Dual Display HVAC Clamp Meter

The UEI DL379B Dual Display HVAC Clamp Meter is a professional HVAC electrical testing instrument designed for fast, accurate diagnostics across air conditioning, refrigeration, heating and electrical service work. Built with a dual display, dual-level NCV detection and a CAT IV 300V / CAT III 600V safety rating, the DL379B is well suited to technicians working on compressors, motors, capacitors, control circuits and heating systems.

The DL379B measures up to 400A AC through the clamp jaw, with test lead measurement ranges up to 1000V DC and 750V AC. It also supports key HVAC functions including resistance up to 40MΩ, capacitance up to 2000µF, frequency up to 199.9kHz, duty cycle from 1.0% to 99.9%, and microamp measurement up to 2000µA AC/DC for flame sensor testing.

For temperature diagnostics, the meter includes a K-type temperature input with a measurement range of -30°C to 400°C. Practical jobsite features include auto/manual ranging, backlit display, worklight, min/max, hold, auto power off, low battery warning, magnetic mount and Hi/Lo alarm. It also includes test leads, batteries, a K-type temperature probe and carrying case.

Key Features

• Dual display HVAC clamp meter

• Dual-level NCV detection

• Safety rating: CAT IV 300V / CAT III 600V

• Clamp current: 400A AC

• Voltage: 1000V DC / 750V AC

• Resistance: 40MΩ

• Capacitance: 2000µF

• Frequency: 199.9kHz

• Duty cycle: 1.0% to 99.9%

• Microamps: 2000µA AC/DC

• Temperature: -30°C to 400°C with K-type input

• Continuity and diode testing

• Backlight, worklight, min/max and hold functions

• Magnetic mount and Hi/Lo alarm

• Includes test leads, AAA batteries, K-type temperature probe and case