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AC Watts/Watt-Hours, Vars/Var-Hours Converters

2013-09-19
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AC Watt/Watt-hour, Var/Var-hour Converter Features: Accuracy 0.25% full scale Multiple input and output options Input and output insulation withstand voltage 2kV/1min Surge voltage test 5kV (1.2x50us) Surge voltage test 2.5kV (0.25ms/1MHz) (IEC255-4) Small size and high stability Main Specifications: Accuracy: 0.25% FS (23 ±5℃) Input load: <0.2VA (Voltage) <0.2VA (Current) Maximum overload capacity: Current related input:3 x rated continuous 10 x rated 30 sec. ,25 x rated 3sec. 50 x rated 1sec. Voltage related input:maximum 2 x rated continuous Output response speed: < 250ms(0~90%) Output load capacity: < 10mA for voltage mode < 10V for current mode Output ripple: < 0.1% FS Pulse output type: Photocouple of open collector (max.30V/40mA) Zero adjustment range: 0~±5% FS Maximum adjustment range: 0~±10% FS Temperature coefficient: 100ppm/℃ (0~50℃) Isolation characteristics: Input/Output/Power/Case Insulation resistance: >100Mohm with 500V DC Dielectric withstand voltage: 2KVac/1 min. (input/output/power/case) Surge test: ANSI C37.90a/1974,DIN-IEC 255-4 impulse voltage 5KV(1.2x50us) Operating environment conditions: -20~60℃(20 to 90% RH non-condensed) Storage environment conditions: -30~70℃(20 to 90% RH non-condensed) CE certification: EN 55022:1998/A1:2000 Class A EN 61000-3-2:2000 EN 61000-3-3:1995/A1:2001 EN 55024:1998/A1:2001

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