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Datasheet Testo 770-1 (EN) | Instruction Manual Testo 770-1 (EN)
The professional clamp meter Testo 770-1 is ideally suited for non-contact current measurement on tightly packed power cables or conductors with small diameters. The unique movable pincer arm can be fully retracted into the instrument, enabling users to grab individual cables inside tight switching cabinets easily and safely. Operating with full automated efficiency, it automatically detects and selects AC/DC settings, resistance, continuity, diode, and capacitance variables while supporting immediate tracking of machinery starting current profiles.
B2B Industrial Applications
- Switching Cabinet Commissioning: Retracting the pincer arm to hook and measure individual tightly packed conductors without electrical contact disruption.
- Electric Motor Maintenance: Registering peak load fluctuations and electrical starting current anomalies during machine activation sequences.
- HVAC Facility Infrastructure: Executing comprehensive check measurements on circuit capacitance and line continuity within automated control racks.
Technical Specifications
| Voltage Measuring Range | 1.0 mV to 600.0 V AC / DC |
| Current Measuring Range | 0.1 to 400 A AC / DC |
| Resistance Measuring Range | 0.1 Ohm to 40.00 MOhm |
| Capacitance Measuring Range | 0.01 nF to 100.0 microF |
| Automated Operation | Auto detection for AC/DC, resistance, continuity, diode, and capacitance |
| Overvoltage Category Rating | CAT IV 600V |
| Internal Input Resistance | 11 MOhm (AC / DC) |
| Compliance Standards | EN 61326-1, EN 61010-2-032, EN 61140 |
| Battery Type / Weight | 3x AAA micro / 378 g |
Package Contents
- Testo 770-1 electrical clamp meter
- 1x set of high-grade measuring cables
- Calibration protocol
- 3x AAA batteries