The 770 series identifies the testing in-process and automatically selects the correct meter configuration which saves you time and increases your accuracy.
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Product Description
The 770 series identifies the testing in-process and automatically selects the correct meter configuration which saves you time and increases your accuracy.
The 770 series of instruments are rich in the features HVAC techs need and want including TRMS, starting current, and frequency measurement.
Delivery Scope
testo 770-1 hook-clamp digital multimeter 400 A with TRMS and Inrush includes batteries and 1 set of measuring cables
DC voltage
| Resolution | 4.000 V / 1 mV 40.00 V / 10 mV 400.0 V / 100 mV 600 V / 1 V |
| Accuracy | ±(0.8 % of mv + 3 Digit) |
AC voltage
| Resolution | 4.000 V / 1 mV 40.00 V / 10 mV 400.0 V / 100 mV 600 V / 1 V |
| Accuracy | ±(1.0 % of mv + 3 Digit) |
DC current
| Resolution | 400 A / 0.1 A |
| Accuracy | ±(2 % of mv + 5 Digit) |
AC current
| Resolution | 400 A / 0.1 A |
| Accuracy | ±(2 % of mv + 5 Digit) |
Resistance
| Resolution | 400.0 Ohm / 0.1 Ohm 4.000 kOhm / 1 Ohm 40.00 kOhm / 10 Ohm 400.0 kOhm / 100 Ohm 4.000 MOhm / 1 kOhm 40.000 MOhm / 10 kOhm |
| Accuracy | ±(1.5 % of mv + 3 Digit) |
Capcitance
| Resolution | 51.20 nF / 0.01 nF 512.0 nF / 0.1 nF 5.120 μF / 0.001 μF 51.20 μF / 0.01 μF 100 μF / 0.1 μF |
| Accuracy | ±(1.5 % of mv + 5 Digit) |
Frequency
| Resolution | 99.99 Hz / 0.01 Hz 999.9 Hz / 0.1 Hz 9.999 kHz / 1 Hz |
| Accuracy | ±(0.1 % + 1 Digit) |
General technical data
| Dimensions | 10 x 4 x 2 in. / 243 x 96 x 43 mm |
| Operating temperature | 14° to 122 °F / -10 to +50 °C |
| 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 |
Instrument Measurement Functions
| Diode test | yes |
| Continuity testing | yes |
| Display ligthing | yes |
| Hold | yes |
| MinMax | yes |
| True RMS | yes |
| Inrush current measurement | yes |
| Display (counts) | 4,000 |
Hotline：08620-36453501
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