The KLEIN TOOLS CL390 is a professional-grade digital clamp meter built for accuracy, efficiency, and safety. With automatic range selection, this digital clamp meter allows technicians to take fast and reliable measurements without complicated adjustments, improving workflow on the job site.
Equipped with True RMS technology, this True RMS clamp meter delivers accurate readings even when measuring non-linear signals in modern electrical systems. It measures up to 400 A AC/DC, 600 V, and 40 MO, making it ideal for troubleshooting, maintenance, and electrical diagnostics.
This AC/DC clamp meter enables current measurement without breaking the circuit, enhancing safety and minimizing downtime. Its high-visibility backlit display ensures clear readings, while MAX/MIN, data hold, and frequency measurement functions support efficient diagnostics.
Rated CAT III 600 V and designed for durability, the CL390 is a dependable solution for residential, commercial, and industrial electrical applications.
Features:
- For residential, commercial, and industrial use
- Non-contact voltage tester integrated into the clamping jaw
- High-visibility reverse contrast LCD screen for better reading in all lighting conditions
- TRMS (True Root Mean Squared) measurement technology for greater accuracy
- Measures AC/DC and NCVT via clamp and AC/DC voltage, resistance, frequency, DC microamps, capacitance, duty cycle, diode test, and continuity via test leads
- Measures temperature with a type K thermocouple probe
- Auto power off after 10 minutes to preserve battery life
- Designed to withstand a drop of 6.6 feet (2 m)
Specifications:
- AC/DC Current: 400 A
- AC/DC voltage: 600 V
- Resistance: 40M Ohm
- True RMS
- Non-contact voltage test
- Temperature: -40°C to 1000°C
- Frequency/Duty Cycle
- Number of readings on LCD: 4000
- Auto scale
- Conservation of scale
- Data maintenance
- Audible continuity indicator
- Diode test
- Auto-off mode
- Safety Rating: CAT III 600 V
ETL certified
Included:
- Multimeter clamp
- Carrying case
- Test leads with CAT III/CAT IV safety caps
- Thermocouple
- Instructions
- AAA batteries
