IECEx TEST REPORT IEC Explosive atmospheres Part 0: Equipment General requirements

Transcription

1 ExTR Reference Number...: ExTR Free Reference Number...: Compiled by + signature (ExTL)...: Reviewed by + signature (ExTL)...: NO/NEM/ExTR /00 Stig André Norheim Arne Hortman Date of issue...: IECEx TEST REPORT IEC Explosive atmospheres Part 0: Equipment General requirements Ex Testing Laboratory (ExTL)...: Address...: Applicant s name...: Address...: Nemko AS Gaustadalléen 30, P.O.Box 73 Blindern, NO-0314 Oslo, Norway Kongsberg Maritime AS Haakon VII s gate 4, NO-7041 Trondheim, Norway Standard...: Test procedure...: IEC :2007, 5 th Edition IECEx System Test Report Form Number...: ExTR _5D (released ) Instructions for Intended Use of Ex Test Report: An Ex Test Report provides a clause-by-clause documentation of the initial evaluation and testing that verified compliance of an item or product with an IEC Ex standard. This Ex Test Report is part of an ExTR package that may include other Ex Test Report, Addendum, National Differences and Partial Testing documents, along with a single ExTR Cover. An Ex Test Report is to be compiled and reviewed by the ExTL. The Issuing ExCB indicates final approval of the Ex Test Report as part of the overall ExTR package on the associated ExTR Cover. Copyright 2011 International Electrotechnical Commission System for Certification to Standards Relating to Equipment for use in Explosive Atmospheres (IECEx System), Geneva, Switzerland. All rights reserved. This blank publication may be reproduced in whole or in part for non-commercial purposes as long as the IECEx System is acknowledged as copyright owner and source of the material. The IECEx system takes no responsibility for, and will not assume liability for, damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Possible test case verdicts: - test case does not apply to the test item... :N / A - test item does meet the requirement... : General remarks: The test results presented in this Ex Test Report relate only to the item or product tested. "(see Attachment #)" refers to additional information appended to this document. "(see appended table)" refers to a table appended to this document. Throughout this document, a point. is used as the decimal separator. The technical content of this Ex Test Report shall not be reproduced except in full without the written approval of the Issuing ExCB and ExTL. TRF No. ExTR _5D Page 1 of 13

2 IEC SCOPE 2 NORMATIVE REFERENCES 3 TERMS AND DEFINITIONS 4 APPARATUS GROUPING AND TEMPERATURE CLASSIFICATION 4.1 Group I 4.2 Group II Ex ia IIC T4 4.3 Group III 4.4 Equipment for a particular explosive atmosphere IIC 5 TEMPERATURES 5.1 Environmental influences Ambient temperatures Tamb= -40 C to +85 C External source of heating or cooling No additional that exceeds the ambient range. 5.2 Service temperature Internal heating is negligibly small. 5.3 Maximum surface temperature Determination of maximum surface temperature Limitation of maximum surface temperature The equipment is classified T4 based on the limiting value 200 C which applies to components < 10 cm 2 and > 20mm 2 According to IEC Group I electrical equipment Group II electrical equipment T Group III electrical equipment Maximum surface temperature determined without a dust layer Maximum surface temperature with respect to dust layers TRF No. ExTR _5D Page 2 of 13

3 5.3.3 Small component temperature for Group I or Group II electrical equipment According to IEC REQUIREMENTS FOR ALL ELECTRICAL EQUIPMENT 6.1 General Radar level sensor. 6.2 Mechanical strength of equipment No additional requirements. 6.3 Opening times Not applicable to IEC Circulating currents No circulating currents. 6.5 Gasket retention Not related to the safety concept in IEC Electromagnetic and ultrasonic energy radiating equipment Radar radiation less than 2W Radio frequency sources Radar radiation less than 2W Lasers or other continuous wave sources Not used Ultrasonic sources Not used. 7 NON-METALLIC ENCLOSURES AND NON-METALLIC PARTS OF ENCLOSURES 7.1 General Applicability Metal enclosure Specification of materials Metal enclosure Plastic materials Metal enclosure Elastomeric materials Metal enclosure. 7.2 Thermal endurance Tests for thermal endurance Metal enclosure Material selection Metal enclosure. 7.3 Resistance to light Metal enclosure. 7.4 Electrostatic charges on external non-metallic materials Applicability Metal enclosure. TRF No. ExTR _5D Page 3 of 13

4 7.4.2 Avoidance of a build-up of electrostatic charge on Group I or Group II electrical equipment Avoidance of a build-up of electrostatic charge on equipment for Group III Metal enclosure. Metal enclosure. 7.5 Threaded holes Metal enclosure. 8 METALLIC ENCLOSURES AND METALLIC PARTS OF ENCLOSURES 8.1 Material Composition Group I Group II Material of the enclosure is Stainless Steel AISI Group III 8.2 Threaded Holes Metric threads. 9 FASTENERS 9.1 General 9.2 Special fasteners 9.3 Holes for special fasteners Thread engagement Tolerance and clearance Hexagon socket set screw 10 INTERLOCKING DEVICES 11 BUSHINGS 12 MATERIALS USED FOR CEMENTING 13 EX COMPONENTS 13.1 General 13.2 Mounting TRF No. ExTR _5D Page 4 of 13

5 IEC Internal Mounting 13.4 External Mounting 14 CONNECTION FACILITIES AND TERMINAL COMPARTMENTS 14.1 General 14.2 Termination compartment 14.3 Type of protection 14.4 Creepage and clearance 15 CONNECTION FACILITIES FOR EARTHING OR BONDING CONDUCTORS 15.1 Equipment requiring earthing Internal External 15.2 Equipment not requiring earthing 15.3 Size of conductor connection 15.4 Protection against corrosion 15.5 Secureness of electrical connections 16 ENTRIES INTO ENCLOSURES 16.1 General Type of protection Ex ia 16.2 Identification of entries Type of protection Ex ia 16.3 Cable glands Type of protection Ex ia 16.4 Blanking elements TRF No. ExTR _5D Page 5 of 13

6 16.5 Temperature at branching point and entry point 16.6 Electrostatic charges of cable sheaths 17 SUPPLEMENTARY REQUIREMENTS FOR ROTATING ELECTRICAL MACHINES 17.1 Fans and fan hoods No fans used Ventilation openings for external fans 17.3 Construction and mounting of the ventilation systems 17.4 Clearances for the ventilating systems 17.5 Materials for external fans and fan hoods 17.6 Equipotential bonding conductors 18 SUPPLEMENTARY REQUIREMENTS FOR SWITCHGEAR 18.1 Flammable dielectric 18.2 Disconnectors 18.3 Group I Provisions for locking 18.4 Doors and covers 19 SUPPLEMENTARY REQUIREMENTS FOR FUSES 20 SUPPLEMENTARY REQUIREMENTS FOR PLUGS, SOCKETS OUTLETS AND CONNECTORS 20.1 Interlocking Explosive gas atmospheres Explosive dust atmospheres TRF No. ExTR _5D Page 6 of 13

7 20.2 Energized plugs 21 SUPPLEMENTARY REQUIREMENTS FOR LUMINAIRES 21.1 General 21.2 Covers for luminaires of EPL Gb or EPL Db 21.3 Covers for luminaires of EPL Gc or EPL Dc 21.4 Special lamps 22 SUPPLEMENTARY REQUIREMENTS FOR CAPLIGHTS AND HANDLIGHTS 22.1 Group I caplights 22.2 Group II and Group II caplights and handlights 23 APPARATUS INCORPORATING CELLS AND BATTERIES 23.1 General No battery Batteries 23.3 Cell types 23.4 Cells in a battery 23.5 Ratings of batteries 23.6 Interchangeability 23.7 Charging of primary batteries 23.8 Leakage 23.9 Connections Orientation TRF No. ExTR _5D Page 7 of 13

8 23.11 Replacement of cells or batteries Replaceable battery pack 24 DOCUMENTATION The documents submitted by the manufacturer give a full and correct specification of the safety aspects of the electrical apparatus. Documents listed in the Appendix to the test report. 25 COMPLIANCE OF PROTOTYPE OR SAMPLE WITH DOCUMENTS 26 TYPE TESTS 26.1 General Each test conducted on the equipment was conducted on the apparatus in the most unfavourable manner and according to the requirements in IEC Test configuration Configuration of the electrical equipment considered to be the most unfavourable Tests in explosive test mixtures Physical testing was not carried out Tests of enclosures Order of tests Metallic enclosures, metallic parts of enclosures and glass of parts of enclosures Non-metallic enclosures or non-metallic parts of enclosures Not applicable for this Ex ia equipment. Not applicable for this Ex ia equipment Group I electrical equipment Not applicable for this Ex ia equipment Group II and Group III electrical equipment Not applicable for this Ex ia equipment Resistance to impact Not applicable for this Ex ia equipment Drop test Not applicable for this Ex ia equipment Acceptance criteria Not applicable for this Ex ia equipment Degree of protection (IP) by enclosures Test procedure Not applicable for this Ex ia equipment Acceptance criteria Not applicable for this Ex ia equipment. TRF No. ExTR _5D Page 8 of 13

9 26.5 Thermal tests Temperature measurement General Specification in the appendix into IEC for results Service temperature Maximum surface temperature Maximum surface temperature T4 (135 C) Maximum ambient temperature specified Ta = +85 C Thermal shock test Excluded by IEC Small component ignition test (Group I and Group II) General Not utilized Procedure Acceptance criteria Not utilized Torque test for bushings Test procedure Excluded by IEC Acceptance criteria Excluded by IEC Non-metallic enclosures or non-metallic parts of enclosures General Excluded by IEC Test temperatures Excluded by IEC Thermal endurance to heat Excluded by IEC Thermal endurance to cold Excluded by IEC Resistance to light Test procedure Excluded by IEC Acceptance criteria Excluded by IEC Resistance to chemical agents for Group I electrical equipment Excluded by IEC Earth continuity Excluded by IEC Surface resistance test of parts of parts of enclosures of nonmetallic materials Enclosure of stainless steel AISI Charging tests Introduction TRF No. ExTR _5D Page 9 of 13

10 Principle of the test Samples and test apparatus Ambient conditions Conditioning Determination of the most efficient charging method Method A: Rubbing with a pure polyamide cloth Method B: Rubbing with a cotton cloth Method C: Charging by influence with a d.c. highvoltage power supply Assessment of discharge Measurement of capacitance Test procedure Enclosure of stainless steel AISI Acceptance criteria 27 Routine tests No specific for this equipment. 28 MANUFACTURER'S RESPONSIBILITY 28.1 Conformity with the documentation This concerns the manufacturer s responsibility. Declaration of Conformity Certificate The certificate relate to Ex equipment Responsibility for marking Marked according to Clause MARKING Metal sign /engraved. Is resistant to chemical and mechanical influence Location Outside on the main part General The marking include the following: a) name of the manufacturer Kongsberg b) type identification GLA-100/3 c) Implemented on the marking label. d) IECEx NEM X e) Symbol X used due to specific conditions of use f) Ex ia IIC T4 Ta= -40 C to +85 C g) - TRF No. ExTR _5D Page 10 of 13

11 IEC Ex marking for explosive gas atmospheres Ex ia IIC T4 Ta= -45 C to +85 C 29.4 Ex marking for explosive dust atmospheres 29.5 Combined types of protection 29.6 Multiple types of protection 29.7 Ga using two independent Gb types of protection 29.8 Ex components 29.9 Small equipment and small Ex components Extremely small equipment and extremely small Ex components Warning markings Alternate marking of equipment protection levels (EPLs) Alternate marking of type of protection for explosive gas atmospheres Alternate marking of type of protection for explosive dust atmospheres Cells and batteries 30 INSTRUCTIONS 30.1 General Conformity is checked by inspection. Manuals: GLA100/3 Radar Tank Gauge no.: P- GLA100.3/CE and safety instructions no Cells and batteries Annex A (Normative) SUPPLEMENTARY REQUIREMENTS FOR CABLE GLANDS A.1 General TRF No. ExTR _5D Page 11 of 13

12 IEC A.2 Constructional requirements A.2.1 Cable sealing A.2.2 Filling compounds A.2.3 Clamping A General A A.2.4 Group II or Group III cable glands Lead-in of cable A Sharp edges A Point of entry A.2.5 Released by a tool A.2.6 Fixing A.2.7 Degree of protection A.3 Type tests A.3.1 Tests of clamping of non-armoured and braided cables A A A Cable glands with clamping by the sealing ring Cable glands with clamping by the filling compound Cable glands with clamping by means of a clamping device A Tensile test A Mechanical strength A.3.2 Tests of clamping of armoured cables A Tests of clamping where the armourings are clamped by a device within the gland A Tensile test A Mechanical strength A A.3.3 A.3.4 Tests of clamping where the armourings are not clamped by a device within the gland Type test for resistance to impact Test for degree of protection (IP) of cable glands A.4 Marking A.4.1 Marking of cable glands A.4.2 Marking of cable sealing rings Annex B (Normative) Table B.1 Clauses with which Ex components shall comply TRF No. ExTR _5D Page 12 of 13

13 Measurement Section, including Additional Narrative Remarks (as deemed applicable) TRF No. ExTR _5D Page 13 of 13