WWHM – 瓦特 + 瓦時量測電錶
特性
‧ 瓦特:4位數顯示(2700)
‧ 瓦時:7位數顯示(9999999)
‧ RS-485輸出(選購)
‧ Pulse輸出(選購)
‧ 可設定比流量乘分壓器之倍數(1~65535)
‧ DIN規格96×48 mm.
詳細規格
Display………W: 4 digits (2700) 0.4〞(10.1mm), Red LED
WH: 7 digits (9999999) 0.4〞(10.1mm), Red LED
WH: 4200000000 in memory (Option)
Watt Hour Count Speed……………………… ≦4000 Count/H
Accuracy…………… ±0.5% RD.(±0.2% Option), (PF≧0.5)
Max. input over capability ……….Amp. 3×rated continuous
10×rated for 10 sec
50×rated for 1 second
Volt. /750V continuous
Conversion rate (about)……………………………………… 2/sec.
Input burden ……………………….Volt. input≦0.2VA/Phase
Amp. input≦0.2VA/Phase
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)
Open collector …………………………………………..30V/50mA
Reed Relay………………………………………………… 30V/0.5A
Power consumption ……………………… AC 3.5VA, DC 3W
Weight (about) ……………………………………………….. 460g
Baud rate……………………………………………….. 9600, 19200
開孔尺寸 (單位:釐米)






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