BS 692:1990

This standard BS 692:1990 Specification for meteorological thermometers is classified in these ICS categories:

• 17.200.20 Temperature-measuring instruments

This British Standard range of meteorological thermometers comprises the following types. thermometers protected by glass sheaths and suitable for mounting in a louvred screen (see Figure 1).

NOTE The titles of the publications referred to in this standard are listed on the inside back cover.

Maximum, minimum and ordinary (i.e. wet and dry bulb) glass-sheathed thermometers suitable for mounting in a louvred screen. Comply with MOD and Meteorological Office requirements (Celsius scale) for worldwide use. Essential dimensions, maximum errors, specification for ethanol in spirit-filled thermometers. Requirements for Fahrenheit scale given in appendix.