TRMS AC/DC measurement
Verified product information
True RMS AC/DC clamp meter with Bluetooth
Up to 1000 V AC/DC · Type K to +500 °C · Bluetooth · retractable pincer arm

Product overview
Up to 1000 V AC/DC · Type K to +500 °C · Bluetooth · retractable pincer arm
Key capabilities
testo 770-3
Retractable pincer arm for tightly packed cables
Automatic AC/DC and parameter selection
Bluetooth connection to testo Smart App
Type K temperature measurement with optional adapter
Technical specifications
7 Technical specifications
Parameters shown here are taken from the product information supplied by Hadrick Technology.
- Order Number
- 0590 7703 02 (China-market version)
- DC Voltage
- 1.0 to 1000.0 V
- AC Voltage
- 1.0 mV to 1000.0 V
- Temperature Range
- -20 to +500 °C with Type K probe
- Temperature Accuracy
- ±1 °C (0 to +100 °C)
- Functions
- TRMS, starting current, power, µA, resistance, continuity, diode and capacitance
- Connectivity
- Bluetooth to testo Smart App and compatible Testo instruments
testo 770-3
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Up to 1000 V AC/DC · Type K to +500 °C · Bluetooth · retractable pincer arm