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BS EN 61010-2-032:2012

BS EN 61010-2-032:2012

$198.66

Safety requirements for electrical equipment for measurement, control, and laboratory use – Particular requirements for hand-held and hand-manipulated current sensors for electrical test and measurement

Published By Publication Date Number of Pages
BSI 2012 52
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IEC 61010-2-032:2012 specifies safety requirements for HAND-HELD and hand-manipulated current sensors described below. These current sensors are for measuring, detecting or injecting current, or indicating current waveforms on circuits without physically opening the current path of the circuit being measured. They may be stand-alone current sensors or accessories to other equipment or parts of combined equipment (see Figure 101). These include measurement circuits which are part of electrical test and measurement equipment, laboratory equipment, or process control equipment. The existence of these current sensors and circuits in equipment requires additional protective means between the current sensor, the circuit and an OPERATOR. This third edition cancels and replaces the second edition published in 2002. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) A new Type D current sensor has been defined. b) The terminology for MEASUREMENT CATEGORY I has changed. In this Part 2-032, it is termed “not RATED for measurements within MEASUREMENT CATEGORIES II, III, or IV”. c) Requirements for markings of measuring circuit TERMINALS and JAWS have been modified. d) CLEARANCES and CREEPAGE DISTANCES have been added for unmated measuring circuit TERMINALS. e) Requirements have been added for specialized measuring circuit TERMINALS. f) The pull test for endcaps of flexible current sensors has been revised. g) Requirements for output circuit leads have been revised. h) Requirements have been added for temperature limits and resistance to heat to prevent thermal HAZARDS from eddy currents and high currents. i) Requirements for circuits or components used as TRANSIENT OVERVOLTAGE limiting devices have been revised. j) Requirements have been added for low battery indication. k) Requirements have been revised and added pertaining to REASONABLY FORESEEABLE MISUSE of measuring circuits, including usage of the current sensor in a manner that might cause arc flash. l) Requirements for MAINS voltage measuring circuits have been added. m) Requirements to prevent HAZARDs from short-circuits have been revised and located in a new Clause 102. n) ROUTINE TESTS have been modified. o) Insulation requirements for measuring circuits have been primarily located in Annex K. p) Annex AA has been added to describe the characteristics of MEASUREMENT CATEGORIES. q) Annex BB has been added to describe HAZARDS that may be encountered when using measuring circuits. This publication is to be read in conjunction with /2.

PDF Catalog

PDF Pages PDF Title
6 English
CONTENTS
8 INTRODUCTION
9 1 Scope and object
12 2 Normative references
3 Terms and definitions
13 4 Tests
5 Marking and documentation
17 6 Protection against electric shock
18 Tables
Table 101 – Clearances and creepage distances for measuring circuit terminals with hazardous live conductive parts
19 Figure 102 – Pre-treatment of the jaw ends
20 Figure 103 – Clearance between the protective barrier or tactile indicator to the jaws and to the hazardous live conductor
23 7 Protection against mechanical hazards
Table 102 – Pull forces for endcaps of flexible current sensors
24 8 Resistance to mechanical stresses
8.1 General
8.2 Enclosure rigidity tests
9 Protection against the spread of fire
Table 103 – Energy level
25 10 Equipment temperature limits and resistance to heat
11 Protection against hazards from fluids
26 12 Protection against radiation, including laser sources, and against sonic and ultrasonic pressure
13 Protection against liberated gases and substances, explosion and implosion
14 Components and subassemblies
27 15 Protection by interlocks
16 Hazards resulting from application
17 Risk assessment
Table 104 – Impulse voltages
28 101 Measuring circuits
31 102 Prevention of hazard from arc flash and short-circuits
102.1 General
32 102.2 Protection against short-circuits during clamping
Figure 106 – Test probe to check protection against short-circuits
34 Annexes
Annex D(normative) Parts between which insulation requirements are specified (see 6.4, 6.5.3, 6.9.101 and 6.9.103)
Figure D.101 – Parts of current sensors (see also Table D.101)
35 Table D.101 – Insulation requirements between circuits andaccessible parts of current sensors
36 Annex F (normative) Routine tests
Table F.101 – Test voltages for routine tests of jaws of current sensors
37 Annex K (normative) Insulation requirements not covered by 6.7
38 Table K.101 – Clearances for measuring circuits of measurement categories II, III and IV
39 Table K.102 – Test voltages for testing electric strength of solid insulation in measuring circuits of measurement category II
Table K.103 – Test voltages for testing electric strength of solid insulation in measuring circuits of measurement category III
40 Table K.104 – Test voltages for testing electric strength of solid insulation in measuring circuits of measurement category IV
Table K.105 – Test voltages for testing long term stressof solid insulation in measuring circuits
43 Annex L (informative) Index of defined terms
45 Annex AA (normative) Measurement categories
46 Figure AA.1 – Example to identify the locations of measuring circuits
Table AA.1 – Characteristics of measurement categories
47 Annex BB (informative) Hazards pertaining to measurements performed in certain environments
49 Bibliography

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BS EN 61010-2-032:2012
$198.66