AS 1031-1973

3 - AS 1031-1973 METAL-CASED MERCURY-IN-GLASS THERMOMETERS FOR USE IN THE DAIRYING INDUSTRY - METRIC UNITS
4 - PREFACE
5 - 1 SCOPE.
5 - 2 TEMPERATURE SCALE.
5 - 2.1 Range.
5 - 2.2 Graduation Interval.
5 - 3 MATERIALS.
5 - 3.1 Glass.
5 - 3.1.1 Basic requirements
5 - 3.1.2 Glass for the bulb
6 - 3.2 Metal.
6 - 3.2.1 For the case, scale plate and fittings
6 - 3.2.2 For the tail piece
6 - 4 CONSTRUCTION.
6 - 4.1 Thermometer Tube.
6 - 4.1.1 Shape
6 - 4.1.2 Capillary tube
6 - 4.1.3 Gas filling
6 - 4.1.4 Expansion or safety chamber
6 - 4.1.5 Enlargement of bore
6 - 4.1.6 Anchoring
6 - 4.2 Metal Case.
6 - 4.3 Tail Piece.
7 - 4.4 Scale Plate.
7 - 4.5 Loose Union Fitting.
7 - 5 GRADUATION AND FIGURING.
7 - 5.1 On the Thermometer Tube.
7 - 5.1.1 Length of scale
7 - 5.1.2 Style of graduation
7 - 5.1.3 Length of graduation lines
7 - 5.1.4 Quality and positioning of lines
8 - 5.2 On the Metal Scale Plate.
8 - 5.2.1 Frequency of lines and numerals
8 - 5.2.2 Positioning of lines and numerals
8 - 6 ACCURACY.
8 - 6.1 Scale Error.
8 - 6.2 Repeatability of Reading.
8 - 7 RESPONSE TIME.
8 - 8 MARKING.
11 - APPENDIX A - GLASSES FOR THE BULBS OF THERMOMETERS
13 - APPENDIX B - METHOD FOR THE DETERMINATION OF SCALE ERROR
13 - B1 APPARATUS.
13 - B2 PROCEDURE.
13 - B2.1 Range A Thermometers.
13 - B2.2 Range B Thermometers.
14 - APPENDIX C - METHOD FOR ASSESSING THE REPEATABILITY OF TEMPERATURE READINGS
14 - C1 APPARATUS.
14 - C2 PROCEDURE.
14 - C2.1 Range A Thermometers.
14 - C2.2 Range B Thermometers.