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Uniquely designed to make clamping into difficult applications as simple as possible, the Testo 770-2 is an excellent choice for any professional electrician.
The 770-2 is the upgraded version of Testo's 770-1 clamp meter. The main difference between the two is the 770-2 includes a μA current measurement mode plus the ability to measure temperature via the use of a type K thermocouple.
Unlike other clamp meters on the market, the Testo 770-2 doesn't have standard jaws which open like a clamp. Instead, one side of the jaws snaps downwards, leaving you with a hook to slide around a wire. Once done, let go of the trigger and the side of the jaws will snap into place, completing the clamp. This makes it significantly easier to loop around smaller wires and connect in difficult applications, allowing you to work much more efficiently.
The Testo 770-2 includes a full suite of electrical measurement functions. It can test AC/DC current from 0.1 to 400A, voltage from 1mV to 600V (AC/DC) and also tests resistance, μA current, frequency, capacitance, temperature, continuity and diode.
To ensure accuracy when testing on irregular waveforms the Testo 770-2 is true RMS and always produces reliable results.
|Voltage Measurement Range||1mV to 600V AC/DC|
|Current Measurement Range||0.1 to 400A AC/DC||0.1 to 600A AC/DC|
|μA Measurement Range||-||0.1 to 400μA AC/DC|
|Resistance Measurement Range||0.1Ω to 40MΩ||0.1Ω to 60MΩ|
|Frequency Measurement Range||0.001Hz to 10kHz|
|Capacitance Measurement Range||0.001μF to 100μF||0.001μF to 60000μF|
|Temperature Measurement Range||-||-20 to +500°C|
|Bluetooth and Testo Smart Probes App||-||-||Yes|
|Measurement Category||CAT IV 600V
CAT III 1000V
|Operating Temperature||-10 to +50°C|
|Storage Temperature||-15 to +60°C|
|Dimensions||243 x 96 x 43mm (L x W x H)|
|Authorisations||TUV, CSA, CE|
|Standards||EN 61326-1, EN 61140|
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Review by Paul Story (Posted on 14/12/2018)
I purchased this meter due to the high spec and functions. I have had the meter a few weeks now and very happy. I have other Testo products. This meter is very good value for money.
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