UDC 551.508.26 : 536.512/.513                         CHD 11

Reaffirmed 2017

1. Scope

This standard specifies requirements for maximum, minimum and ordinary (wet and dry bulb ) meteorological thermometers provided with suitable mounts for exposure in a louvered thermometer screen.

2. Referenced Documents

The following Indian Standards are necessary adjuncts to this standard:

321 : 1964 Absolute alcohol (first revision )

347 : 1975 Varnish, shellac, for general purposes (first revision )

4.51 : 1972 Technical supply condition for wood screws ( second revision )

2627 : 1979 Glossary of terms relating to liquid-in-glass thermometers (first revision )

4610 : 1968 Glass tubes for general purpose and reference thermometers

6274 : 1981 Method of calibrating liquid-inglass thermometers ( first revision )