瓦特、虛功(乏)、功率固數(shù)量測(cè)電錶MODEL KWM, VARM, PFM

特性

? 4位半顯示（19999）

? 單相2線(xiàn)，3相3線(xiàn)，3相4線(xiàn)電力量測(cè)

? 瓦特錶，虛功錶，功率固數(shù)錶

? DIN規(guī)格96×48 mm.

詳細(xì)規(guī)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