Testo 770-1 Clamp Meter

$332.00 + Freight & GST

Key Features:

Fully retractable pincer arm for maximum flexibility

Instrument switches on automatically

Current & Voltage measurement

Cat 3 | Cat 4 rated.


The testo 770 Hook-clamp Digital Multimeter (DMM) is ideally suited for electrical work in HVAC applications. 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.

Key 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)

General technical data

Technical data
Warranty 2 years
Storage temperature 5° to 140 °F / -15 to +60 °C
Weight 13 oz. / 378 g
Overvoltage Category CAT IV 600V; CAT III 1000V
Authorizations TÜV; CSA; CE
Dimensions 10 x 4 x 2 in. / 243 x 96 x 43 mm
Operating temperature

Instrument and measurement functions

Technical data
Diode test yes
Continuity Testing yes
Display ligthing yes
Hold yes
MinMax yes
True RMS yes
Inrush current measurement yes
Display (counts) 4,000
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