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 |
