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The Testo 770 Hook-clamp Digital Multimeter (DMM) is ideally suited for electrical work in HVAC applications. The 770 series identifies the testing in-process and automatically selects the correct meter configuration which saves you time and increases your accuracy. Testo’s unique hooking clamp design can be used to separate then grab wires. The easy hook-off retractable post releases the wires when testing in tight spaces. You can safely work without using your hands. Features
  • Unique hook-on function separates and grabs wires without using your hands
  • Retractable post makes hook release fast and easy
  • Meter automatically identifies testing in-process and selects correct meter configuration to save time and optimize accuracy
  • Inrush (starting) current capture, APO (Auto Power Off, and Min/Max/Hold
  • Includes batteries and 1 set of measuring cables
Instrument Measurement Functions
  • Diode test: yes
  • Continuity Testing: yes
  • Display lighting: yes
  • Hold: yes
  • MinMax: yes
  • True RMS: yes
  • Inrush current measurement: yes
  • Display (counts): 4,000
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