1、 IEC 60079-29-1 Edition 2.0 2016-07 INTER NA TIONA L STA NDA R D Ex plosive atmospheres Part 29-1:Gas detectors Performance requirements of detectors for flammable gases IEC 60079-29-1:2016-07(en)Copyright International Electrotechnical Commission THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 20
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11、xplosive atmospheres Part 29-1:Gas detectors Performance requirements of detectors for flammable gases INTER NA TIONAL ELECTROTECHNICAL COMMISSION ICS 29.260.20 ISBN 978-2-8322-3539-3 Registered t rademark of t he Int ernational Electrot echnical Commission W arning!Make sure that you obtained this
12、publication from an authorized distributor.Copyright International Electrotechnical Commission 2 IEC 60079-29-1:2016 IEC 2016 CONTENTS FOREWORD.4 INTRODUCTION.8 1 Scope.9 2 Normative ref erences.10 3 Terms and def initions.10 4 General requirements.15 4.1 Overview.15 4.1.1 Manuf acturer claims.15 4.
13、1.2 Equipment ratings.16 4.2 Construction.16 4.2.1 General.16 4.2.2 Indicating devices.16 4.2.3 Alarm signals.18 4.2.4 Fault signals.18 4.2.5 Adjustments.19 4.2.6 Battery-powered equipment.19 4.2.7 Gas detection transmitter f or use with separate gas detection control units.19 4.2.8 Separate gas det
14、ection control units f or use with gas detection transmitter(s).19 4.2.9 Sof tware-controlled equipment.20 4.3 Marking.21 4.4 Instruction manual.21 5 Test methods.23 5.1 Overview.23 5.2 General requirements f or tests.24 5.2.1 General.24 5.2.2 Samples and sequence of tests.24 5.2.3 Preparation of eq
15、uipment bef ore testing.24 5.2.4 Mask f or calibration and tests.25 5.3 Normal conditions f or test.25 5.3.1 General.25 5.3.2 Test gas(es).25 5.3.3 Standard test gas.26 5.3.4 Flow rate f or test gases.26 5.3.5 Voltage.26 5.3.6 Temperature.26 5.3.7 Pressure.27 5.3.8 Humidity.27 5.3.9 Acclimation time
16、.27 5.3.10 Orientation.27 5.3.11 Communications options.27 5.3.12 Gas detection equipment as part of systems.27 5.4 Test methods.27 5.4.1 General.27 5.4.2 Unpowered storage.28 5.4.3 Calibration and adjustment.28 Copyright International Electrotechnical Commission IEC 60079-29-1:2016 IEC 2016 3 5.4.4 Stability.29 5.4.5 Alarm set point(s).30 5.4.6 Temperature.30 5.4.7 Pressure.31 5.4.8 Humidity of test gas.31 5.4.9 Air velocity.31 5.4.10 Flow rate f or aspirated equipment.32 5.4.11 Orientation.32
