China Jfa3200 Digital DC Voltmeter Ammeter Volt Ampere Voltage Current Panel Meter

Description:
JFA3200 series AC voltmeter/ampere meter is a new intelligent meter which can programmable, It adopts large scale integrated circuit. Uses digital sampling technology to real-time measuring and control for voltage and current of single phase electrical circuit, the product replaces the traditional analog pointer type meter, has strong anti-interference, high reliability and stability and cost-effective, easy to install. It is widely used in energy, machinery, chemical industry, light industry and other industries.
The designs follows the national standard and industrial standard GB/T22264-2008Mounted digital display electric measuring instruments,JB/T10736-2007Low-voltage motor protectors,
GB/T15576-2008Low-voltage reactive power compensation assemblies,GB/T22387-2008Residual current operated relay etc.
Features:
4-bit LED digital display;
Collection AC voltage and current signal directly;
Analog output and communication function can be chosen;
Upper and lower limit alarm function, with alarm signal;
RS232 and RS485 serial interface supported by standard
MODBUS RTU communication protocol.
Technical parameters:

Measurement parametersMeasurement rangeMeasurement errorResolution ratiooverloadvoltage0.0~500.0V/AC±(0.2%reading+0.1% span)0.1VLast 120%;
instant: 2times/30SCurrent0.03~5A/AC±(0.2%reading+0.1% span)0.001ALast 120%;
instant: 2times/30S

Input and outputInput signalAC 0~500V input,voltage transformer is converted into a
voltage input with a full range of 100V If it is more than 500VDC 0~5A input,voltage transformer is converted into a
voltage input with a full range of 5A If it is more than 5A.Output signal4-20mA,0-10mA,0-20mA,1-5V,0-5VOutput loadCurrent type ≤500Ω,voltage type ≥250KΩAlarm outputrelay,capacity : AC220V/2A,DC24V/2ACommunicationMODBUS-RTU protocol,RS485 transmission distance≤1000m
RS232 transmission distance≤10m;signal transmission rate ≤9.6kbpsPile-up pulseOutput is OC(Open collector),Voltage: VCC≤48V, current: Iz≤50mAPowerpowerDC20-29V,AC/DC100-240V 50/60HzPower consumption≤5WOther parametersInsulation resistance
output/input/power≥100MΩ(500VDC)Dielectric strength
output/input/power1500Vrms(1 min,no spark)Working temp.0~50ºC(No condensation and icing)Relative humidity25%~85%RHStorage temp.-10~60ºC(No condensation and icing)

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