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Print current pageProduct Description
- brief introduction
- technical parameter
- Product size
Application
DTS450 and DSS450 series three-phase electronicwatt-hour meter is used for measuring electric energy at three-phase four-wire system and three-phase three-wire system, it adopts digital electric energy measurement chip of high accuracy and wide range, has obvious features like reasonable structure, stable performance, high reliability, low consumption, long service life, free maintenance and so on, besides, it provides pulse output to take convenience for detecting.
Normal working conditions and installationconditions
1. Specified working temperature: -10℃~+45℃；
2. Utmost working temperature: -25℃~+60℃；
3. Relative humidity:≤85% (at environmentaltemperature 23℃)
4. There shall be no harmful substances causingcorrosion in the air
Main Technical data
1. Executive standard: GB/T 17215.321-2008
2. Class index: class 1 and class 2
3. Power consumption:＜2W(10VA)
4. Reference frequency: 50Hz
5. Needn't to be corrected after working a long time.
6. Supplied with three-phase power, any one phase or two phases fail, the watt-hour meter still works normally;
7. Good temperature performance: the error shall not exceed accuracy range within the temperature range -25℃~55℃;
8. Good light-load performance: the instrument has fine accuracy class at ultra-light load;
9. High accuracy of actual online measuring;
10. Simple installation and operation; the installation position can't be affected by anything;
11. Strong ability of transportation resistance: the instrument can't cause the change of error under kinds of normal transportation conditions, user needn't adjust it after opening the box.
External And Installation Size
