Product Name:digital solar LNF33 72*72 double tariff kwh meter electric power smart kwh meter
LNF33 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.
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) | |
LNF53 | LNF56 | ||
Real-time measurement | U/I/P/Q/S/PF/F | - | - |
Demand | - | - | |
Energy metering | Bi-directional energy | - | - |
Four-quadrant reactive energy | - | - | |
Sequence component and phase position of voltage and current | - | - | |
Voltage and current unbalance | - | - | |
Input and output | Input and output | - | - |
RS485 communication interface | - | - | |
Appearance dimension | Display mode | LCD | LCD |
Panel size(mm) | 72×72 | 96×96 |
LNF33 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.
SMT AOI Test Plug-In Mounting
Wave Soldering Assembling Inspection
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.