中国台湾七泰瓦特/功率固数量测电表KWM/VARM/PFM
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.
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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
| CIRCUIT | VOLTAGE | CURRENT | W | VAR | 1φ2W | 120V(110V) | 1A | 100 | ±100 | 5A | 500 | ±500 | 240V(220V) | 1A | 200 | ±200 | 5A | 1000 | ±1000 | 1φ3W | 240/120V
(220/110V) | 1A | 200 | ±200 | 5A | 1000 | ±1000 | 3φ3W | 120V(110V) | 1A | 200 | ±200 | 5A | 1000 | ±1000 | 240V(220V) | 1A | 400 | ±400 | 5A | 2000 | ±2000 | 3φ4W | 208/120V
(190/110V) | 1A | 300 | ±300 | 5A | 1500 | ±1500 | 416/240V
(380/220V) | 1A | 600 | ±600 | 5A | 3000 | ±3000 |
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中国台湾七泰瓦特/功率固数量测电表KWM/VARM/PFM
