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IPDB › China Industry › Instruments & Meters

China, Chinese Ammeter/LCD Digital Ammeter/Three -Phase AC Digital Ammeter/Lnf33 Ammeter¹ Industrial Products Supplier Manufacturer Details, price list catalog:

China Industrial Products Supplier Manufacturer List Catalog

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Meter for Electricity Energy Meter Power Meter Ammeter LCD Digital Ammeter

Yangzhou R & D Co., Ltd.

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Product Description LNF33 three-phase AC LCD digital ammeter is suitable for measuring three phase AC current parameters of low voltage distribution system. It supports programmable transformation ratio, and can be equipped with communication function to support Modbus-RTU communication protocol.LNF33 can be widely used in various control systems, distribution automation system, industrial automation system and intelligent buildings.Working environment Working temperature-10°C -- 55°CStorage temperature-25°C -- 70°CRelative humidity ≤95% RH, no condensationWorking altitude≤2500mAnti-pollution levelNon-corrosive gasProtection degreeFront case IP54, rear case IP20.InsulationBetween signal, power supply, output terminal to case resistance >100MΩWithstand voltageInput and power supply ≥ 2kV, input and output ≥ 2kV, power supply and output ≥ 2kVDisplayDisplay methodLCDWorking power supplyRated rangeAC/DC(80~270)VPower consumption≤5VAWithstand voltageInput and power supply ≥ 2kV, input and output ≥ 2kV, power supply and output ≥ 2kVCurrent inputRange5A/1AResolution 1 mAImpedance≤20mΩ/ per phasePower consumption≤0.2 VA/ per phaseOverloadContinuous:1.2InInstantaneous:10In/5sFrequency45 Hz-65 HzCommunication interface Physical interfaceRS-485Communication speedUp to 9.6 kbps Communication protocolModbus-RTUIsolation voltage2000 VAC (1 min)EMCElectrostatic discharge immunityIEC 61000-4-2-IIIRadiated, radio-frequency, electromagnetic field immunityIEC 61000-4-3-IIIElectrical fast transient/burst immunityIEC 61000-4-4-IVImpact (surge) immunityIEC 61000-4-5-IVImmunity to conducted disturbances, induced by radio-frequency fieldsIEC 61000-4-6-IIIPower frequency magnetic field immunityIEC 61000-4-8-IIIVoltage dips, short interruptions and voltage variations immunityIEC 61000-4-11-III

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