The Weidmuller Volt Check 3.1 is a 2-pole voltage tester. This checks whether certain power points or circuits are voltage-free. The voltage tester is in the measurement categories CAT III 600 V and CAT IV 300 V. It has a high peak voltage resistance and is suitable for various application areas. So you use it for indoor equipment as well as the connections in buildings and at the source of low-voltage installations. You can read the height of the voltage at the LED lamp. In addition, you also measure temperatures of -15 to 50 degrees Celsius. With the Volt Check 3.1 you always keep your tension under control.