IS 12888 : 1989 Optical and Mathematical Instruments - Short Range Infrared Distance Measuring Instruments - Specification

1 Scope

1.1 This standard covers the requirements of short rangeinfrared distance measuring instrument used for measuring distancesup to 2 km.

2 References

IS 988 :1959 General requirement foroptical components

IS 1399 :1959 Glossary of terms used inoptical technology

IS10236Procedure for basic climatic and durability tests foroptical instruments :

Part 2 :1982 Dry heat test

Part 3 :1982 Cold test

Part 6 :1982 Salt mist test

Part 11 :1985 Vibration test

Part 14 :1986 Driving rain test