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BSI 23/30406664 DC 2023

BSI 23/30406664 DC 2023

$24.66

BS EN IEC 61010-2-012. Safety requirements for electrical equipment for measurement; control; and laboratory use – Part 2-012. Particular requirements for climatic and environmental testing and other temperature conditioning equipment

Published By Publication Date Number of Pages
BSI 2023 116
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PDF Catalog

PDF Pages PDF Title
4 CONTENTS
6 FOREWORD
9 INTRODUCTION
13 1. Scope and object
1.1.1 Equipment included in scope
14 1.1.2 Equipment excluded from scope
1.2 Object
1.2.1 Aspects included in scope
2. Normative references
15 3. Terms and definitions
3.1 Equipment and states of equipment
16 3.2 Parts and accessories
20 3.5 Safety terms
22 4. Tests
4.3 Reference test conditions
4.3.1 Environmental conditions
23 4.3.2 State of equipment
4.3.2.1 General
4.3.2.101 Heat load
4.3.2.102 Humidity and steam
4.3.2.103 Lamp and lamp systems
4.3.2.104 Mechanical movement
4.3.2.105 Spray generating systems
24 4.3.2.106 Ventilators
4.3.2.107 Pressures other than those of refrigerant
4.3.2.108 Refrigerant pressure
4.3.2.109 Exhaust and condensate
4.3.2.110 Filling and draining systems
4.3.2.111 Circulating system
4.3.2.112 Gas heat transfer medium
4.3.2.113 Properties of liquid heat transfer medium
25 4.3.2.114 Abnormal test to simulate the failure of the controlled environment
4.3.2.115 Refrigerating equipment intended to be used with other equipment inside the refrigerated compartment
4.4.2 Application of fault conditions
4.4.2.10 Cooling
26 4.4.2.11 Heating devices
4.4.2.101 Motor-compressor
4.4.2.102 Fluid leakage in the equipment
4.4.2.103 Solenoid valve and motorized valve.
27 4.4.2.104 Failure of temperature control
4.4.2.105 Humidifier
4.4.2.106 Speed controller
4.4.3 Duration of tests
4.4.3.1 General
28 4.4.4 Conformity after application of fault conditions
4.4.4.1 General
5. Marking and documentation
5.1.5 Terminals, connections and operating devices
5.1.5.101 Liquid connections for heat transfer medium
29 5.1.5.102 Liquid connection for filling of bath tanks with enclosed circulators
5.1.5.103 Other liquid connections and exhaust opening
5.1.5.104 Equipotential terminals
5.1.5.104 Connections for CO2 charging or LN2 feeding
30 5.1.101 Marking for equipment incorporating a refrigerant condensing unit
5.1.102 Marking for group I equipment and group II equipment
31 5.1.103 Marking for equipment incorporating mechanical movement
5.1.104 Movable immersion circulator
5.1.106 Warning requirements related to chemical hazard
32 5.4.106 Symbols particular to heating and cooling equipment
33 5.2 Warning markings
5.4.1 General
34 5.4.2 Equipment ratings
5.4.3 Equipment installation
36 5.4.3.101 Drying-out and standstill
5.4.4 Equipment operation
37 5.4.4.101 Cleaning and decontamination
38 5.4.5 Equipment maintenance and service
39 5.4.101 Additional instructions for group I equipment that contain or use flammable refrigerant
41 5.4.104 Additional instructions for group I equipment intended for use with flammable liquid heat transfer media
42 6. Protection against electric shock
6.1.1 Requirements
6.3.1 Levels in NORMAL CONDITION
6.3.2 Levels in single fault condition
43 6.7.2.2 Solid insulation
6.7.2.2.101 Drying-out
6.8.1 General
6.8.2 Humidity preconditioning
6.9.1 General
6.10.1 Mains supply cords
44 7. Protection against mechanical hazards
7.3.5.1 Gap limitations between moving parts – Access normally allowed
7.4 Stability
7.4.101 Movement during operation
45 7.4.102 Removable specimen holder for mechanical movement
7.5 Provisions for lifting and carrying
7.5.1 General
8. Resistance to mechanical stresses
8.1 General
46 8.2.1 Static test
8.2.2 Impact test
47 8.103 Flexible tubing and hose subjected to liquid pressure other than that of the refrigerant (removed from 14.102)
49 9. Protection against the spread of fire
9.5 Requirements for equipment containing or using flammable liquids
52 10. Equipment temperature limits and resistance to heat
10.1 Surface temperature limits for protection against burns
10.1 Surface temperature limits for protection against burns and frostbite
53 10.2 Temperatures of windings
10.4 Conduct of temperature tests
10.4.1 General
54 10.101 Overtemperature protection
56 10.102 Restarting after interruption of cooling and/or heating
11. Protection against hazards from fluids and solid foreign objects
11.1 General
11.3 Spillage
11.4 Overflow
57 11.4 Overflow and low level
59 11.4.101 Salt mist, thawing, condensate and spray
11.4.102 Hazards from liquids in relation to the specimen and application system
11.4.103 Hazards from liquids in relation to the shaker
60 11.4.104 Construction requirements related to manual filling or draining
11.7.1 Maximum pressure
11.7.10711.7.2 Leakage and rupture at high pressure
61 11.7.2.101 Intrinsic safety of refrigerating systems
11.7.2.101.1 General
11.7.2.101.2 Determination for the PS of the refrigerating system
62 11.7.2.101.3 Pressure test
11.7.2.101.4 Fatigue test
63 11.7.2. 102 Tightness of equipment
11.7.3 Leakage from low-pressure parts
64 11.7.101 Additional requirements for equipment containing refrigerating systems of normal tightness and for flammable refrigerant
11.7.101.1 General
11.7.101.2 Protected refrigerating system
65 11.7.101.3 Leakage test for flammable refrigerant
66 11.7.101.4 Scratch test for protected refrigerating systems
67 11.7.101.5 Unprotected refrigerating systems
69 11.7.101.6 Stagnation of leaked flammable refrigerant
70 11.7.101.7 Surface temperature limits
71 11.7.102 Pressure test for storage and transport
11.7.102.1 General
11.7.102.2 Test of charge-to-volume ratio
11.7.102.3 Test by pressure under the soaked temperature condition
72 11.7.102.4 Calculation by using the ideal gas law
11.7.103 Internal fluid leaks
11.7.104 Determining the gas concentration beyond the boundary of the equipment
74 11.7.107 Additional requirements for refrigerating equipment that use R-744 refrigerant
11.7.107.1 General
11.7.107.2 Requirements for refrigerating equipment that use R-744 in a subcritical application
11.7.107.3 Requirements for refrigerating equipment that use R-744 in a transcritical refrigerating system
75 11.7.107.4 Pressure test for storage and transport for equipment using R-744 (CO2)
11.7.107.4.1 General
11.7.107.4.2 Test of charge-to-volume ratio
76 11.7.107.4.3  Test by pressure under the soaked temperature condition
11.7.107.4.4 Test by pressure as limited by pressure relief devices
11.7.107.5 Discharge capacity requirements for a pressure-relief device
77 12. Protection against radiation, including laser sources, and against sonic and ultrasonic pressure
12.1 General
12.2.1.3 Equipment not intended to emit radiation
12.3 Optical radiation
13. Protection against liberated gases and substances, explosion and implosion
13.1 Poisonous and injurious gases and substances
78 13.2.1 Components
13.2.1 Components of the equipment and materials being treated
13.2.101 Implosion of low air pressure equipment
13.2.102 Explosion and implosion of lamps
13.101 Biohazardous substances
79 14. Components and subassemblies
14.3 Overtemperature protection devices
80 14.101 Components and subassemblies for refrigerating systems
14.102 Materials for refrigerating systems
14.102.1 Requirements for copper in refrigerant circuits
14.102.2 Requirements for stainless steel
81 14.102.3 Minimum wall thickness for copper and steel tubes
15. Protection by interlocks
15.1 General
15.101 Mechanism of door and/or lock for walk-in equipment
82 15.102 Interlock between the circulating pump, agitator and heating, cooling, mechanical movement and/or operation of the application system
15.103 Interlock between circulating fan, door or lid and heating, cooling and/or radiation, humidifying and mechanical movement
83 15.104 Interlock between salt spray and cover of salt spray corrosion test chamber
16. Hazards resulting from application
16.1 Reasonably foreseeable misuse
16.101 Slip hazard
17. Risk assessment
84 Annexes
85 Annex K (normative) Insulation requirements not covered by 6.7
K.1.3 Solid insulation for mains circuits
K.1.3.1 General
86 Annex L (informative) Index of defined terms
88 Annex A A (informative) Useful symbols
91 Annex B B (informative) Protection of people who are inside walk-in equipment
BB.1 General
BB.2 Emergency switch or signal
BB.3 Walk-in equipment with a controlled atmosphere
93 Annex C C (informative) Safety requirements for components and piping
CC.1 Overview
96 CC.2 Component and subassembly requirements for switches and controls used in refrigerating systems for North America
99 Annex D D (informative) Equipment containing flammable refrigerants – Information and marking requirements
DD.1 Marking, installation and operating instructions (SB6)
DD.1.1 Marking
DD.1.2 Operator markings
DD.1.3 Service markings
DD.1.4 Disposal
DD.1.5 Exposed tubing
100 DD.1.6 Accessing the refrigerant circuit
DD.1.7 Symbol for warning of flammable materials
DD.1.8 Equipment containing a remote condensing unit
DD.1.9 Refrigerating equipment intended for laboratory use
DD.2 Installation and operating instructions
DD.2.1 Handling and moving
DD.2.2 Packaging markings
DD.2.3 Replacement components and servicing
101 DD.2.4 Installation instructions for equipment containing a remote condensing unit
102 Annex E E (normative) Non-sparking “n” electrical device
11 Supplementary requirements for non-sparking luminaires
19 Supplementary requirements for sealed devices producing arcs, sparks or hot surfaces
19.1 Non-metallic materials
19.6 Type tests
20 Supplementary requirements for restricted-breathing enclosures protecting equipment producing arcs, sparks or hot surfaces
103 Annex F F (normative) Test method for determining gas concentration beyond the boundary of the equipment
FF.1 Arrangement
FF.2 Release conditions
108 Annex G G (informative) Classification of fluid group
GG.1 General
GG.2 Hazard class pictograms
109 GG.3 Hazard statement code for fluids commonly used in the group I equipment
110 GG.4 Meanings of the precautionary statement codes
111 Annex H H (informative) Competence of personnel
HH.1 General
HH.2 Personnel competence for refrigerating systems
113 Bibliography

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BSI 23/30406664 DC 2023
$24.66