KWM / VARM / PFM – 瓦特、虛功（乏）、功率固數量測電錶

KWM  /  VARM  /  PFM  –  瓦特、虛功（乏）、功率固數量測電錶

 

特性

‧ 4位半顯示（19999）

‧ 單相2線，3相3線，3相4線電力量測

‧ 瓦特錶，虛功錶，功率固數錶

‧ DIN規格96×48 mm.

 

詳細規格

 

Display…………..4 1/2 (19999) 0.56〞(14.2mm), Red LED

Accuracy……………………………..Watt ±0.25% F.S.±3 digits

VAR ±0.1% F.S.±3 digits

COSθ ±1% F.S. ±1 digit

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

10×rated for 10 sec

50×rated for 1 second

Volt. /750V continuous

Conversion rate (about)……………………………………… 1/sec.

Input burden ……………………….Volt. input≦0.7VA/Phase

Amp. input≦0.7VA/Phase

Over input indication…………………………………..”0000″flash

Frequency range …………………… 45～400Hz for AC range

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)

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

Weight (about) ……………………………………………….. 470g

 

 

 

開孔尺寸　(單位：釐米)