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Digital Clamp meters

770-1 PN: 0590 7701

770-2 PN: 0590 7702

770-3 PN: 0590 7703

Digital clamp meters Testo 770 in comparison


Common Features: 

True RMS,  Measurement category: CAT IV 600 V CAT III 1,000 V,  Frequency measuring range: 0.001 Hz to 10 kHz

Voltage measuring range: 1 mV to 600 V AC/DC, Operating temperature: -10 to +50 °C,  Storage temperature: -15 to +60 °C, 

Dimensions: 243 x 96 x 43 mm (L x W x H) Weight: 378 g,  Authorizations: CSA, CE, Standards : EN 61326-1, EN 61140, 


Clamp meter Testo 770-1

Testo 770-1, TRMS clamp meter, including batteries and 1 set of measuring cables



Order no. 0590 7701

Voltage: 1 mV to 600 V

Current: 0,1 to 400 A

Resistance: 0,1 Ω to 40 MΩ

Frequency: 0,001 Hz to 10 kHz

Capacitance: 0,001 μF to 100 μF

Temperature: -

Measurement category: CAT IV 600 V; CAT III 1000 V

Clamp meter Testo 770-2

Testo 770-2, TRMS clamp meter, including batteries, 1 set of measuring cables and 1 x adapter for type K thermocouples


Order no. 0590 7702

Voltage: 1 mV to 600 V

Current: 0,1 to 400 A

Resistance: 0,1 Ω to 40 MΩ

Frequency: 0,001 Hz to 10 kHz

Capacitance: 0,001 μF to 100 μF

Temperature: -20 to +500 °C

Measurement category: CAT IV 600 V; CAT III 1000 V

Clamp meter Testo 770-3

Testo 770-3, TRMS clamp meter, including batteries and 1 set of measuring cables



Order no. 0590 7703

Voltage: 1 mV to 600 V

Current: 0,1 to 600 A

Resistance: 0,1 Ω to 60 MΩ

Frequency: 0,001 Hz to 10 kHz

Capacitance: 0,001 μF to 60000 μF

Temperature: -20 to +500 °C

Measurement category: CAT IV 600 V; CAT III 1000 V