Wkldjf Voltages Detection Module 5 Channel 1.24V/2.5V/7.5V/5V/10V Voltages Reference Module Resistors Module For Computer

If you like to verifies the accuracy of handheld 4-1/2 digital multimeters, try to keep the same temperature and humidity as the data sheet specified Used to verifies the accuracy of handheld 4-1/2 digital multimeters, must keep the same temperature and humidity as the data sheet specified Used to verifies the accuracy of handheld 3-1/2 digital multimeters The pull switches can only keep ON each time, not two ON allowed at the same working time Try to verifies in a low air flows environment, try to avoid direct cold winding from the air conditioners as it may cause additional errors