91亚洲激情|国产主播一区二区三区|久久人妻少妇嫩草av无码专区|日韩一区二区三区电影|中文字幕少妇人妻精品|免费在线观看黄片大全|一本一本久久久精品综合不卡|粗暴video蹂躏hd

Product Center

Product Classification
Instruments & meters series

Print current page

Product Description

  • brief introduction
  • technical parameter
  • Product size

Application

Mounting type electric meter is a direct acting indicating analogue electrical-measuring instrument with wide application range, it is applicable for measurement of DC circuits and power frequency AC circuits: electric parameters such as voltage, current, frequency, power factor, synchronous indication, etc. Intrinsic advantages of mounting panel meter: display the change trend of measured electric quantity, in addition to single use, it is mainly matched with instrument board for various HV and LV switch gears, power cabinets, control cabinets as well as various electrical control devices, its the indexes are in accordance with the technical requirements of national standard GB/T7676-1998.
It is featured with plastic or bakelite housing, large window, wide visual angle, laconic and lucid construction, elegant appearance, etc.


Main Technical data

1. Accuracy: class 1.5, class 2.5.

2. Operating condition: -20℃+50℃.

3. Relative humidity: ≤85%.

4. Effect of withstand voltage: self-frequency constant value changes ±15%, error of indicated value should not be beyond the fundamental error.

5. Mechanical property: it is able to withstand transportation for 2h with shock under conditions of acceleration 30m/s2 and 80-12 times of strokes per minute. 

6. Working position: operate in vertical.