Analogue Wheel Diameter Guage Folding Type (Portable) For Measuring Range O F 900Mm-1100Mm (Bg Locomotives) With Least Count Of 0.1Mm; Fitted With Vernier Scale Which Can Read Upto 0.1Mm Size Similar To Model No. Wd-1 Of Jyoti Industries Or Fully Equivalent. It Em To Be Supplied With Calibration Certificate Traceble To Nabl And To Be Enclosed In A Woo Den Box With Three Locking System For Safe Handling. Weight Of The Measuring Instrument Not To Exceed 4Kg. All Wheel Contact Parts To Be Made Of Alloy Steel. Item To Be Supplied Wi Th Calibrated Rod Of Standard Length And The Equipment To Have Overall Accuracy Of 0.1M M Or Better. [ Warranty Period: 30 Months After The Date Of Delivery ] ]