Sigma Electro Systems offers Inertial Vertical Gyro System Tester. Sigma Electro Systems is an ISO 9001:2000 accredited company. Inertial Vertical Gyro System Tester is used for various tests such as vertical gyro longitudinal [pitch] & lateral [roll] erection, phase sequence test of vertical gyros, gyro horizon indicator & signal distribution, AGD-1 gyro horizon along with vertical gyro & indicators. Inertial Vertical Gyro System Tester is useful in checking the main parameters of the AGB-3 gyro horizons, BSPK-1 units and serviceability of signal distributor follow-up systems.