digital frequency meter

1.Measure:single current/three current. 2.Display:single current LED display/LCD display,three current LED display/LCD display.

General

Intelligent Transmitting Meter integrate the functions with multi-value display, multi-loop transmitting and digital communication. It is widely used in power distribution system. And their high performance and high cost performance are recognized by our customers.

Technical Data

Accuracy		Display accuracy: 0.5,0.2 class, Frequency meter 0.1 class, Transmitting: 0.5 class
Display		4 digit LED display with sign bit
Input	Nominal input	Current AC1A,AC5A and etc;Voltage AC100V,AC220V,AC380V and etc.
	Overloading	Continuance: 1.2 times, Instantaneous: current 10 times(5s), Voltage 2 times(10s)
	Frequency	50/60Hz±10%
Power supply	Auxiliary power supply	Auxiliary supply power AC/DC80~270V,AC220V,DC220V and etc.
	Power consumption	<4VA
Isolation withstand voltage		Power and input supply,Transmitting output,Communication interface AC2kV, Input,Transmitting output,Communication interface between each other AC1kV
Insulation resistance		≥100MΩ
Mean time between failures		≥50000h
Operation condition		Ambient temperature: -10~55°C, Relative humidity ≤93%, No corrosive gas, Height above sea level≤2500m
Output	Analog value	When DC4~20mA current output, Load100kΩ
	Digital value	RS-485 interface, MODBUS-RTU protocol, Baud rate default 9600(optional 4800,9600)bps

digital frequency meter