IEEE - The Institute of Electrical and Electronics Engineers@ Inc.
Latest
IEEE 33-1927
Scope
The standards in this section apply to the following kinds of indicating electrical instruments for direct current and for alternating current: (1). Ammeters (2). Voltmeters (3). Wattmeters (4). Reactive Volt-Ampere Meters (5). Frequency Meters (6). Power-Factor@ Reactive-Factor and Phase-Angle Meters (7). Synchroscopes These standards are not intended to apply to indicating instruments provided with arrangements for curve drawing@ contact making@ etc. They do not apply to the following kinds of instruments: (a) Small instruments of types and sizes which are used where low cost is essential; for example@ small polarized-vane ammeters used on automobiles@ batterycharging outfits@ etc. (b) Instruments constructed for very special requirements.