中國臺灣七泰4位半瓦特設定電表頭WMR-42的詳細資料

中國臺灣七泰Chitai  4位半瓦特設定電表頭WMR-42特性

? 4位半顯示（19999）

? 交流（直流）單相瓦特設定電錶

? DIN規格96×48 mm.

詳細規格 腳位連接圖

Display............... 4 1/2 (19999) 0.36〞(9.1mm), Red LED

Accuracy. ±0.25% F.S.±3 digits

Max. input over capability.......... Amp. 3×rated continuous

10×rated for 10 sec

50×rated for 1 sec

Volt. 750V continuous

Conversion rate (about) .. 1/sec.

Input burden .......Volt. input≦0.2VA/Phase

Amp. input≦0.2VA/Phase

Over input indication..................."0000"flash

Operating temp. ........ 0～60℃

Storage temp. ........ -10～70℃

Temp. coefficient 

.. ≦100PPM/℃(≦60PPM/℃, 25℃±10℃)

Max. relative humidity ..... 95%

Dielectric strength ..... AC 2 KV/1 min. (input/power/case)

Surge test .........4 KV/1.2×50μs, IEC 255-4

Aux. power ....................AC 115V/230V ±10%, 50/60 Hz

DC 24V, 48V, 110V, ±20% (option)

Setting Range ..19999 or ±9999

Relay Contact Output ..............AC 240V, 4A. DC 30V/5A

Comparative Condition Indication > Setpoint→Hi LED On

HI Setting >Indication>Lo Setting→GO LED On

indication < Lo setting→Lo LED On

Power consumption ...... AC 3.5VA, DC 3W

Weight (about) ............... 500g