Mahr Metrology India Pvt. Ltd. Manufactures Precision Length Metrology Instrument. Mahr Metrology India Pvt. Ltd. Is an ISO9001:2008 and ISO 17025:2005 certified company that also manufactures products like Testing And Measuring Instruments, Stands, Sensors & Indicators, Micrometers, Pumps, Metering & Dosing Pumps, Ball Bearings, Measuring Instruments, Motor Controllers, Calipers Precision Length Metrology Instrument is a precise device used for absolute and relative measurement of precision products and test equipment. The Precision Length Metrology Instrument finds application in test equipment for the aerospace and automotive industry as well as testing of test equipment in calibration laboratories. The Precision Length Metrology Instrument is very accurate, reliable and compact.