Klein Tools CL390 AC/DC Digital Clamp Meter
AC/DC clamp meter with auto-ranging and TRMS for accurate current and voltage measurements. Includes NCVT tester, temperature via thermocouple, and multiple test functions; easy-to-read display in poor lighting, though readability may vary in sunlight
Highlights
- auto-ranging TRMS
- NCVT tester included
- comprehensive measurement functions
Pros
- auto-ranging TRMS measurements
- multifunction tester (voltage, current, resistance, continuity, frequency, capacitance)
- includes NCVT testing and temperature via thermocouple
- clear display for low-light conditions
Cons
- display readability affected by sunlight
- mixed feedback on auto-shutoff feature
- some users report occasional termination after long-term use
Best For
Features
- Measures AC/DC current and NCVT with clamp; also tests AC/DC voltage, resistance, continuity, frequency/duty cycle, DC microamps, diode test, capacitance, and temperature via thermocouple
- Non-contact voltage testing integrated into the clamp jaw for convenient electrical testing
- High-visibility reverse-contrast LCD display for easy viewing in varied lighting
- Auto-ranging and True RMS technology for precise measurements
- Side test lead holder with optional magnetic hanger for hands-free use
