
Wd-Bl Digital Measurement Meter Single Phase For Power Distribution
System
1. Product Introduction:
WD-BL Single-phase rpm meters are used for measuring and monitoring
the power distribution system. This series of meter can measure rmp
in power distribution or other applications.
It combines the measurement, the analysis and the operation
together, makes the information become clearer, and the operation
become easier.
2. Main Technical Data:
Technical Index | Value | |
Input | Nominal value | Voltage AC:100V,220V,380V; Current AC: 1A/5A |
Overload | Continuous: 1.2 time/1s; Instant: 10 time/1s | |
Frequency | 45-65Hz | |
Consumption | <0.5VA | |
Accuracy | 0.2% | |
Function | Display | LED or LCD |
Communication | RS485,Modbus-RTU protocol | |
Alarm | One channel passive relay; Contact capacity: 3A/30VDC,3A/250VAC, high, low, unbalance alarm etc. | |
Analog | DC4-20mA, DC0-20mA(Load<500Ω), DC0-5V(Load >1kΩ) | |
Input: 2-4 channel dry contacts, power inside, optocoupler insolation | ||
Output: 2 switch output,normal open contact of relay | ||
Contact capacity: 3A/30VDC,3A/250VDC | ||
Power Supply | Voltage Range | AC/DC85-270V |
Power consumption | <5VA | |
Insulation resistance | ≥100MΩ | |
Power Frequency Withstand Voltage | 2kv/1min | |
Environment | Temperature | Opertation: -25-55℃, Storage: -20℃-75℃ |
Humidity | ≤93RH, no condensation, without corrosive | |
Attitude | ≤2500m |
3. Main Characteristics:
1).High precision measurement of Single- phase pressure in power distribution system and other applications.
2). To provide a nixie tube or liquid crystal display,local data query.
3). Current and voltage gain programmable settings.
4). Support for RS- 485 communication, Modbus-RTU protocol.
5). Support for switching input, output, analog quantity transmitting output.
6). Auxiliary power supply: AC/DC 80V~270V, AC220V.
7). A variety of shapes, to meet the different req-uirements of the cabinet body electric circuit.
4. How to Order?
Model Name | Basic Data | Model No | Dimension(mm) | Cut-out (mm) |
Single-Phase Digital Mpa Meter |
| WD-9L-□ | 120*120 | 111*111 |
WD-3L-□ | 96*96 | 92*92 | ||
WD-AL-□ | 80*80 | 76*76 | ||
WD-BL-□ | 72*72 | 68*68 | ||
WD-DL-□ | 48*48 | 45*45 |
5. Wiring Connection And Ternimal Diagram:
6. Optional Functions:
7. FAQ:
Wei Dian Union is a new company, eastablished in the year of 2015, we have 15 technical engineer and 10 sales man, including domestic and international sales. Our team is young, which guarantee us more vitality.
Yes, we are the manufacturer, we buy house and develop moudles all by ourselves.
All of our meters have 18 months warranty, and we cooperate with the university to develop new items and quality control, besides our own technical team.
We accept T/T, L/C and western union, prefer to TT, delivery date should be within one week after payment.
Price: Compared with other famous company, our cost is much lower;
Quality: We have strict quality control, each meters have to accept life-time testing & inspection.
Sales supports: We are not big company, so our policy is flexible, quick action to any requirements.
Wei Dian Union(Hubei) Technology Co.,Ltd.
Wei Dian Union(Hubei) Technology Co.,Ltd. Located in Optics Valley of China--- Wuhan East lake high-tech development Zone, established in 2008, with factory area of 50002 and 120 employees, We are the member of National Standardization Committee for Electric Meters & Instruments.
Wei Dian Union are specialized in manufacturing electric measuring instrument and current transformer with a concentration in R&D, Production, sales & after sales, which guarantee us strictly comply with standard of GB/T22264-2008 & GB/T7676-98 to operate. Now , we have ISO9001-2008 certificate, digital meter have passed CE, while marine meter approved by China Classification Society (CCS).
Our products are widely used in transmission & distribution power system of shipping, aviation, railway, oil, chemistry, metallurgy, electric, power station, intelligent building, industrial instrument, etc.
Weidian Union has a great team to service domestic & overseas customers. With the help of university, our technical department are able to share with the newest techonology to promote upgrade of products. Our sales team divided into domestic and international sales, which help customers on pre-selling, sales and after service, make sure to satisfy diversity demands from customers, the team always ready in 7*24 hours. Producing & QC department: Over 3 years' skilled workers,to fulfill the producing, assembling and adjusting works.
With the principle of “Pursuing for precision and perfection, unifying thinking and behavior ”, continuous exploration and innovation to meet customers’ demands. Reliable quality and good after-service receive more and more trust from users.