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)