WENZHOU MEIHENG ELECTRIC CO.,LTD
WENZHOU MEIHENG ELECTRIC CO.,LTD Join us,Let us work together in cooperation with your company!
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Digital Panel Meter Description:
Functions and applications:
Intelligent digital meters suitable for electricity grid, automated control system for voltage, current, active power, reactive power, apparent power, power factor and frequency measurement of electrical parameters from digital (LED) or liquid crystal (LCD) display directly. Has shown an intuitive, high precision, stable performance and strong isolation, anti-vibration and so on. A variety of optional extensions, including RS-485 communications, digital input, digital output and analog output and other quantitative relations, rich dimensions can be easily replaced pointer instrument.
Product standards:
IEC 62053-22:2003 power volume measuring equipment (AC) - special requirements - Part 22: static watt-hour meter (0.2S and 0.5S level);
IEC 62053-23:2003 power volume measuring equipment (AC) - special requirements - Part 23: static watt-hour meter (2S and 3S level);
Dimensions:
| Item | Surface frame size (mm) | Hole Size (mm) |
| 96*96mm | 96*96 | 92*92 |
| 96*48mm | 96*48 | 92*45 |
| 72*72mm | 72*72 | 68*68 |
| 48*48mm | 48*48 | 45*45 |
96*96mm,72*72mm Series of digital combination meter:
Performance feature:
High-precision measurement of three-phase voltage, phase current, active power, reactive power, apparent power, power factor, frequency and other electrical parameters;
Provide digital display, supports LCD show, query local data;
Programmable current and voltage change ratio;
Supports RS-485 communication, Modbus-RTU protocol;
Support switch volume input, switch volume output, analog volume transmission output;
Set parameters will not be lost after power failure Auxiliary power: AC/DC 80V ~ 270V, AC220V, AC380V, AC100V, DC48V, DC24V;
Variety of appearance options to meet the requirements of different cabinet body electric loop;
Technical Specification:
| Measuring accuracy | 0.5 Class | ||||||||
| Voltage | 0.5 Class | ||||||||
| Current | 0.5 Class | ||||||||
| Active power | 0.5 Class | ||||||||
| Reactive power | 0.5 Class | ||||||||
| Power factor | 0.5 Class | ||||||||
| Frequency | 0.5 Class | ||||||||
| Signal input | |||||||||
| Wiring mode | Single-phase,Three-phase four-wire, three-phase three-wire | ||||||||
| Rated current | AC1A,AC /5A | ||||||||
| Rated voltager | AC57.7V,AC100V,AC220V,AC380V | ||||||||
| Overload | Voltager: 1.2-times (continuous), 2 times/1 seconds (instantaneous) | ||||||||
| Current: 1.2-times (continuous), 10 times/5 seconds (instantaneous) | |||||||||
| Power | Voltager:<1VA/ phase ; Current:<0.4VA/phase | ||||||||
| Impedance | Voltager:>300KΩ; Current:<20mΩ | ||||||||
| Frequency | 45~65Hz | ||||||||
| Auxiliary power supply | |||||||||
| Scope of work | AC/DC 80V~270V,AC220V,AC380V,AC100V | ||||||||
| Power consumption | <4VA | ||||||||
| Select function modules | |||||||||
| Communication interface | 1-way RS-485 communication, Modbus-RTU protocol | ||||||||
| Baud Rate:1200~9600bps, default 2400 bps | |||||||||
| Switch volume input | Supports 4-way dry contact input | ||||||||
| Switch volume output | Supports 3-way relay output, capacity: AC 250V/5A, DC 30V/5A | ||||||||
| Transmission output | Supports 1-way analog output: 0/4~20mA or 0~5/10V | ||||||||
| Security | |||||||||
| Insulation resistance | >100MΩ | ||||||||
| AC voltage | AC 2KV | ||||||||
Typical signal wiring diagram:
Working Environment:
Operating temperature:-10℃～+55℃
Storage temperature:-25℃~+70℃
Relative humidity:≤93％,Place without corrosive gas
Elevation:≤2500m
Further information:
1. Plastics materials: all raw materials are brand-new and second-hand materials are forbidden. Furthermore some of them are supplied by super branding companies like DSM, Mitsubishi.
2. There is just one level of quality as A in MEIHENG and we are aim to provide the excellent articles to our clients and help them gain more market shares.
3. ODM: we are providing ODM services to the super companies (more than 15) who are top-10 electrical industrial companies in their country. Just show us your ideas and we will present a solution.
FAQ
A. How's the delivery time?
Depend on your quantity, usually within 20days after receiving deposit
B. Would you accept OEM/ODM service?
Glad to say that there is planning department, technical department and mould tooling center in
our factory. For the OEM & ODM, it is ok for us if your brand, market shares are great.