Welcome to V5 GROUP - VIDIA LTD., the premier provider of industrial automation and quality control solutions. Introducing the ST-V1, a portable power supply test box for DC sensor inspection and calibration. Powered by 2 square 9V DC batteries, it features a two-color LED indicator and buzzer alert for convenient status updates. With direct wire connections for PNP/NPN and 2-wire sensors, the ST-V1 ensures seamless integration into your testing setup. Enhance your sensor inspection and calibration processes with this essential tool from V5 GROUP - VIDIA LTD.