ДСТУ EN 61010-031:2016 Требования безопасности электрооборудования для измерения, управления и лабораторного применения. Часть 031. Требования безопасности комплектов ручных пробников для электрического измер...

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ПІДТВЕРДЖУВАЛЬНЕ ПОВІДОМЛЕННЯ

Державне підприємство
«Український науково-дослідний і навчальний центр проблем стандартизації, сертифікації та якості»
(ДП «УкрНДНЦ»)

Наказ від 08.07.2016 № 204

EN 61010-031:2015

Safety requirements for electrical equipment for measurement, control and laboratory use -
Part 031: Safety requirements for hand-held probe assemblies for electrical measurement and test

прийнято як національний стандарт

методом «підтвердження» за позначенням

ДСТУ EN 61010-031:2016
(EN 61010-031:2015, IDT)

Вимоги щодо безпеки електричного устатковання для вимірювання, керування та лабораторного застосування.
Частина 031. Вимоги щодо безпеки комплектів ручних пробників для електричного вимірювання та випробування

З наданням чинності від 2016–07–13

CONTENTS

FOREWORD

1 Scope and object

1.1 Scope

1.1.1 Probe assemblies included in scope

1.1.2 Probe assemblies excluded from scope

1.2 Object

1.2.1 Aspects included in scope

1.2.2 Aspects excluded from scope

1.3 Verification

1.4 Environmental conditions

1.4.1 Normal environmental conditions

1.4.2 Extended environmental conditions

2 Normative references

3 Terms and definitions

3.1 Parts and accessories

3.2 Quantities

3.3 Tests

3.4 Safety terms

3.5 Insulation

4 Tests

4.1 General

4.2 Sequence of tests

4.3 Reference test conditions

4.3.1 Environmental conditions

4.3.2 State of probe assemblies

4.3.3 Position of the probe assembly

4.3.4 Accessories

4.3.5 Covers and removable parts

4.3.6 Input and output voltages

4.3.7 Controls

4.3.8 Connections

4.3.9 Duty cycle

4.4 Testing in SINGLE FAULT CONDITION

4.4.1 General

4.4.2 Application of fault conditions

4.4.3 Duration of tests

4.4.4 Conformity after application of fault conditions

4.5 Tests in REASONABLY FORESEEABLE MISUSE

4.5.1 General

4.5.2 Fuses

5 Marking and documentation

5.1 Marking

5.1.1 General 22

5.1.2 Identification

5.1.3 Fuses

5.1.4 CONNECTORS and operating devices

5.1.5 RATING

5.2 Warning markings

5.3 Durability of markings

5.4 Documentation

5.4.1 General

5.4.2 Probe assembly RATING

5.4.3 Probe assembly operation

5.4.4 Probe assembly maintenance and service

6 Protection against electric shock

6.1 General

6.2 Determination of ACCESSIBLE parts

6.2.1 General

6.2.2 Examination

6.2.3 Openings for pre-set controls

6.3 Limit values for ACCESSIBLE parts

6.3.1 General

6.3.2 Levels in NORMAL CONDITION

6.3.3 Levels in SINGLE FAULT CONDITION

6.3.4 Measurement of voltage and touch current

6.4 Means of protection against electric shock

6.4.1 General

6.4.2 CONNECTORS

6.4.3 PROBE TIPS

6.4.4 Impedance

6.4.5 PROTECTIVE IMPEDANCE

6.4.6 BASIC INSULATION, SUPPLEMENTARY INSULATION, DOUBLE INSULATION and REINFORCED INSULATION

6.5 Insulation requirements

6.5.1 The nature of insulation

6.5.2 Insulation requirements for probe assemblies

6.6 Procedure for voltage tests

6.6.1 General

6.6.2 Humidity preconditioning

6.6.3 Conduct of tests

6.6.4 Test voltages

6.6.5 Test procedures

6.7 Constructional requirements for protection against electric shock

6.7.1 General

6.7.2 Insulating materials

6.7.3 ENCLOSURES of probe assemblies with DOUBLE INSULATION or REINFORCED INSULATION

6.7.4 PROBE WIRE attachment

7 Protection against mechanical HAZARDS

8 Resistance to mechanical stresses

8.1 General

8.2 Rigidity test

8.3 Drop test

8.4 Impact swing test

9 Temperature limits and protection against the spread of fire

9.1 General

9.2 Temperature tests

10 Resistance to heat

10.1 Integrity of SPACINGS

10.2 Resistance to heat

11 Protection against HAZARDS from fluids

11.1 General

11.2 Cleaning

11.3 Specially protected probe assemblies

12 Components

12.1 General

12.2 Fuses

12.3 PROBE WIRE

12.3.1 General

12.3.2 RATING of PROBE WIRE

12.3.3 Pressure test at high temperature for insulations

12.3.4 Tests for resistance of insulation to cracking

12.3.5 Voltage test

12.3.6 Tensile test

13 Prevention of HAZARD from arc flash and short-circuits

13.1 General

13.2 Exposed conductive parts

Annex A (normative) Measuring circuits for touch current (see 6.3)

A.1 Measuring circuits for a.c. with frequencies up to 1 MHz and for d.c

A.2 Measuring circuits for a.c. with sinusoidal frequencies up to 100 Hz and for d.c

A.3 Current measuring circuit for electrical burns at frequencies above 100 kHz

A.4 Current measuring circuit for WET LOCATIONS

Annex B (normative) Standard test fingers

Annex C (normative) Measurement of CLEARANCES and CREEPAGE DISTANCES

Annex D (normative) Routine spark tests on PROBE WIRE

D.1 General

D.2 Spark test procedure

D.3 Routine spark test method for PROBE WIRE

Annex E (informative) 4 mm CONNECTORS

E.1 General

E.2 Dimensions

Annex F (normative) MEASUREMENT CATEGORIES

F.1 General

F.2 MEASUREMENT CATEGORIES

F.2.1 MEASUREMENT CATEGORY II

F.2.2 MEASUREMENT CATEGORY III

F.2.3 MEASUREMENT CATEGORY IV

F.2.4 Probe assemblies without a MEASUREMENT CATEGORY RATING

Annex G Index of defined terms

Bibliography

Figure 1 – Examples of type A probe assemblies

Figure 2 – Examples of type B probe assemblies

Figure 3 – Examples of type C probe assemblies

Figure 4 – Examples of type D probe assemblies

Figure 5 – Example of a STACKABLE CONNECTOR with a male CONNECTOR and a female TERMINAL

Figure 6 – Methods for determination of ACCESSIBLE parts (see 6.2) and for voltage tests of (see 6.4.2)

Figure 7 – Capacitance level versus voltage in NORMAL CONDITION and SINGLE-FAULT CONDITION (see 6.3.2 c) and 6.3.3 c))

Figure 8 – Voltage and touch current measurement

Figure 9 – Voltage and touch current measurement for the reference CONNECTOR

Figure 10 – Voltage and touch current measurement with shielded test probe

Figure 11 – Maximum test probe input voltage for 70 mA touch current

Figure 12 – Protection by a PROTECTIVE FINGERGUARD

Figure 13 – Protection by distance

Figure 14 – Protection by tactile indicator

Figure 15 – Distance between conductors on an interface between two layers

Figure 16 – Distance between adjacent conductors along an interface of two layers

Figure 17 – Distance between adjacent conductors located between the same two layers

Figure 18 – Example of recurring peak voltage

Figure 19 – Flexing test

Figure 20 – Rotational flexing test

Figure 21 – Impact swing test

Figure 22 – Indentation device

Figure A.1 – Measuring circuit for a.c. with frequencies up to 1 MHz and for d.c.

Figure A.2 – Measuring circuits for a.c. with sinusoidal frequencies up to 100 Hz and for d.c.

Figure A.3 – Current measuring circuit for electrical burns

Figure A.4 – Current measuring circuit for high frequency test probes

Figure A.5 – Current measuring circuit for WET LOCATIONS

Figure B.1 – Rigid test finger

Figure B.2 – Jointed test finger

Figure D.1 – Bead Chain Configuration (if applicable)

Figure E.1 – Recommended dimensions of 4 mm CONNECTORS

Figure F.1 – Example to identify the locations of MEASUREMENT CATEGORIES

Table 1 – Symbols

Table 2 – SPACINGS for unmated CONNECTORS RATED up to 1 000 V a.c. or 1 500 V d.c. with HAZARDOUS LIVE conductive parts

Table 3 – Multiplication factors for CLEARANCES of probe assembly RATED for operation

at altitudes up to 5 000 m .

Table 4 – Test voltages for testing solid insulation

Table 5 – Minimum values for distance or thickness

Table 6 – CLEARANCES for probe assemblies of MEASUREMENT CATEGORIES II, III and IV

Table 7 – CLEARANCE values for the calculation of 6.5.2.3.2

Table 8 – CLEARANCES for BASIC INSULATION in probe assemblies subjected to recurring peak voltages or WORKING VOLTAGES with frequencies above 30 kHz

Table 9 – CREEPAGE DISTANCES for BASIC INSULATION or SUPPLEMENTARY INSULATION

Table 10 – Test voltages based on CLEARANCES

Table 11 – Correction factors according to test site altitude for test voltages for CLEARANCES

Table 12 – Pull forces for PROBE WIRE attachment tests

Table 13 – Diameter of mandrel and numbers of turns

Table C.1 – Dimension of X

Table D.1 – Maximum centre-to-centre spacings of bead chains

Table D.2 – Formula for maximum speed of wire in terms of electrode length L of link- or bead-chain electrode

Table F.1 – Characteristics of MEASUREMENT CATEGORIES

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