IS 9792 : Part 1 : 1987 Guide for testing, calibration and maintenance of ac electricity meters: Part 1 Single phase whole current watthour meters, Class 2.0

UDC 621.317.785.025.1 : 621.3.089.6(026) ETD 13
Reaffirmed 2020

1 Scope

1.1 This guide (Part 1) covers procedure for testing,calibration and maintenance of single phase whole current wattmeters for Class 2 complying with IS 722 : Part 2 : 1977.

1.2 This guide does not cover installation of meters.

2 References

IS 2 :1960Rules for rounding off numerical values

IS 722 : Part 1 :1968 Specification for ac electricity meters:Part 1 General requirements and tests

IS 722 : Part 2 :1977 Specification for ac electricity meters:Part 2 single phase whole current watthour meters,Class 2