瓦特 + 瓦時量測電錶MODEL WWHM

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