Easy to operate thanks to the fully retractable pincer arm

Auto AC/DC and large two-line display

Improved TRMS method

Bluetooth connection to your smartphone (with the testo Smart App)

Non-contact measurement on tightly packed cables is really easy and reliable with the testo 770-3 clamp meter. Its innovative grab mechanism will make your work easy. The most powerful model in the clamp meter series, it offers lots of additional functions for those challenging tasks that you are faced with on a daily basis, e.g. communication with the testo smart app via Bluetooth.

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All electrical components must be installed by a qualified electrician, and all technical products should be installed by a professional technician.

PCB returns will not be accepted once theseal is broken.

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