supply of high availability single section digital axle counters ( hassdac ) with dual sensor system as per rdso / spn / 177 / 2012 version 3 or latest. this includes the supply of high frequency web mounting type tx coil / rx coil, vr / pr box duly wired, vital relays, pr relays, clamp with deflector plates & hardware. dual display reset box with auto resetting facility, surge voltage protection devices and filter card to be mounted on din rail etc as per oem for complete intallation & testing & commissioning of ( hassdac ) system note; one set of hassdac system will include equipment required to monitor one up line or one dn line of a full block section between two stations. inspection rdso [ warranty period: 30 months after the date of delivery ]