6位數(shù)AC瓦時(shí)計(jì)

MODEL WHM

Display..............................................................................
...... 6 digits Display (999999) 0.56〞(14.2mm), Red LED
Watt Hour Count Speed........................... ≦1000 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) ......................................................... 480g

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