3 Phase Digital Frequency Panel Meter High Accuracy Analog Output 4-20ma
1. Product Introduction:
Digital intelligent frequency meter are electric unit measuring instruments, which are able to measure voltage in transmission & distribution power system, widely used in power transforming, distribution automation, intelligent building and power monitoring.
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. Functions:
- Measure three phase frequency in low voltage distribution system;
- Suitable for replacing pointer meter;
- Suitable for HV & HV voltage system;
-. High accuracy IEC62053-21 0.5%;
-. Built in MODBUS-RTU via RS485 port;
-. Optional analog output 4-20mA / 0-20mA
4. Ordering Code:
| Model Name |
Basic Data |
Model No |
Dimension(mm) |
Cut-out (mm) |
Three-Phase
Frequency Meter |
- LED Display
- Input: Voltage
- Transformation ratio: adjustable
- Measurement: AC frequency
|
WD-2FA-□ |
120*120 |
111*111 |
| WD-9FA-□ |
96*96 |
92*92 |
| WD-3FA-□ |
80*80 |
76*76 |
| WD-AFA-□ |
72*72 |
68*68 |
| WD-BFA-□ |
96*48 |
92*45 |
| WD-DFA-□ |
48*48 |
45*45 |
5. Wiring Diagram:
6. Optional Function:
7. FAQ:
Q: Are you trading company or manufacturer ?
A: We are factory and trading company at same time. We have all kinds of resources in the electrical industry. All the products you need can be supply with lowest price.
Q: How long is your delivery time?
A: Generally it is 7 days if the goods are in stock. or it is 15-30 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Sample is available but customers have to pay.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance.
Q: How to send a inquiry for more information ?
A: You can find our contact information on the front page of the shop.
Product Tags:
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