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)