Active Member
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[China]
Address: No.13, Guannanyuan Road, Hongshan District, Wuhan City, Hubei Province, China
Contact name:
Wei Dian Union(Hubei) Technology Co.,Ltd. |
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50 Hz Digital Frequency Panel Meter , Digital Frequency Counter
Enhanced Pc Shell
1. Description:
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.
| 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 | |
- 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
| Model Name | Basic Data | Model No | Dimension(mm) | Cut-out (mm) |
| Three-Phase Frequency Meter |
| 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. Application:
Digital intelligent meter are electric unit measuring instrument
with function of programmable measurement,display and digital
communication, etc. Utilize AC/DC sampling technology, be able to
measure current, voltage, power, power factor, frequency in power
transmission & distribution system,
widely used in power transforming, distribution automation,
intelligent building and power monitoring,
site-inspection & remote monitoring also available.
6. Package & Shipment:
