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Voltmeter /LED Digital Voltmeter /Single -Phase AC Digital Voltmeter /Lnf22e Voltmeter

China Voltmeter/LED Digital Voltmeter/Single -Phase AC Digital Voltmeter/Lnf22e Voltmeter, Find details about China Voltmeter, LED Digital Voltmeter from Voltmeter/LED Digital Voltmeter/Single -Phase AC Digital Voltmeter/Lnf22e Voltmeter

Model NO.
LNF22E
Certification
RoHS
Customized
Non-Customized
Origin
China
Model NO.
LNF22E
Certification
RoHS
Customized
Non-Customized
Origin
China
Package size per unit product
10.00cm * 10.00cm * 5.00cm
Gross weight per unit product
0.500kg

LNF22E single-phase AC LED digital voltmeter supports programmable transformation ratio and RS485 communication with Modbus RTU protocol. It can be used to directly replace analog pointer voltage meter and can be widely used in different control systems, power transformation and distribution automation, industrial automation and intelligent buildings.Voltmeter/LED Digital Voltmeter/Single -Phase AC Digital Voltmeter/Lnf22e Voltmeter
Voltmeter/LED Digital Voltmeter/Single -Phase AC Digital Voltmeter/Lnf22e VoltmeterVoltmeter/LED Digital Voltmeter/Single -Phase AC Digital Voltmeter/Lnf22e Voltmeter
Display
Display modeLED 
Accuracy
Voltage0.5% 
Frequency±0.01Hz 
Voltage input
Range57.7/100/230/400V 
Resolution0.1 V
Impedance≥1.7 MΩ/phase
Power consumption≤0.1 VA /phase
Over voltageContinuous:1.2Vn; instantaneous: 2Vn/1min 
Frequency45 Hz~65 Hz 
Communication port
Physical interfaceRS-485 
Communication speedUp to 9.6 kbps
Communication protocolModbus-RTU 
Isolation voltage2000 VAC (1 min) 
Working power supply
Rated rangeAC/DC(80~270)V 
Power consumption≤3VA 
Withstand voltage≥2kV 
Working environment
Working temperature-10°C -- 55°C 
Storage temperature-25°C ~ 70°C 
Relative humidity≤95%RH, no condensation 
Working altitude≤2500m 
Anti-pollution degreeNo corrosive gas
Protection degreeFront case IP54, rear case IP20
InsulationResistance between signal, power supply, output terminals and case >100MΩ
Withstand voltageInput and power supply ≥2kV,
input and output ≥2kV,
power supply and output ≥2kV
EMC
Electrostatic discharge surge immunityIEC 61000-4-2-III
Radiated, radio-frequency, electromagnetic field immunityIEC 61000-4-3-III  
Electrical fast transient/burst immunityIEC 61000-4-4-IV
Surge immunityIEC 61000-4-5-IV
Immunity to conducted disturbances, induced by radio-frequency fieldsIEC 61000-4-6-III
Power frequency magnetic field immunityIEC 61000-4-8-III
Voltage dips, short interruptions and voltage variations immunityIEC 61000-4-11-III


 

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