Ammeter/LCD Digital Ammeter/Single -Phase AC Digital Ammeter/Lnf32 Ammeter

• Display: Digital
• Installation: Direct Connected
• Usage: Multi-Functional Energy Meter
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: LNF32
• Electric Equipment: Single-phase
• Theory: Electronic Meter
• Power Meter Connection: Terminal
• Type: Energy Meter
• Certification: RoHS
• Customized: Non-Customized
• Origin: China
• HS Code: 85044019
• Production Capacity: 5000PCS/Year
• Package Size: 10.00cm * 10.00cm * 5.00cm
• Package Gross Weight: 0.500kg

Product Description

LNF32 single-phase AC LCD digital ammeter is suitable for measuring single 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.
LNF32 can be widely used in various control systems, distribution automation system, industrial automation system and intelligent buildings.

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 level	Non-corrosive gas
Protection degree	Front case IP54, rear case IP20.
Insulation	Between signal, power supply, output terminal to case resistance >100MΩ
Withstand voltage	Input and power supply ≥ 2kV, input and output ≥ 2kV, power supply and output ≥ 2kV
Display
Display method	LCD
Working power supply
Rated range	AC/DC(80~270)V
Power consumption	≤5VA
Withstand voltage	Input and power supply ≥ 2kV, input and output ≥ 2kV, power supply and output ≥ 2kV
Current input
Range	5A/1A
Resolution	1 mA
Impedance	≤20mΩ/ per phase
Power consumption	≤0.2 VA/ per phase
Overload	Continuous:1.2In Instantaneous:10In/5s
Frequency	45 Hz-65 Hz
Communication interface
Physical interface	RS-485
Communication speed	Up to 9.6 kbps
Communication protocol	Modbus-RTU
Isolation voltage	2000 VAC (1 min)
EMC
Electrostatic discharge immunity	IEC 61000-4-2-III
Radiated, radio-frequency, electromagnetic field immunity	IEC 61000-4-3-III
Electrical fast transient/burst immunity	IEC 61000-4-4-IV
Impact (surge) immunity	IEC 61000-4-5-IV
Immunity to conducted disturbances, induced by radio-frequency fields	IEC 61000-4-6-III
Power frequency magnetic field immunity	IEC 61000-4-8-III
Voltage dips, short interruptions and voltage variations immunity	IEC 61000-4-11-III