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digital frequency meter
digital frequency meter
Supplier Info
[China Supplier]
Contact Person : Mr. Fan Andy
Tel : 86-577-62986660
Fax : 86-577-62981658
Product Detail
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

AccuracyDisplay accuracy: 0.5,0.2 class, Frequency meter 0.1 class, Transmitting: 0.5 class
Display4 digit LED display with sign bit
InputNominal inputCurrent AC1A,AC5A and etc;Voltage AC100V,AC220V,AC380V and etc.
OverloadingContinuance: 1.2 times, Instantaneous: current 10 times(5s), Voltage 2 times(10s)
Frequency50/60Hz±10%
Power supplyAuxiliary power supplyAuxiliary supply power AC/DC80~270V,AC220V,DC220V and etc.
Power consumption<4VA
Isolation withstand voltagePower 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 conditionAmbient temperature: -10~55°C, Relative humidity ≤93%, No corrosive gas, Height above sea level≤2500m
OutputAnalog valueWhen DC4~20mA current output, Load100kΩ
Digital valueRS-485 interface, MODBUS-RTU protocol, Baud rate default 9600(optional 4800,9600)bps

digital frequency meter

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