NEN EN 740 : 1998 AMD 1 2004

Foreword
Section 1 General
1 Scope
2 Normative references
3 Terminology and definitions
4 General requirements and general requirements for test
5 Classification
6 Identification, marking and documents
7 Power input
Section 2 Environmental conditions
8 Basic safety categories
9 Removable protective means
10 Environmental conditions
11 Not used
12 Not used
Section 3 Protection against electrical shock hazards
13 General
14 Requirements related to classification
15 Limitation of voltage and/or energy
16 Enclosures and protective covers
17 Separation
18 Protective earthing, functional earthing and potential
    equalization
19 Continuous leakage current and patient auxiliary currents
20 Dielectric strength
Section 4 Protection against mechanical hazards
21 Mechanical strength
22 Moving parts
23 Surfaces, corners and edges
24 Stability in normal use
25 Expelled parts
26 Vibration and noise
27 Pneumatic and hydraulic power
28 Suspended masses
Section 5 Protection against hazards from unwanted or excessive
radiation
29 X-radiation
30 Alpha, beta, gamma, neutron radiation and other particle
    radiation
31 Microwave radiation
32 Light radiation (including lasers)
33 Infra-red radiation
34 Ultra-violet radiation
35 Acoustical energy (including ultrasonic)
36 Electromagnetic compatibility
Section 6 Protection against hazards of ignition of
flammable anaesthetic mixtures
37 Locations and basic requirements
38 Marking, accompanying documents
30 Common requirements for category AP and category APG
    equipment
40 Requirements and tests for category AP equipment, parts
    and components thereof
41 Requirements and tests for category APG equipment, parts
    and components thereof
Section 7 Protection against excessive temperatures, and other
safety hazards
42 Excessive temperatures
43 Fire prevention
44 Overflow, spillage, leakage, humidity, ingress of liquids,
    cleaning, sterilization, disinfection and compatibility
45 Pressure vessels and parts subject to pressure
46 Human errors
47 Electrostatic charges
48 Biocompatibility
49 Interruption of the power supply
Section 8 Accuracy of operating data and protection against
hazardous output
50 Accuracy of operating data
51 Protection against hazardous output
Section 9 Abnormal condition and fault conditions
environmental tests
52 Abnormal operation and fault conditions
53 Environmental tests
Section 10 Constructional requirements
54 General
55 Enclosures and covers
56 Components and general assembly
57 Mains parts, components and layout
58 Protective earthing - terminals and connections
59 Construction and layout
Section 11 Additional requirements specific to anaesthetic
workstations
101 Gas supply pressure monitors
102 Pressure regulators
103 Machine gas piping
104 Anaesthetic gas delivery module
105 Anaesthetic vapour delivery module
106 Respiratory gas conducting components
107 Anaesthetic breathing systems
108 Heat and moisture exchangers
109 Humidifiers
110 Suction equipment
111 Anaesthetic gas scavenging system (AGSS)
112 Anaesthetic ventilator module
Annexes
AA (normative) Test of anaesthetic agents for non-flammability
BB (informative) Rationale
CC (normative) Applicable requirement clauses for separate
    modules of an anaesthetic work station
DD (normative) Test method for expired volume monitors
EE (normative) Test method for accuracy of anaesthetic
    vapour delivery modules without applied back pressure
FF (normative) Test method for anaesthetic vapour delivery
   module accuracy with applied back pressure
GG (normative) Test methods for anaesthetic breathing systems
   and breathing attachments
HH (normative) Colour coding of anaesthetic vapour delivery
   modules
JJ (normative) Test method for resistance to flow of the
   receiving system
KK (normative) Test method for flow and resistance of AGSS
LL (normative) Test method for transfer systems
MM (normative) Test method for induced flow and
   sub-atmospheric pressure of AGSS
NN (normative) Test method for spillage from the transfer and
   receiving systems
PP (informative) Guidelines for situations in which AGSS
   are used with flammable anaesthetic gases and/or volatile
   agents
QQ (normative) Ergonomics and symbols
RR (normative) Test method for draw-over vaporizers used
   with emergency anaesthetic equipment
SS (informative) Bibliography
TT (normative) Special national conditions
ZA (informative) Clauses of this European Standard addressing
   essential requirements or other provisions of EU Directives

Gives particular requirements for modules, which, although considered as individual devices, may be used, together with other relevant devices, for the formation of an anaesthetic workstation to a given specification.