HVAC techs need and want, including TRMS, starting current, and frequency measurement.
DC voltage
AC voltage
DC current
testo 770-1 hook clamp meter 400 A, including test leads, 3 AAA batteries, instruction manual, quick start guide, and certificate of conformity
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
