Testo 770-1/-2/-3 Clamp Meter User Manual

About this manual

This manual provides instructions for safely operating Testo 770-1/-2/-3 clamp meters. It covers safety precautions, measurement procedures for current, voltage, resistance, and temperature, and maintenance. The 770-3 model includes Bluetooth® connectivity for data transmission. The device is rated CAT IV 600 V and must be used only for intended applications. This manual is written in Spanish.

What's inside

• Safety Information
• Operation According to Specifications
• Summary of Controls and Display
• Measuring Current
• Measuring Voltage
• Measuring Resistance, Capacitance, Continuity, and Diodes
• Measuring Power (770-3 only)
• Measuring Frequency
• Measuring Temperature (770-2/-3 only)
• Inrush Current Measurement

Specifications

Frequently asked questions

What is the measurement category of this meter?

CAT IV 600 V, suitable for low-voltage installations such as building mains, fuses, and meters.

What is the safety category for the instrument?

The instrument meets the CAT IV safety category with a nominal voltage of 600 V to ground.

What is the maximum AC voltage that is considered dangerous?

The dangerous AC voltage is 33 V.

What is the maximum DC voltage that is considered dangerous?

The dangerous DC voltage is 70 V.