In addition, more specialized applications can be handled using the clamp meter, such as starting current, power and A measurements. The supplied temperature adapter for thermocouple probes can be used to measure electrical parameters as well as temperatures (compatible type K thermocouple probe can be ordered separately).
The clamp amperemeter automatically detects and selects AC/DC and other parameters, such as resistance, continuity, diode and capacitance,. This makes operation easier and more reliable than ever before. Your readings are clearly and distinctly presented on the two-line display. In addition to this, the testo 770-3 offers a performance measurement function and can be connected via Bluetooth to the testo Smart Probes App. In the App, the measurement curve can be displayed as a graph on your smartphone/tablet and directly documented in the report.
Temperature - TC Type K (NiCr-Ni) | |
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Measuring range | -20 to +500 C |
Accuracy | 1 C (0 to +100 C) |
Resolution | 0.2 C |
General technical data | |
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Dimensions | 243 x 96 x 43 mm |
Operating temperature | -10 to +50 C |
Storage temperature | -15 to +60 C |
Weight | 378 g |
Overvoltage Category | CAT IV 600V; CAT III 1000V |
Authorizations | TV; CSA; CE |
DC voltage | |
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Measuring range / Resolution | 6.000 V / 1 mV 60.00 V / 10 mV 600.0 V / 100 mV |
Accuracy | (0.8 % of mv + 3 Digit) |
AC voltage | |
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Measuring range / Resolution | 6.000 V / 1 mV 60.00 V / 10 mV 600.0 V / 100 mV |
Accuracy | (0.8 % of mv + 3 Digit) |
DC current | |
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Measuring range / Resolution | 600 A / 0.1 A |
Accuracy | (2 % of mv + 5 Digit) |
AC current | |
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Measuring range / Resolution | 600 A / 0.1 A |
Accuracy | (2 % of mv + 5 Digit) |
Resistance | |
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Measuring range / Resolution | 60.00 Ohm / 0.01 Ohm 600.0 Ohm / 0.1 Ohm 6.000 kOhm / 1 Ohm 60.00 kOhm / 10 Ohm 600.0 kOhm / 100 Ohm 6.000 MOhm / 1 kOhm 60.00 MOhm / 10 kOhm |
Accuracy | (1.5 % of mv + 3 Digit) |
Capacitance | |
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Measuring range / Resolution | 6.000 nF / 0.001 nF 60.00 nF / 0.01 nF 600.0 nF / 0.1 nF 6.000 F / 0.001 F 60.00 F / 0.01 F 600.0 F / 0.1 F 6.000 mF / 1 F 60.00 mF / 10 F |
Accuracy | (1.5 % of mv + 5 Digit) |
Frequency | |
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Measuring range / Resolution | 99.99 Hz / 0.01 Hz 999.9 Hz / 0.1 Hz 9.999 kHz / 1 Hz |
Accuracy | (1.0 % of mv + 1 Digit) |
Instrument Measurement Functions | |
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Diode test | yes |
Continuity testing | yes |
Display ligthing | yes |
Hold | yes |
MinMax | yes |
Power Measurement | yes |
Temperature measurement with adapter | yes |
True RMS | yes |
Inrush current measurement | yes |
Bluetooth | yes |
Display (counts) | 6,000 |