supply of measuring instruments including survey instruments (other than electrical gauges, scales, measuringmeasuring instruments including survey instruments (other than electrical gauges, scales, measuring,measuring instruments including survey instruments (other than electrical gauges, scales, m easuring portable wheel diameter gauge, suitable for open wheel sets showing the reading of wheel diamet er directly on scale coated with anti reflection material for clear visibility. the gauges is suitable for open w heel set only. supplied in nicely wooden strong and transportation box with carrying handle specification m easuring ranges 800 to 1010 mm, measuring accuracy +0.1 mm, least count 0.1mm, make-pie, bpi tesa or any other reputed make along with 1)calibrated certificate from approved laboratory. 2) supplier must hav e successfully supplied any type wheel gauge to any depot of indian railways, offer will be passed on, if doc uments for successful supply not made available. ( warranty period : up to 30 months from the date of sup ply) [ warranty period: 30 months after the date of delivery ] ]