BS 1041-7:1988

This standard BS 1041-7:1988 Temperature measurement is classified in these ICS categories:

• 17.200.20 Temperature-measuring instruments

This Part of BS 1041 provides guidance on “change of state” devices used to indicate the amount of heat work which the subject being considered has undergone. The two groups of change of state devices which are included are those which change shape or size and those which change colour.

Included in the former are the following:

1. pyrometric cones;
2. thermoscope bars;
3. Bullers rings.

Of the preceding, a) and b) change their shape during heating and c) change size.

The change of colour devices are:

1. temperature indicating paints;
2. reversible colour change indicators and paints;
3. temperature indicating labels.

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

Guidance on 'change of state' devices used to indicate the amount of heat work which the subject being considered has undergone. Two groups of devices are included, those which change shape or size and those which change colour.