中國臺灣七泰WMR-42 4位半瓦特設(shè)定電表

WMR-42  4位半瓦特設(shè)定電表

MODEL WMR-42

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

開孔尺寸　（單位：釐米）

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