LCD Multi-function Power Meter With Power Pulse Output and RS485 Communication Function, Large Screen LCD Display Meter Business
5 years ago - Electronics - Anuradhapura-- ₨
I. The Brief Introduction.
LCD multifunctional power meter is one multifunctional instrument with measurement, display, digital communication and input, output, etc function. It can measure multiple electrical parameters such as current, voltage, power, electric energy, frequency and power factor in the power grid. With power pulse output and RS485 communication function. With large screen LCD screen.
There are a variety of extension functions to choose from.
Four-way discrete input; Four-way discrete output; Four-way variable output.
LCD multifunctional power meter has high performance-price ratio, can replace traditional multiple measuring instruments, convenient field wiring, and improve system reliability. Modbus communication protocol for easy computer programming or reading data. Widely used in a variety of power distribution, metering and various power collection, transmission systems.
II.The Technical Parameter.
| Performance | Parameter | ||
|---|---|---|---|
| Input measurement display | Network | 3-phase 3-lines, 3-phase 4-lines | |
| Voltage | Rated value | AC100V/220V/380V/500V | |
| Overload | Duration: 1.2 times Instantaneous: 2 times/1S | ||
| Power consumption | ＜1VA（Each phase） | ||
| Resistance | ＞500KΩ | ||
| Accuracy | Class 0.5 | ||
| Current | Rated Value | AC1A/AC5A | |
| Overload | Duration:1.2 times Instantaneous:10 times/5S | ||
| Power consumption | ＜0.4VA（Each phase） | ||
| Resistance | ＜2mΩ | ||
| Accuracy | Class 0.5 | ||
| Frequency | 40-60Hz Accuracy 0.1Hz | ||
| Power | Active power, reactive power, accuracy class 1.0 | ||
| Electric Energy | Active power accuracy class 1.0; Reactive power accuracy class 1.0 | ||
| Display | Programmable switching (LCD) display | ||
| Power supply | Working range | AC220V or A/DC 80V~260V | |
| Power consumption | ≤2VA | ||
| Output | Digital interface | RS-485, MODBUS-RTU protocol | |
| Pulse output | 2 way energy pulse output | ||
| Circumstance | Working condition | 30℃~50℃ RH20%~90%(Without condensation) | |
| Storage condition | 45℃~75℃ RH20%~90% | ||
| Security | Power frequency withstand voltage | 2KV/1min AC RMS | |
| Insulation resistance | ≥100MΩ | ||
III.Functional module
*Communication interface: standard 1 way RS-485 communication, Modbus-RTU protocol, baud rate: 9600bps.
*Discrete output: support 4 way relay outputs, capacity: AC250V/5A, DC30V/5A.
*Discrete input: support 4 way dry node inputs.
*Transmission output: support 4 way simulation outputs, 4-20mA/0-20mA or 0-5/0-10V.
*Power pulse output, 1 way active energy, 1 way reactive energy pulse output, constant: 3200imp.
