Vaiseshika Electron Devices supplies Industrial Kelvin Double Bridge. Vaiseshika Electron Devices Quality Management System is ISO 9001:2000 compliant. The Industrial Kelvin Double Bridge, Type: 9404 is an important instrument in the measurement of resistance as low as 0.2 micro ohms to highest value of 11 ohms. The Industrial Kelvin Bridges employ 10 Standard Resistors drawn from well aged manganin sheet having excellent stability & reproducibility. Manganin has the quality of very low temperature co-efficient, which is a critical parameter for resistance standards manufacturing. Four standard decade dials, ratio selector & plug keys facilitate accurate null detection.