Smart Led Display Digital Contact Tachometer Cleaer Window Screen Local Data Query
1. Quick Overview:
WD-AS 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. Technical Parameters:
| 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 Features:
- High-precision measurement of rpm meter
- Active power display, the local data query
- The current transformation ratio programmable settings
- Support for RS-485, Modbus-RTU Protocol
- Support the switch quantity input. digital output, analog output quantity transducer
- Auxiliary power supply: ACDC 80V-270V,AC220V,AC380V,AC100V,DC48V,DC24V
- Choose a variety of profiles, meet the requirements of different Cabinet electrical circuits.
4. Ordering Code:
| Model Name |
Basic Data |
Model No |
Dimension(mm) |
Cut-out (mm) |
Single-Phase
Digital Tachometer |
- LED Display
- Input: From sensor output
- Transformation ratio: adjustable
- Measurement: Speed of Revolution
|
WD-9S-□ |
120*120 |
111*111 |
| WD-3S-□ |
96*96 |
92*92 |
| WD-AS-□ |
80*80 |
76*76 |
| WD-BS-□ |
72*72 |
68*68 |
| WD-DS-□ |
48*48 |
45*45 |
5. Wiring Diagram:
6. F & Q:
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.
- Is your company manufacturer or trading company?
Yes, we are the manufacturer, we buy house and develop moudles all by ourselves.
- What is the warranty of your products? and how about your quality?
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.
- How about your payment term and shipment?
We accept T/T, L/C and western union, prefer to TT, delivery date should be within one week after payment.
- What’s your advantage? Why should I choose your company?
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.
Product Tags:
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Smart Led Display Digital Contact Tachometer Cleaer Window Screen Local Data Query Images
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