Audited Supplier
LNF32E
Digital
Direct Connected
Multi-Functional Energy Meter
Single-phase
Electronic Meter
Terminal
Energy Meter
RoHS
Non-Customized
China
Product Description
LNF32E single-phase AC LED digital ammeter 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.
| Display | ||
| Display mode | LED | |
| Accuracy | ||
| Voltage | 0.5% | |
| Frequency | ±0.01Hz | |
| Current input | ||
| Range | 5A/1A | |
| Resolution | 1 mA | |
| Impedance | ≤20mΩ/phase | |
| Power consumption | ≤0.2 VA/phase | |
| Over current | Continuous: 1.2In; Instantaneous: 10In/5s | |
| Frequency | 45 Hz~65 Hz | |
| Communication port | ||
| Physical interface | RS-485 | |
| Communication speed | Up to 9.6 kbps | |
| Communication protocol | Modbus-RTU | |
| Isolation voltage | 2000 VAC (1 min) | |
| Working power supply | ||
| Rated range | AC/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 degree | No corrosive gas | |
| Protection degree | Front case IP54, rear case IP20 | |
| Insulation | Resistance between signal, power supply, output terminals and case >100MΩ | |
| Withstand voltage | Input and power supply ≥2kV, input and output ≥2kV, power supply and output ≥2kV | |
| EMC | ||
| Electrostatic discharge surge 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 | |
| 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 | |
