What is BS EN IEC 60051-3 about?
BS EN IEC 60051-3 specifies direct acting indicating wattmeters and varmeters having an analogue display.
BS EN IEC 60051-3 applies to:
- non-interchangeable accessories used with wattmeters and varmeters
- a combination of the instruments and the accessories provided that the adjustments have been made for the combination
- direct acting indicating electrical measuring instruments whose scale marks do not correspond directly to their electrical input quantity, provided that the relationship between them is known
- instruments and accessories having electronic devices in their measuring and/or auxiliary circuits.
NOTE: BS EN IEC 60051-3 does not apply to:
- special purpose instruments which are covered by their own IEC standards
- special-purpose devices which are covered by their own IEC standards when they are used as accessories
Who is BS EN IEC 60051-3 for?
BS EN IEC 60051-3 on special requirements for wattmeters and varmeters is beneficial for:
- Electricians
- Electrical engineers
- Mechanics
- Mechanical engineers
Why should you use BS EN IEC 60051-3?
The Wattmeter / Varmeter module is fitted with one wattmeter and one varmeter and is designed to indicate the direct measurement of active and reactive power in balanced three-phase circuits.
BS EN IEC 60051-3 assists the user with the electrical requirements and constructional requirements of the product.