UEi DL379B Digital HVAC Clamp Meter


The DL379B clamp meter is designed specifically for HVAC applications and provides the accuracy, function range, and durability technicians need to diagnose a system’s electrical operation. The DL379B has a removable clamp head for use with optional current heads. Includes:

  • Test Leads
  • K-Type Temperature probe
  • 2 AAA Batteries
  • Manual
  • Zippered pouch


  • Dual display
  • High contrast backlit display
  • Detachable clamp head
  • Min/Max
  • Input jack lock
  • Worklight
  • Low battery display lock
  • Test lead storage
  • Magnetic mount
  • User temperature calibration
  • Auto power off
  • Test lead holder on clamp head
  • Compatible with common industry accessory heads


  • 750V AC/1000V DC
  • AC current: 2000µA
  • AC current (Clamp): 400A
  • Temperature range (K-Type): -22˚ to 752˚F (-30˚ to 400˚C)
  • Capacitance: 4000µF
  • Frequency/ Duty cycle
  • Resistance: 40MΩ
  • Diode test
  • Continuity
  • Non-contact voltage detection: 24V to 600V AC