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LNF31 kwh meter digital wifi energy meter single phase introduction type energy meter

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Product Description

Product Name:LNF31 kwh meter digital wifi energy meter single phase introduction type energy meter

LNF31 multifunction power meter can measure all electrical parameters and bi-directional electric energy, with functions such as communication and energy pulse output. The instrument adopts ultra-thin design and is easy to be installed. As an advanced intelligent and digital grid front-end acquisition component, it can be applied for power monitoring systems and energy management systems to realize power data collection.

Technical Parameter

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	≥2kV
Voltage input
Range	3×230/400V
Resolution	0.1 V
Impedance	≥1.7 MΩ/ per phase
Power consumption	≤0.1 VA / per phase
Overload	Continuous:1.2Vn Instantaneous:2Vn/1min
Frequency	45 Hz-65 Hz
Current input
Range	3×5A/1A
Resolution	1mA
Impedance	≤20mΩ/ per phase
Power consumption	≤0.2 VA/ per phase
Overload	Continuous:1.2Vn Instantaneous:10In/5s
Energy pulse output
Pulse width	80ms±20%
Max. terminal voltage	35V
Max. terminal current	10mA
Pulse frequency	≤10Hz
Output object	Import active energy, import reactive energy
Communication interface
Physical interface	RS-485
Communication speed	Up to 9.6 kbps
Communication protocol	Modbus-RTU
Isolation voltage	2000 VAC (1 min)

Model Selection

		LNF53	LNF56
Real-time measurement	U/I/P/Q/S/PF/F	-	-
Real-time measurement		Demand	-	-
Energy metering	Bi-directional energy	-	-
Energy metering		Four-quadrant reactive energy	-	-
Power quality	Sequence component and phase position of voltage and current	-	-
Power quality		Voltage and current unbalance	-	-
Input and output	Input and output	-	-
Input and output		RS485 communication interface	-	-
Appearance dimension	Display mode	LCD	LCD
Appearance dimension		Panel size(mm)	72×72	96×96

Monitoring Solution

LNF31 can be used as single unit but also multi-devices running which control by an advanced monitoring software SFERE3000. SFERE3000 is a comunication management software which collect the data from the meters and upload them to the PC or Mobile phone tansmitted by the concentrator. It provides high performance of quality management such as power monitoring, error alam and long-range control to the factory, residencial area and commercial building etc. SFERE3000 is a patent product which developed by Jiangsu Sfere Electric Co., Ltd and the company owns the intellectrual property of it.

Production Process

SMT AOI Test Plug-In Mounting

Wave Soldering Assembling Inspection

Packing & Delivery

FAQ

Q: Are you trading company or manufacturer ?
A: We are factory located in Jiangyin Jiangsu Province.

Q: Does your company provide customized manufacturing?

A: We provide OEM/ODM service to our customers. Our experienced R&D team will give our customer solution in a high efficiency way.

Q: How long is your delivery time?
A: 3-5 working days for the items were in stock, 15-21days for the items out of stock.

Q: Do you provide samples ? Is it free or extra ?
A: You need to pay for the sample and cover the freight as well.

Q: What is your terms of payment ?
A: Order amount less than $3000, 100% paid before shipment, order amount more than $3000,30% as deposit, 70% before shipment, or by negotiated for the both parties.

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Jiangsu Sfere Electric Co., Ltd.

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Product Categories

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System	Ungrouped	Wireless data transmission and gateway

LNF31 kwh meter digital wifi energy meter single phase introduction type energy meter

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