GB 6738-1986
Abolished
GB/T 18216.3-2021
Active
National standards
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
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
Price:
$ 50
Basic Information
Standard Code:
GB/T 18216.3-2021
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Electrician's instruments and meters
ICS Name:
The measurement of electrical and magnetic quantities
Publish Date:
2021-05-21
Implement Date:
2021-12-01
Pages:
10 pages
Scope
This document specifies the requirements for loop impedance equipment between the measuring conductor and the protective conductor, between the measuring conductor and the neutral conductor, or between two measuring conductors. The measurement of loop impedance is carried out by loading the test circuit and measuring the voltage drop.
Development Information
Same series standard
GB/T 18216.1-2021 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 1:General requirements
GB/T 18216.2-2021 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 2:Insulation resistance
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 18216.5-2021 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 5:Resistance to earth
Replace the following standards
Referenced Standards
Adopt standards
IEC 61557-3:2019
Related Standards
GB/T 9393-1988
Replaced
GB/T 9393-1988 STZ3 type connector for electronic measurement instrument
GB/T 12114-1989
Replaced
GB/T 12114-1989 Generic specification of high frequency signal generators
GB/T 12115-1989
Replaced
GB/T 12115-1989 Measuring methods for high frequency signal generators
GB/T 12116-1989
Replaced
GB/T 12116-1989 Generic specification for electronic analog voltmeters
GB/T 12117-1989
Replaced