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Single Phase, Digital Power Meter. 8 Parameters and Modbus RS485 Communications. Single Phase Multi-Parameter Power Panel Meter. Measures 9 Single Phase Parameters: Voltage, Current, Power, Reactive Power, Apparent Power, Power Factor, Frequency and KWH in a standard 1/8 DIN package. Standard RS485 communications capable.Single Phase Digital Power Meter is a perfect economical choice when monitoring and measuring are required.  No metering over kill. Single phase defined as 1 hot lead up to 500V, 1 Neutral.                EV-100 The EV100 single phase meter  may be used as a data gathering device for an Intelligent Power Distribution Automation System or a Plant Automation System that integrates instrument and electrical requirements. All monitored values are available via RS485 comm. port running the Modbus protocol. EV-100   $249.00 Lead time two weeks or less. Not UL listed. Accuracy is revenue grade rated. METERING Parameter Acc. Resolution Range Voltage 0.50% 0.10% 20v-500 kV Current 0.50% 0.02% 0-9999 A KW 1.0% 0.10% 999999 kW Kvar 1.0% 0.10% 999999 Kvar Kva 1.0% 0.10% 0-999999 KVA Power Factor 1.0% 0.10% 1.0 -0- 1.0 Frequency 0.2% 0.01Hz. 45-65Hz. KWh 1.0% 0.1KWh 999999 KWh COMMUNICATIONS Type RS485  2 wire half duplex isolated   Baud rate 1200-1900bps     Protocol Modbus RTU     Function Read Write setpoints     Read Actual Values     Execute Commands     INPUT CT Input 5 Amp Secondary     Burden 0.2VA     Overload 2x CT Continious     20x CT for 1 second     Full Scale 120% of CT     PT/ Pri/Sec Direct 100-400     Input Range 20-400V     POWER SUPPLY     Input 85-264Vac, 50/60 Hz.   100-280Vdc     Power 2W