ASME B40.200 2008 R2013
$98.04
ASME B40.200 Thermometers, Direct Reading and Remote Reading – Reaffirmed: 2013
| Published By | Publication Date | Number of Pages |
| ASME | 2008 | 96 |
This standard is a consolidation and revision of four individual standards B40.3, Bimetallic Actuated Thermometers, B40.4, Filled System Thermometers, B40.8, Liquid-in-Glass Thermometers and B40.9, Thermowells for Thermometers and Elastic Temperature Sensors. These individual standards provide terminology and definitions, dimensions, safety, construction and installation issues, test procedures and general recommendations.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 5 | CONTENTS |
| 6 | FOREWORD |
| 7 | ASME B40 COMMITTEE Standards for Pressure and Temperature Instruments and Accessories |
| 8 | CORRESPONDENCE WITH THE B40 COMMITTEE |
| 9 | ASME B40.3 |
| 10 | BIMETALLIC ACTUATED THERMOMETERS 1 SCOPE 2 TERMINOLOGY AND DEFINITIONS |
| 13 | 3 GENERAL RECOMMENDATIONS 3.1 Case Dial Sizes 3.2 Stem Length 3.2.1 Industrial Applications 3.2.2 Laboratory Application. |
| 14 | 3.2.3 Pocket Thermometer. 3.3 Stem Diameter 3.3.1 Industrial Applications. 3.3.2 Laboratory and Pocket Thermometer Applications. 3.4 Typical Ranges 3.4.1 Industrial and Commercial Applications 3.4.2 Laboratory and Pocket Thermometer Applications 3.5 Construction See Fig. 4 3.5.1 Case 3.5.1.1 General. 3.5.1.2 Case Closure. 3.5.2 Indication Adjustment. 3.5.3 Dials 3.5.3.1 Units. 3.5.3.2 Graduations. 3.5.3.3 Anti-Parallax Dial. 3.5.4 Pointer. 3.5.5 Connector 3.5.5.1 Connector Location. 3.5.5.2 Connector Type. |
| 15 | 3.5.6 Stop Pin. 3.5.7 Window 3.5.7.1 Laminated Glass 3.5.7.2 Heat-Treated Glass. 3.5.7.3 Plastic. 3.5.7.4 Plain Glass. 3.5.8 Stem 3.5.8.1 General. 3.6 Accuracy 3.6.1 3.6.2 3.6.3 3.6.4 3.6.5 3.7 Response Time |
| 17 | 4 SAFETY 4.1 Scope 4.2 General Discussion 4.2.1 4.2.2 4.2.3 4.2.4 4.2.5 4.3 Safety Recommendations 4.3.1 4.3.2 4.3.3 4.3.4 |
| 18 | 4.4 Reuse of Thermometers 5 SELECTION CRITERIA 6 TEST PROCEDURES 6.1 Scope 6.2 Accuracy 6.2.1 Purpose. 6.2.2 Procedure 6.3 Under-/Over-Temperature 6.3.1 Purpose. 6.3.2 Procedure |
| 19 | 6.4 Storage 6.4.1 Purpose. 6.4.2 Procedure 6.5 Load 6.5.1 Purpose. 6.5.2 Procedure 6.6 Vibration 6.6.1 Purpose. 6.6.2 Procedure 6.7 Hermetic Seal 6.7.1 Purpose. 6.7.2 Procedure 7 REFERENCES |
| 22 | NONMANDATORY APPENDIX A BIMETALLIC ACTUATED THERMOMETERS SUPPLEMENTARY INFORMATION A-1 SCOPE A-2 GENERAL REQUIREMENTS A-2.1 Case Dial Sizes A-2.2 Stem Length A-2.3 Stem Diameter A-2.4 Ranges A-2.5 Construction A-2.5.1 Case. A-2.5.2 Dial. A-2.5.2.1 Markings. A-2.5.3 Window. |
| 23 | A-2.5.4 Gaskets. A-2.5.5 Pointers. A-2.5.6 Reset Knob. A-2.5.7 Stem. A-2.5.8 Jam Nut. A-2.5.9 Mounting Bracket. A-2.6 Thermowells A-2.7 Cleaning and Packaging A-3 TEST PROCEDURES AND REQUIREMENTS A-3.1 Responsibility for Inspection A-3.1.1 Responsibility for Compliance. |
| 24 | A-3.2 Classification of Inspections A-3.2.1 Qualification Inspection. A-3.2.1.1 Sample Size. A-3.2.2 Conformance Inspection. A-3.3 Acceptance Criteria A-3.4 Accuracy A-3.4.1 Repeatability. A-3.5 Inclination A-3.6 Thermal Response A-3.6.1 Response Time. A-3.6.2 Temperature Bath. |
| 26 | A-3.6.2.1 Set Up. A-3.6.3 Determining Response Time. A-3.6.4 Conducting Test. A-3.7 Load A-3.8 Enclosure Leakage A-3.9 Fog A-3.10 Vibration A-3.10.1 Exploratory Vibration. |
| 28 | A-3.10.2 Vibration Endurance. A-3.10.2.1 Bimetallic Element. A-3.10.2.2 Component Wear. A-3.11 Shock A-4 ORDERING PARAMETERS A-4.1 Acquisition Requirements A-4.2 Part Identifying Number PIN Parameters A-4.2.1 Part Identifying Number PIN Format. A-4.2.2 Design. A-4.2.3 Dial Size. |
| 29 | A-4.2.4 Range. A-4.2.5 Case Form. A-4.2.6 Stem Length. A-4.3 Ammunition and Pyrotechnic Space Temperature Measurement A-5 REFERENCES |
| 30 | ASME B40.4 |
| 31 | FILLED SYSTEM THERMOMETERS 1 SCOPE 2 CLASSIFICATION 2.1 Classifications Defined 2.1.1 Class 1. 2.1.1.1 Class 1A. 2.1.1.2 Class 1B. 2.1.2 Class 2. 2.1.2.1 Class 2A. 2.1.2.2 Class 2B. 2.1.2.3 Class 2C. 2.1.2.4 Class 2D. 2.1.3 Class 3. |
| 34 | 3 TERMINOLOGY AND DEFINITIONS |
| 39 | 4 INSTALLATION 4.1 General 4.1.1 4.1.2 4.1.3 4.1.4 4.2 Installation Procedure 4.2.1 Placement. 4.2.2 Direct Reading Thermometer. 4.2.3 Remote Reading Thermometer. 4.3 Vapor Thermometer Bulb Orientation |
| 41 | 5 ACCURACY See Para. 8.2 5.1 Grade 5.2 Factors Affecting Accuracy 5.2.1 Bulb Temperature. 5.2.2 Indicating Head Temperature. 5.2.3 Capillary Temperature. 5.2.4 Bulb Immersion. 5.2.5 Bulb Elevation. 5.2.6 Indicating Head Position. 5.2.7 Readability. 5.2.8 Cross-Ambient Effect. 5.2.9 Thermowell. 5.2.10 Response Time. 6 SAFETY 6.1 Scope 6.2 General Discussion 6.2.1 6.2.2 |
| 42 | 6.2.3 6.2.4 6.3 Reuse of Thermometers 7 CONSTRUCTION 7.1 Case 7.1.1 General. 7.1.2 Types 7.1.2.1 Cases Without Pressure Relief Means. 7.1.2.2 Cases With Pressure Relief Means 7.1.3 Mounting. 7.1.4 Size. 7.2 Dials |
| 43 | 7.2.1 Graduations. 7.2.2 Anti-Parallax Dials. 7.3 Pointer 7.4 Stop Pin 7.5 Window 7.5.1 Laminated Glass. |
| 44 | 7.5.2 Heat-Treated Glass. 7.5.3 Plastic. 7.5.4 Plain Glass. 7.6 Capillary 7.7 Extension 7.8 Connections 7.9 Bulb 8 TEST PROCEDURES 8.1 Scope 8.2 Accuracy 8.2.1 Purpose. 8.2.2 Procedure 8.3 Repeatability 8.3.1 Purpose. 8.3.2 Procedure 8.4 Error, Position 8.4.1 Purpose. |
| 45 | 8.4.2 Procedure 8.5 Error, Ambient Temperature 8.5.1 Purpose. 8.5.2 Procedure 8.6 Under-/Over-Temperature 8.6.1 Purpose. 8.6.2 Procedure 8.7 Storage 8.7.1 Purpose. 8.7.2 Procedure 8.8 Vibration 8.8.1 Purpose. 8.8.2 Procedure |
| 46 | 9 SELECTION CRITERIA 10 REFERENCES |
| 47 | NONMANDATORY APPENDIX A FILLED SYSTEM THERMOMETERS SUPPLEMENTARY INFORMATION A-1 SCOPE A-2 GENERAL REQUIREMENTS A-2.1 Size A-2.2 Scale A-2.3 Adjustments A-2.4 Line Length A-2.5 Cleaning and Packaging A-2.6 Construction A-2.6.1 General. A-2.6.2 Threads. A-2.6.3 Lubrication. A-2.7 Sensors A-2.7.1 Bulbs. A-2.7.2 Extension Tube. A-2.7.3 Connection, Union, Adjustable. |
| 48 | A-2.7.3.1 Union Connector. A-2.8 Capillary Tubing and Spiral Armor A-2.9 Indicator |
| 49 | A-2.9.1 Case. A-2.9.1.1 Case Connection. A-2.9.2 Dials. A-2.9.2.1 Markings. A-2.9.3 Window. A-2.9.4 Pointers. A-2.9.5 Pointer Stop. A-2.9.6 Gaskets and O-Rings. A-2.9.7 Case Mounting. A-3 INSTALLATION A-3.1 Mounting A-3.2 Thermowells A-4 TEST PROCEDURES AND REQUIREMENTS A-4.1 Responsibility for Inspection A-4.1.1 Responsibility for Compliance. A-4.2 Classification of Inspections A-4.2.1 Qualification Inspection. |
| 51 | A-4.2.1.1 Sample Size. A-4.2.2 Conformance Inspection. A-4.3 Acceptance Criteria A-4.4 Accuracy A-4.5 Repeatability A-4.6 Inclination A-4.7 Compensation A-4.8 Response Time A-4.8.1 Temperature Bath. A-4.8.1.1 Set Up. |
| 53 | A-4.8.1.2 Determining Response Time. A-4.8.1.3 Conducting Response Time Test. A-4.9 Salt Spray A-4.10 Over-Temperature A-4.11 Vibration |
| 54 | A-4.12 Shock A-5 ORDERING PARAMETERS A-5.1 Acquisition Requirements A-5.2 Part Identifying Number PIN Parameters A-5.3 Part Identifying Number PIN Format A-5.3.1 Sensor Configuration. |
| 55 | A-5.3.1.1 Class A Sensor Configuration. A-5.3.1.2 Class C Sensor Configuration. A-5.3.2 Range. A-5.3.3 Dial Size. A-5.3.4 Capillary Tubing Length. A-6 REFERENCES |
| 57 | ASME B40.8 |
| 58 | LIQUID-IN-GLASS THERMOMETERS 1 SCOPE 2 HISTORY 3 STYLE 3.1 Industrial 3.2 Compact 6 in. 4 TERMINOLOGY AND DEFINITIONS 4.1 Thermometer Tube and Scale |
| 68 | 4.4 Fittings and Stems 5 DIMENSIONS — COMPACT STYLE 5.1 Jam Nut 5.2 Stem Chamber Diameter 5.3 Stem Length 5.4 Thermowells 5.5 Thermometer Assembly 6 DIMENSIONS — INDUSTRIAL STYLE 6.1 Jam Nut 6.2 Seating Part |
| 72 | 6.3 Stem Length 6.4 Extension Diameter 6.5 Union-Connected Stem 6.6 Bushing 6.7 Thermowells 6.7.1 Thermowell Materials. 6.7.2 Thermowell Construction. 7 THERMOMETER FLUID 7.1 Organic Liquid 7.2 Glass Tube and Bulb 8 DESIGN 8.1 Case 8.2 Stem 8.3 Scale 8.3.1 Scale Marking. |
| 75 | 8.3.1.1 Scale Ranges. 8.4 Threads 8.5 Accuracy 8.5.1 |
| 76 | 8.6 Over-Temperature 8.7 Response Time 8.8 Safety 9 REFERENCES |
| 77 | ASME B40.9 |
| 78 | THERMOWELLS FOR THERMOMETERS AND ELECTRICAL TEMPERATURE SENSORS 1 SCOPE 2 TERMINOLOGY AND DEFINITIONS |
| 82 | 3.2.1 Welding or Brazing. 3.2.2 Threads. 3.2.3 Flanges. 3.2.4 Gaskets And O-Rings. 3.3 Thermowell Selection |
| 83 | 3.3.1 Lag Time. 3.3.2 Location. 3.4 Installation Procedure 4 SAFETY 4.1 Scope 4.2 General Discussion 4.3 Reuse of Thermowells 5 CONSTRUCTION 5.1 Materials |
| 84 | 5.2 Design 5.2.1 Finish. 5.2.2 Tolerance 5.2.3 Marking. 5.3 Welding 5.3.1 6 SELECTION CRITERIA 7 REFERENCES |
| 85 | NONMANDATORY APPENDIX A THERMOWELLS FOR THERMOMETERS AND ELECTRICAL TEMPERATURE SENSORS SUPPLEMENTARY INFORMATION A-1 SCOPE A-2 INSTALLATION A-2.1 General A-2.2 Installation Guidance A-2.2.1 Method of Attachment. A-3 SAFETY A-3.1 Scope |
| 87 | A-3.2 Thermowell Selection A-3.2.1 Material Selection. A-3.2.2 Service Conditions. A-3.2.3 Design Selection. A-4 CONSTRUCTION A-4.1 Materials A-4.1.1 Level of Essentiality. |
| 89 | A-4.2 Design A-4.2.1 Welding and Brazing. A-4.3 Marking A-5 HOW TO ORDER A-5.1 Classification A-5.1.1 Design. A-5.1.2 Sensor Type. A-5.1.3 Insertion Length. A-5.1.4 Materials. A-5.2 Part Identifying Number PIN |
| 93 | A-5.3 Ordering Parameters A-6 REFERENCES |
