Description
Description
In addition, more specialized applications can be handled using the clamp meter, such as starting current, power and µA measurements. The optionally available 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 App. In the App, the measurement curve can be displayed as a graph on your smartphone/tablet and directly documented in the report.
Technical data
Temperature – TC Type K (NiCr-Ni)
| Measuring range |
-20 to +500 °C
|
|---|---|
| Accuracy |
±1 °C (0 to +100 °C)
|
| Resolution |
0.2 °C
|
DC voltage
| Measuring range |
1.0 to 600.0 V
|
|---|---|
| Resolution |
max. 1 mV
|
| Accuracy |
± (0.8 % of mv + 3 Digit)
|
AC voltage
| Measuring range |
1.0 mV to 600.0 V
|
|---|---|
| Resolution |
max. 1 mV
|
| Accuracy |
± (1 % of mv + 3 Digit)
|
DC current
| Measuring range |
0.1 to 600.0 A (clamp)
0.1 to 600.0 μA (measuring cables)
|
|---|---|
| Resolution |
0.1 (clamp)
0.1 (measuring cables)
|
| Accuracy |
± (2 % of mv + 5 Digit) (measuring cables)
± (2 % of mv + 5 Digit) (clamp)
|
AC current
| Measuring range |
0.1 to 600.0 A (clamp)
0.1 to 600.0 μA (measuring cables)
|
|---|---|
| Resolution |
0.1 A (clamp)
0.1 μA (measuring cables)
|
| Accuracy |
± (2 % of mv + 5 Digit) (clamp)
± (1.5 % of mv + 5 Digit) (measuring cables)
|
Resistance
| Resolution |
max. 0.01 Ohm
|
|---|---|
| Measuring range |
0.01 to 60.0 MOhm
|
| Accuracy |
± (1.5 % of mv + 3 Digit)
|
Capacitance
| Resolution |
max. 0.01 nF
|
|---|---|
| Measuring range |
2 nF to 60.00 mF
|
| Accuracy |
± (1.5 % of mv + 5 Digit)
|
Frequency
| Resolution |
max. 0.1 Hz
|
|---|---|
| Measuring range |
0.01 Hz to 9999 kHz
|
| Accuracy |
± (1 % of mv + 1 Digit)
|
Active Power
| Measuring range |
0.1 W to 600 kW
|
|---|---|
| Accuracy |
± (5 % of mv + 5 Digit)
|
| Resolution |
0.1 W
|
Reactive Power
| Measuring range |
0.1 to 600.0 kvar
|
|---|---|
| Accuracy |
± (10 % of mv + 5 Digit)
|
| Resolution |
0.1 var
|
Apparent Power
| Measuring range |
0.1 VA to 600.0 kVA
|
|---|---|
| Accuracy |
± 1 Digit
|
| Resolution |
0.1 VA
|
Direct current DC Voltage
| Measuring range |
0.1 W to 600.0 kW
|
|---|---|
| Accuracy |
± 1 Digit
|
| Resolution |
max. 0.1 W
|
Power Factor
| Measuring range |
-1.00 to +1.00
|
|---|---|
| Accuracy |
± (10 % of mv + 5 Digit)
|
| Resolution |
0.01
|
General technical data
| Operating humidity |
0 to 80.0 %RH
|
|---|---|
| Weight |
378 g
|
| Dimensions |
249 x 96 x 43 mm
|
| Operating temperature |
-10 to +50 °C
|
| Connectable probes |
1 x temperature probe (adapter required for type K thermocouples)
|
| System requirements |
requires iOS 11.0 or newer; requires Android 6.0 or newer; requires mobile end device with Bluetooth 4.0
|
| Product colour |
Black
|
| Standards |
EN 61326-1; EN 61010-2-032; EN 61140
|
| Battery type |
3 AAA micro batteries
|
| Display type |
LCD (Liquid Crystal Display)
|
| Display size |
2 lines
|
| Interface |
2 measuring jacks
|
| Storage temperature |
-15 to +60 °C
|
| Overvoltage Category |
CAT IV 600V; CAT III 1000V
|
| Authorizations |
CSA; CE
|
| Internal_resistance |
11 MOhm (AC / DC)
|
Instrument Measurement Functions
| 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
|
| μA current measuring range |
yes
|
| Autom. measurement parameter detection |
yes
|
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