Testo 770-3 Digital Hook Clamp Meter TRMS Wireless

A bit big but a great all around hvac meter. Bluetooth is nice if you need an accurate amp draw on s blower motor..

This Clamp meter has been working perfectly. has been in constant use for many months with no issues. Best unit we've used purchased EVER.

Testo 770-3 all of the functions work well with no issues. I am using this for hvac work. It meets and exceeds needs there. The reason for 4 stars instead of five is due to the lack of place for magnetic strap to hand meter and the plastic the case is made of feels cheep like abs plastic. All and all functions work well

Meter works great. Highly recommend it.

I’ve been a fan of Testo since my purchase of the 557 gauge manifold 3 years ago. The best part about this meter right off the bat is the amp clamp. It is so easy to get this around wires in tiny heat pump compartments. I love that it does microfarads, diodes, Watts, hertz, and all of the basics. Only minor issue is that the auto function doesn’t always pick the right measurement. For instance if I am checking resistance on auto, it shows a microfarad reading. Really not a big deal to be honest, because you can just manually select the function you want. All in all, I’ve been going for testo more and more ever since my Fluke 902 broke after 6 months of use. I’ve been nothing but happy with my Testo products.

I’ve had these for 3 years now and this meter is equal to fluke 902fc with all HvacR tech applications. Very accurate and comfortable in your hand. Clamp Is great hooking wires in tight spaces. Highly HIGHLY recommend to any Hvac guys. Commercial Hvac tech here.Bluetooth works good. Can only go about 25’ however the app is very use friendly. Batteries last forever.

It take a little time to get use to the meter. Once your comfortable with the setting it works well. I owned several meters flukes and field piece. This meter is better than the field piece. Fluke easy to use and a little better. The Bluetooth pretty cool features

Please read. If you receive a broken meter like I had received be aware you will be waiting months to receive it back from the main Corp. I received my meter way late. Thought the package was lost. The meters display was no good, I sent it over to the Corp in Sparta NJ. Just got an email that I will not be getting my new testo 770-3 meter until FEBRUARY... I sent them this meter November 24!!!! At this point I will wait until I get the meter back to give it away. I’ll stick with a better company such as fieldpiece or fluke, seems that testo had a lot of issues internally when there equipment malfunctions. Best of luck

Strommessung am schlagenden Strom"herz" klappt sehr gut. Zusätzlich automatische Messungen von Wiederstand oder Kapazität.

La pince a été testée sur des charges inductives et résistives de quelques kW et kVA. résultats sont conformes.

La mejor que he probado. Increíble

Easy to use,make life easier

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