The Klein Tools CL320 is a TRMS auto-ranging clamp meter built for HVAC work, with a non-contact voltage tester built right into the clamp jaw for a quick energized check before opening anything up.
- Measures: AC current and NCVT (clamp); AC/DC voltage, resistance, frequency, DC microamps, capacitance, duty cycle, diode test, continuity (test leads); temperature (K-type thermocouple)
- Safety rating: CAT III 600V, Class 2, double insulation
- Includes: carrying case, test leads with CAT III/CAT IV safety caps, thermocouple, 3 AAA batteries
- Drop tested to 6.6 feet (2 m)
Best for: HVAC technicians who need one meter for clamp-on current readings, a quick non-contact voltage check, and full multimeter functions including temperature.