This part of GB/T 22264 specifies the terms and definitions,description,classification and compliance,reference conditions and intrinsic errors,nominal range of use and variations,requirements,packaging,storage and transport,information,general markings and symbols,and test rules of fixed digital meters and power factor meters.
This part is applicable to fixed digital display phase meters and power factor meters,and is also applicable to the digital display part of dual analog-digital display phase meters and power factor meters.
This part is not applicable to:
—phase meters and power factor meters only have direct acting analogue indicating;
—portable digital display phase meters and power factor meters;
—special purpose instruments which are covered by their own national standards.
定价: 216元 / 折扣价: 184 元 加购物车