The Testo 770 Hook-clamp Digital Multimeter is ideally suited for electrical work in HVAC/R applications. Testo's unique hooking clamp can be used to separate then grab wires. The easy hook-off retractable post releases the wires when testing is complete.
The Testo 770 Hook-clamp Digital Multimeter is ideally suited for electrical work in HVAC/R applications. Testo's unique hooking clamp can be used to separate then grab wires. The easy hook-off retractable post releases the wires when testing is complete.
Discontinued!
This product has been discontinued and is no longer available. There are no replacement options.
We can help you find what you need:
The 770 series identifies the testing in-process and automatically selects the correct meter configuration which saves you time and increases your accuracy.
Features
Applications
Electrical Contractors, HVAC/R Technicians, Plant Maintenance
Compare - Electrical Instrument Comparison| DC Voltage | |
| Resolution | 4.000V/1mV 40.00V/10mV 400.0V/100mV 600V/1V |
| Accuracy | ±(0.8% of mv + 3 Digit) |
| AC Voltage | |
| Resolution | 4.000V/1mV 40.00V/10mV 400.0V/100mV< 600V/1V |
| Accuracy | ±(1.0% of mv + 3 Digit) |
| DC Current | |
| Resolution | 400A/0.1A |
| Accuracy | ±(2% of mv + 5 Digit) |
| AC Current | |
| Resolution | 400A/0.1A |
| Accuracy | ±(2% of mv + 5 Digit) |
| Resistance | |
| Resolution | 400.0Ohm/0.1Ohm 4.000kOhm/1Ohm 40.00kOhm/10Ohm 400.0kOhm/100Ohm 4.000MOhm/1kOhm 40.000MOhm/10kOhm |
| Accuracy | ±(1.5% of mv + 3 Digit) |
| Capacitance | |
| Resolution | 51.20nF/0.01nF 512.0nF/0.1nF 5.120µF/0.001µF 51.20µF/0.01µF 100µF/0.1µF |
| Accuracy | ±(1.5% of mv + 3 Digit) |
| Frequency | |
| Resolution | 99.99Hz/0.01Hz 999.9Hz/0.1Hz 9.999kHz/1Hz |
| Accuracy | ±(0.1% + 1 Digit) |
| General Technical Data | |
| Storage Temperature | 5° to 140°F/-15 to +60°C |
| Overvoltage Category | CAT IV 600V; CAT III 1000V |
| Operating Temperature | 14° to 122°F/-10 to +50°C |
Click on a category to view a selection of compatible accessories with the Testo 770-1 Hook-clamp Digital Multimeter with TRMS, 400A AC/DC.
| DC Voltage | |
| Resolution | 4.000V/1mV 40.00V/10mV 400.0V/100mV 600V/1V |
| Accuracy | ±(0.8% of mv + 3 Digit) |
| AC Voltage | |
| Resolution | 4.000V/1mV 40.00V/10mV 400.0V/100mV< 600V/1V |
| Accuracy | ±(1.0% of mv + 3 Digit) |
| DC Current | |
| Resolution | 400A/0.1A |
| Accuracy | ±(2% of mv + 5 Digit) |
| AC Current | |
| Resolution | 400A/0.1A |
| Accuracy | ±(2% of mv + 5 Digit) |
| Resistance | |
| Resolution | 400.0Ohm/0.1Ohm 4.000kOhm/1Ohm 40.00kOhm/10Ohm 400.0kOhm/100Ohm 4.000MOhm/1kOhm 40.000MOhm/10kOhm |
| Accuracy | ±(1.5% of mv + 3 Digit) |
| Capacitance | |
| Resolution | 51.20nF/0.01nF 512.0nF/0.1nF 5.120µF/0.001µF 51.20µF/0.01µF 100µF/0.1µF |
| Accuracy | ±(1.5% of mv + 3 Digit) |
| Frequency | |
| Resolution | 99.99Hz/0.01Hz 999.9Hz/0.1Hz 9.999kHz/1Hz |
| Accuracy | ±(0.1% + 1 Digit) |
| General Technical Data | |
| Storage Temperature | 5° to 140°F/-15 to +60°C |
| Overvoltage Category | CAT IV 600V; CAT III 1000V |
| Operating Temperature | 14° to 122°F/-10 to +50°C |
Click on a category to view a selection of compatible accessories with the Testo 770-1 Hook-clamp Digital Multimeter with TRMS, 400A AC/DC.
