AC impedance potential

AC impedance potential, Total:185 items.

The international standard classification for "AC impedance potential" includes: Rectifiers. Convertors. Stabilized power supply , Cabled distribution systems , Measurement of electrical and magnetic quantities , Electrical engineering in general , Electromagnetic compatibility in general , Radiographic equipment , Therapy equipment , Electricity. Magnetism. Electrical and magnetic measurements , Lubricants, industrial oils and related products , Other non-ferrous metals and their alloys .

The Chinese standard classification for "AC impedance potential" includes: Power semiconductor device and parts , Plug screws, pipe fittings , Carrier communication equipment , Electrical instrument and meter in general , Electrical equipment and tool in general , Electromagnetic compatibility , Medical electronic equipment , Physiotherapy and TCM instrument and equipment , Hydrology and water conservancy instrument , Lubricating oil , Technical management , Precious metals and their alloys .

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

GB/T 18216.4-2007 Electrical safety in low voltage distribution systems up to 1 000 V a.c—Equipment for testing measuring or monitoring of protective measures—Part 4:Resistance of earth connection and
GB/T 7330-1998 Sheet metal formability and test methods
GB/T 18216.5-2012 Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. Equipment for testing, measuring or monitoring of protective measures. Part 5: Resistance to earth
GB/T 17949.1-2000 Guide for measuring earth resistivity, ground impedance and earth surface potentials of a ground system - Part 1: Normal measurements
GB/T 18216.3-2007 Electrical safety in low voltage distribution systems up to 1 000 V a.c.and 1 500 V d.c.—Equipment for testing measuring or monitoring of protective measures—Part 3:Loop impedance
GB/T 18216.4-2012 Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 4: Resistance of earth connection and equipotential bonding
GB/T 43534-2023 Design and testing methods for AC side impedance of voltage source converter based high voltage direct current（VSC-HVDC） transmission
GB/T 7330-2008 Line traps for a.c. power systems
GB/Z 42004-2022 Consideration of reference impedances and public supply network impedances for use in determining the disturbance characteristics of electrical equipment having a rated current ≤75 A per phase
GB/T 18216.3-2012 Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 3: Loop impedance

Professional Standard - Medicine

YY 91078-1999 Direct impedance blood flow recorder
YY/T 1143-2008 Bridge type impedance blood flow recorder
YY/T 1078-2008 Direct impedance blood flow recorder
YY 91143-1999 Bridge type impedance blood flow recorder

Professional Standard - Machinery

JB/T 10057-1999 Alternating current resistance box for measurement purpose

国家药监局

YY/T 1661-2019 Electrical resistance detector at acupuncture points equipment

National Metrological Technical Specifications of the People's Republic of China

JJF 2000-2022 Calibration specification for loop impedance/prospective short-circuit current tester
JJF 1636-2017 Calibration Specification for A. C. Resistance Boxes
JJF 1723-2018 Calibration Specification for AC & DC Resistance Simulators

Group Standards of the People's Republic of China

T/CSTM 00967-2024 Rare earth-based hydrogen storage alloy -Ac impedance and hydrogen diffusion coefficient test-Electrochemical method
T/CPSS 1005-2021 Technical specification of impedance sweeping equipment of low voltage DC distribution and utilization system
T/CPSS 1007-2020 Technology specification of switching power supply for power line distortion immunity
T/CIMA 0070-2023 Tunnel Magnetoresistive Current Sensor for AC Energy Meter
T/SEAMTA 000006-2022 High-impedance power transformer
T/ZHFCA 1002-2023 Impedance measurement method for proton exchange membrane fuel cell

Professional Standard - Electricity

DL/T 253-2012 Measurement Method for Earth Resistance,Ground Potential Distribution,Step Voltage and Current Dividing on Earth Electrodes
DL/T 1063-2007 Elastic wire resistance type displacemen meter
DL/T 1063-2021 Elastic wire resistance type displacement meter
DL/T 2553-2022 Guide for measuring earth resistivity, ground impedance, and earth surface potentials of power grounding system

Sichuan Provincial Standard of the People's Republic of China

DB51/T 1762-2014 General detection method of AC and DC resistance box

未注明发布机构

AS 2799:1992(R2016) Resistance welding equipment - Single-phase a.c. transformer type

国家铁路局

TB/T 3429-2015 Dynamic brake unit of AC drive diesel locomotive

国家市场监督管理总局、中国国家标准化管理委员会

GB/T 18216.4-2021 Electrical safety in low voltage distribution systems up to 1 000 V a. c and 1 500 V d. c - Equipment for testing, measuring or monitoring of protective measures - Part 4: Resistance of earth connection and equipotential bonding
GB/T 18216.3-2021 Electrical safety in low voltage distribution systems up to 1 000 V a. c. and 1 500 V d. c. - Equipment for testing, measuring or monitoring of protective measures - Part 3: Loop impedance

Professional Standard - Energy

NB/T 11077-2023 Technical specifications for high-voltage alternating-current fault current limiter based on current-limiting reactor

Professional Standard - Petrochemical Industry

SH/T 0640-1997 Damping greases for potentiometer

Professional Standard - Electron

SJ/T 10542-1994 Test methods of constant voltage power supplies,A.C. output,interence immunity type
SJ/T 10541-1994 General specification of constant viltage power supplies A.C. output,interference immunity type

National Metrological Verification Regulations of the People's Republic of China

JJG 982-2022 D.C. Resistance Boxes
JJG 040-2020 Slide wire resistance displacement meter

Professional Standard - Non-ferrous Metal

YS/T 608-2006 Ruthenium resistor paste for potentiometer

Military Standard of the People's Republic of China-General Armament Department

GJB/Z 37.3-1993 Military resistor and potentiometer series type spectrum potentiometer

机械电子工业部

JB 5849-1991 Impedance relays and devices

Society of Automotive Engineers (SAE)

SAE AIR1404-2020 DC Resistivity vs RF Impedance of EMI Gaskets

SAE - SAE International

SAE AIR1404-1976 DC Resistivity VS RF Impedance of EMI Gaskets

British Standards Institution (BSI)

BS EN IEC 60477-2:2022 Laboratory resistors. Laboratory AC resistors
BS EN 60477-2:1999 Laboratory resistors - Laboratory a.c. resistors
BS EN 60477-2:1980 Laboratory resistors. Laboratory a.c. resistors
BS EN 61557-3:2007 Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. Equipment for testing, measuring or monitoring of protective measures. Loop impedance
20/30395260 DC BS EN IEC 60477-2. Laboratory resistors. Part 2. Laboratory a.c. resistors
PD IEC/TR 60725:2012 Consideration of reference impedances and public supply network impedances for use in determining disturbance characteristics of electrical equipment having a rated current ≤ 75 A per phase
BS EN 61243-2:1998 Live working - Voltage detectors - Resistive type to be used for voltages of 1 kV to 36 kV a.c
BS EN 61557-4:2007 Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. Equipment for testing, measuring or monitoring of protective measures - Resistance of earth connection and equipotential bonding
BS EN ISO 9053-2:2020 Acoustics. Determination of airflow resistance - Alternating airflow method
BS EN ISO 17657-3:2007 Resistance welding. Welding current measurement for resistance welding - Current sensing coil
BS ISO 17657-3:2006 Resistance welding - Welding current measurement for resistance welding - Current sensing coil
BS ISO 17657-2:2006 Resistance welding - Welding current measurement for resistance welding - Welding current meter with current sensing coil
BS EN ISO 17657-2:2007 Resistance welding. Welding current measurement for resistance welding - Welding current meter with current sensing coil
BS EN 60099-1:1994 Surge arresters - Non-linear resistor type gapped surge arrestors for a.c. systems
BS EN ISO 17657-3:2006 Resistance welding - Welding current measurement for resistance welding - Current sensing coil

Korean Agency for Technology and Standards (KATS)

KS C IEC 61481-2-2016(2021) Live working — Phase comparators — Part 2: Resistive type to be used for voltages from 1 kV to 36 kV a.c.
KS C IEC 61557-4:2013 Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c.-Equipment for testing, measuring or monitoring of protective measures-Part 4:Resistance of earth connection and equipotential bonding
KS C IEC 60477-2-2013(2018) Laboratory resistors－Part 2：Laboratory a.c. resistors
KS C IEC 60477-2-2023 Laboratory resistors－Part 2：Laboratory a.c. resistors
KS C IEC 60477-2:2013 Laboratory resistors－Part 2：Laboratory a.c. resistors
KS C IEC 60353:2004 Line traps for A.C. power systems
KS C IEC 60353:2014 Line traps for A.C. power systems
KS C IEC 60725-2014(2019) Consideration of reference impedances and public supply network impedances for use in determining the disturbance characteristics of electrical equipment having a rated current ≤75 A per phase
KS C IEC 60725-2019 Consideration of reference impedances and public supply network impedances for use in determining the disturbance characteristics of electrical equipment having a rated current ≤75 A per phase
KS C IEC 61557-3:2013 Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c.－Equipment for testing, measuring or monitoring of protective measures－Part 3：Loop impedance
KS C ISO 8167:2016 Projections for resistance welding
KS C IEC 61557-3-2013(2018) Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c.－Equipment for testing, measuring or monitoring of protective measures－Part 3：Loop impedance
KS C ISO 8167:2001 Projections for resistance welding

International Electrotechnical Commission (IEC)

IEC TR 60279:1969 Measurement of the winding resistance of an a.c. machine during operation at alternating voltage
IEC TR 60725:2005 Considerations of reference impedances and public supply network impedances for use in determining the disturbance characteristics of electrical equipment having a rated current 75 A per phase
IEC TR 60725:2012 Consideration of reference impedances and public supply network impedances for use in determining the disturbance characteristics of electrical equipment having a rated current 75 A per phase
IEC 60477-2:2022 Laboratory resistors - Part 2: Laboratory AC resistors
IEC 61481-2:2014 Live working - Phase comparators - Part 2: Resistive type to be used for voltages from 1kV to 36 kV a.c.
IEC 60353:1989 Line traps for a.c. power systems
IEC 60477-2:1979 Laboratory resistors. Part 2 : Laboratory a.c. resistors
IEC 60477-2:1979/AMD1:1997 Laboratory resistors - Part 2: Laboratory a.c. resistors; Amendment 1
IEC 61557-3:2019 RLV Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 3: Loop impedance
IEC 61557-3:2019 Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 3: Loop impedance
IEC 61557-3:1997 Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 3: Loop impedance

Indonesia Standards

SNI 04-6189-1999 Measurements of winding resistance of an alternating current machines during operation at alternating voltage
SNI 04-6545.4-2001 Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - Equipment for testing, measuring or monitoring of protective measures. Part 4: Resistance of earth connection and equipotential bonding
SNI 04-6545.3-2001 Electrical safety in low-voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - Equipment for testing, measuring or monitoring of protective measures. Part 3: Loop impedance

IN-BIS

IS 13107 T-1991 Measurement of winding resistance of AC motors when operating at AC voltage
IS 5553 Pt.4-1989 Reactors—Specifications Part 4 Damping Reactors

SCC

UNE 20160:1981 MEASUREMENT OF THE WINDING RESISTANCE OF AN ALTERNATING CURRENT MACHINE DURING OPERATION AT ALTERNATING VOLTAGE
DANSK DS/EN 60477-2+A1:1998 Laboratory resistors – Part 2: Laboratory a.c. resistors
CEI EN IEC 60477-2:2022 Laboratory resistors Part 2: Laboratory AC resistors
DANSK DS/EN IEC 60477-2:2022 Laboratory resistors – Part 2: Laboratory AC resistors
CEI EN 61481-2:2015 Live working - Phase comparators Part 2: Resistive type to be used for voltages from 1 kV to 36 kV a.c.
AS 2799:1985 Resistance welding equipment - Single phase a.c. transformer type
AENOR UNE 20160:1981 Measurement of the resistance of the windings of an alternating current machine in service.
AENOR UNE-EN 61166:1997 Automatic alternating current switches for high voltage. Guide for the seismic qualification of alternating current circuit breakers for high voltage.
AS C338:1965 Surge diverters non-linear resistor type (for alternating current circuits)
ESD STM12.1-2019 Seating - Resistive Measurement
BS PD IEC/TR 60725:2012 Consideration of reference impedances and public supply network impedances for use in determining disturbance characteristics of electrical equipment having a rated current ≤ 75 A per phase
DIN EN IEC 60477-2 E:2022 Draft Document - Laboratory resistors - Part 2: Laboratory AC resistors (IEC 60477-2:2022); English version EN IEC 60477-2:2022
BS EN 61557-4:1997 Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. Equipment for testing, measuring ormonitoring of protective measures-Resistance of earth connection and equipotential bonding
BS PD IEC/TR 60725:2005 Consideration on reference impedances and public supply network impedances for use in determinig disturbance characteristics of electrical equipment having a rated current ≤ 75 A per phase
DIN EN 61481-2 E:2012 Draft Document - Live working - Phase comparators - Part 2: Resistive type to be used for voltages from 1 kV to 36 kV a.c. (IEC 78/960/CD:2012)
BS ISO 17657-3:2005 Resistance welding. Welding current measurement for resistance welding. Current sensing coil
UNE 21086:1972 DISTINCTIVE SIGNS AND COLOURS OF ALTERNATING CURRENT PHASE AND DIRECT CURRENT POLARITY ROTATIONAL SENSE
BS ISO 17657-2:2005 Resistance welding. Welding current measurement for resistance welding. Welding current meter with current sensing coil
AS C356.2:1966 Stationary type spot and projection resistance welding equipment (single-phase a.c. transformer type)

ES-AENOR

UNE 21-087 Pt.1-1989 Variable resistance lightning rod for AC power grid
UNE 20-160-1981 Measurement of coil pressure resistance of AC appliances in use
UNE 21 086 Distinguishing colors and markings of direction of rotation at AC phase and DC electrodes

German Institute for Standardization

DIN EN 60477-2:1999 Laboratory resistors - Part 2: Laboratory a.c. resistors (IEC 60477-2:1979 + A1:1997); German version EN 60477-2:1997 + A1:1997
DIN EN IEC 60477-2:2023-08 Laboratory resistors - Part 2: Laboratory AC resistors (IEC 60477-2:2022); English version EN IEC 60477-2:2022 / Note: DIN EN 60477-2 (1999-03) remains valid alongside this standard until 2025-05-04.
DIN EN 61166:1994 High-voltage alternating current circuit-breakers - Guide for seismic qualification of high-voltage alternating current circuit-breakers (IEC 61166:1993); German version EN 61166:1993

European Committee for Electrotechnical Standardization（CENELEC）

HD 249.2-1981 Laboratory Resistors Part 2: Laboratory A.C. Resistors
EN 61481-2:2014 Live working - Phase comparators - Part 2: Resistive type to be used for voltages from 1 kV to 36 kV a.c.
EN 60477-2:1997 Laboratory Resistors - Part 2: Laboratory a.c. Resistors (Incorporates Amendment A1: 1997)
EN 61166:1993 High-Voltage Alternating Current Circuit-Breakers Guide for Seismic Qualification of High- Voltage Alternating Current Circuit- Breakers
EN 61557-3:2007 Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 3: Loop impedance

AENOR

UNE-EN 60477-2/A1:1999 LABORATORY RESISTORS. PART 2: LABORATORY A.C. RESISTORS
UNE-EN 60477-2:1999 LABORATORY RESISTORS. PART 2: LABORATORY A.C. RESISTORS
UNE-EN 61481-2:2015 Live working - Phase comparators - Part 2: Resistive type to be used for voltages from 1 kV to 36 kV a.c.

ES-UNE

UNE-EN IEC 60477-2:2022 Laboratory resistors - Part 2: Laboratory AC resistors (Endorsed by Asociación Española de Normalización in July of 2022.)

GSO

GSO IEC 60477-2:2015 Laboratory resistors. Part 2: Laboratory a.c. resistors
OS GSO IEC 60477-2:2015 Laboratory resistors. Part 2: Laboratory a.c. resistors
BH GSO IEC 60477-2:2016 Laboratory resistors. Part 2: Laboratory a.c. resistors
GSO IEC 61196-1-108:2014 Coaxial communication cables - Part 1-108: Electrical test methods - Test for characteristic impedance, phase and group delay, electrical length and propagation velocity
GSO IEC TR 60725:2021 Consideration of reference impedances and public supply network impedances for use in determining the disturbance characteristics of electrical equipment having a rated current ≤75 A per phase
BH GSO IEC TR 60725:2022 Consideration of reference impedances and public supply network impedances for use in determining the disturbance characteristics of electrical equipment having a rated current ≤75 A per phase

European Committee for Standardization (CEN)

HD 249.2 S1-1981 Laboratory resistors; part 2: laboratory a.c. resistors
EN 28167:1992 Projections for Resistance Welding
EN ISO 8167:2021 Resistance welding - Embossed projection welding - Projections for resistance welding (ISO 8167:2021)

Danish Standards Foundation

DS/EN 60477-2+A1:1998 Laboratory resistors - Part 2: Laboratory a.c. resistors
DS/IEC 477-2:1981 Laboratory resistors. Part 2: Laboratory a.c. resistors

KR-KS

KS C IEC 60477-2-2013(2023) Laboratory resistors－Part 2：Laboratory a.c. resistors

Association Francaise de Normalisation

NF EN IEC 60477-2:2022 Laboratory resistors - Part 2: Alternating current laboratory resistors
NF C42-160-2*NF EN 60477-2:1998 Laboratory resistors. Part 2 : laboratory a.c. resistors.
NF C18-481-2*NF EN 61481-2:2015 Live working - Phase comparators - Part 2 : resistive type to be used for voltages from 1 kV to 36 kV a.c.
NF EN 61481-2:2015 Live work - Phase comparators - Part 2: resistive type for use on alternating voltages from 1 kV to 36 kV
NF C26-287*NF EN 61621:1998 Dry, solid insulating materials. Resistance test to high-voltage, low-current arc discharges.
NF A82-111:1989 Electric resistance welding. Low impedance cables. Sizes, specifications and tests.
NF C42-198-3*NF EN 61557-3:2007 Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 3 : loop impedance.

YU-JUS

JUS N.C0.041-1984 Testing ofcables and flexible cords. Resistance to direct voltage

Institute of Electrical and Electronics Engineers (IEEE)

IEEE 81-1983 Guide for measuring earth resistivity, ground impedance, and earth surface potentials of a ground system
IEEE P81/D11, August 2012 IEEE Guide for Measuring Earth Resistivity, Ground Impedance, and Earth Surface Potentials of a Grounding System
IEEE 81-2012 IEEE Guide for Measuring Earth Resistivity, Ground Impedance, and Earth Surface Potentials of a Grounding System
IEEE Std 81-2012 IEEE Guide for Measuring Earth Resistivity, Ground Impedance, and Earth Surface Potentials of a Grounding System
IEEE P81/D2, December 2023 IEEE Draft Guide for Measuring Earth Resistivity, Ground Impedance, and Earth Surface Potentials of a Grounding System
IEEE P81 IEEE Draft Guide for Measuring Earth Resistivity, Ground Impedance, and Earth Surface Potentials of a Grounding System
IEEE P81/D10, March, 2012 IEEE Draft Guide for Measuring Earth Resistivity, Ground Impedance, and Earth Surface Potentials of a Grounding System
IEEE Std 81-1983 IEEE Guide for Measuring Earth Resistivity, Ground Impedance, and Earth Surface Potentials of a Ground System Part 1: Normal Measurements

PT-IPQ

NP 2964/2-1985 Electronic measuring equipment. Laboratory resistors. Part 2: AC Resistors

Standard Association of Australia （SAA）

AS 2799:1992 Resistance welding equipment - Single-phase a.c. transformer type

American Society for Testing and Materials (ASTM)

ASTM A566-68 Test Method for Alternating-Current Magnetic Properties of Materials Using the Alternating Current Potentiometer and 25-cm Epstein framemed>
ASTM D4496-04 Standard Test Method for D-C Resistance or Conductance of Moderately Conductive Materials
ASTM D4496-13 Standard Test Method for D-C Resistance or Conductance of Moderately Conductive Materials
ASTM D4496-04e1 Standard Test Method for D-C Resistance or Conductance of Moderately Conductive Materials

RO-ASRO

STAS 12082-1982 LABORATORY A.C. RESISTORS General technical requirements for quality

Institute of Interconnecting and Packaging Electronic Circuits (IPC)

IPC TM-650 2.5.18-1984 Characteristic Impedance Flat Cables (Unbalanced); Revision B - July 1984

IEEE - The Institute of Electrical and Electronics Engineers@ Inc.

IEEE C37.114-2004 Guide for Determining Fault Location on AC Transmission and Distribution Lines
IEEE C37.114-2014 Guide for Determining Fault Location on AC Transmission and Distribution Lines

Lithuanian Standards Office

LST EN 60477-2+A1-2000 Laboratory resistors -- Part 2: Laboratory a.c. resistors (IEC 60477-2:1979+A1:1997)

NZ-SNZ

SA/SNZ TR IEC 60725:2013 Consideration of reference impedances and public supply network impedances for use in determining the disturbance characteristics of electrical equipment having a rated current ≤75 A per phase

Defense Logistics Agency

DLA SMD-5962-93060 REV E-2001 MICROCIRCUIT, LINEAR, A/D CONVERTER, 12-BIT, MONOLITHIC SILICON
DLA SMD-5962-94662-1995 MICROCIRCUIT, LINEAR, 10-BIT, VOLTAGE OUTPUT, D/A CONVERTER, MONOLITHIC SILICON
DLA SMD-5962-90508 REV D-2004 MICROCIRCUIT, LINEAR, HIGH SPEED, 8-BIT, A/D CONVERTER, MONOLITHIC SILICON
DLA SMD-5962-89569 REV C-2005 MICROCIRCUIT, HYBRID, LINEAR, 16-BIT, HIGH SPEED, A/D CONVERTER
DLA SMD-5962-89900-1994 MICROCIRCUIT, LINEAR, HIGH SPEED 6-BIT A/D CONVERTER, MONOLITHIC SILICON
DLA SMD-5962-89654 REV D-2001 MICROCIRCUIT, LINEAR, HIGH SPEED 8-BIT A/D CONVERTER, MONOLITHIC SILICON
DLA SMD-5962-88563 REV A-2008 MICROCIRCUITS, LINEAR, 16 BIT D/A CONVERTER MONOLITHIC SILICON

AT-OVE/ON

OVE EN IEC 60477-2:2021 Laboratory resistors. Part 2: Laboratory AC resistors (IEC 85/772/CDV) (english version)

Underwriters Laboratories (UL)

UL 519-1994 Impedance-protected motors
UL 1004-2-2020 Impedance protected motors
UL 1004-2-2014 UL Standard for Safety Impedance Protected Motors (Second Edition; Reprint with revisions through and including February 6@ 2015)
UL 1004-2-2008 Impedance protected motors

CZ-CSN

CSN 62 1459-1958 Electrical impedance shock test
CSN 34 5615 Z3-1997 Electrical resistance to heat and flame resistance test

VDI - Verein Deutscher Ingenieure

VDI/VDE 3519 BLATT 8-2012 Fuellstandmesstechnik - Widerstandsverfahren

PL-PKN

PN E06729-1990 Rotating electrical machines Measurement ot the winding resistancc ol an a.c. machine by superposition method

International Telecommunication Union (ITU)

ITU-T K.21-2011 Resistibility of telecommunication equipment installed in customer premises to overvoltages and overcurrents Study Group 5

RU-GOST R

GOST 25937-1983 Materials for shoes. Method for determination of specific volume and surface resistance

CENELEC - European Committee for Electrotechnical Standardization

EN 61557-3:1997 Electrical Safety in Low Voltage Distribution Systems up to 1 kV a.c. and 1@5 kV d.c. - Equipment for Testing@ Measuring or Monitoring of Protective Measures Part 3: Loop Impedance

International Organization for Standardization (ISO)

ISO 8167:1989 Projections for resistance welding

IPC - Association Connecting Electronics Industries

IPC TM-650 2.6.14C-2000 Resistance to Electrochemical Migration@ Solder Mask

AT-ON

ONORM EN 28167-1992 Projections for resistance welding

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