TESTO 770-1 - TRMS CLAMP METER 0590 7701
The TESTO 770-1 clamp meter (catalog number 0590 7701) is an advanced measuring tool designed for professionals working with electrical installations, especially in the HVAC/R sector.
Thanks to its innovative clamp mechanism, which allows one arm to be fully inserted into the device housing, users gain a hook function, making it easier to grasp individual wires in densely packed installations.
The TESTO 770-1 automatically detects the type of current being measured—DC or AC—eliminating the need for manual mode switching. Additionally, the meter offers measurement of other electrical parameters such as resistance, continuity, diode testing, and capacitor capacitance. All results are displayed on a large, backlit, dual-line LCD, ensuring readability even in low-light conditions.
The device features True RMS measurement, ensuring accuracy even with distorted signals. The measurement range for both DC and AC current is from 0.1 A to 400 A, and voltage from 1 mV to 600 V. Moreover, the TESTO 770-1 allows for inrush current measurement, which is particularly useful for analyzing electrical devices during startup.
The TESTO 770-1 clamp meter is a reliable and versatile tool that significantly simplifies daily measurement tasks in electrical installations. Its innovative features and ergonomic design make it an invaluable support for every electrician.
DC voltage | |
Measuring range (DC): | 1,0 mV do 600,0 V |
Resolution (DC): | max. 0,1 A |
Accuracy (DC): | ± (0.8 % of mv + 3 Digits) |
AC voltage | |
Measuring range (AC): | 1 mV do 600 V |
Resolution (AC): | max. 1 mV |
Accuracy (AC): | ± (1.0 % of mv + 3 Digits) |
DC current | |
Measuring range (DC current): | 0,1 do 400 A |
Resolution (DC current): | max. 0,1 A |
Accuracy (DC current): | ± (2.0 % of mv + 5 Digits) |
AC current | |
Measuring range (AC current) : | 0,1 do 400 A |
Resolution (AC current): | max. 0,1 A |
Accuracy (AC current) : | ± (2.0 % of mv + 5 Digits) |
Resistance | |
Measuring range (resistance) : | 0,1 Om do 40,00 MOm |
Resolution (resistance): | max. 0,1 Om |
Accuracy (resistance) : | ± (1.5 % of mv + 3 Digits) |
Capacitance | |
Measuring range (capacitance) : | 0,01 nF do 100,0 μF |
Resolution (capacitance): | max. 0,01 nF |
Accuracy (capacitance) : | max. ± (1.5 % of mv + 5 Digits) |
General Specifications | |
Temperature: | -10 do +50 °C |
Instrument measurement functions: | diode test, continuity testing, display ligthing, hold, min/max, true RMS, inrush current measurement, autom. measurement parameter detection |
Pictures: | illustrative |
Manufacturer/responsible entity in the EU : | Testo Sp. z o.o. ul. Wiejska 2 05-802 Pruszków Polska +48 22 863 74 22 +48 22 863 74 01 testo@testo.com.pl |
