Digital frequency meter
Measuring frequency in the networks
CE,RoHs certification
Over 20 years experience
Port: Shanghai
Minimum Order Quantity: 1 Piece/Pieces
Supply Ability: 10000 Piece/Pieces per Month
Payment Terms: L/C,T/T,Western Union,MoneyGram,paypal
Contact SupplierPackaging Detail: 1 pc/ paper box
Delivery Detail: 7~12 days
Digital frequency meter
1.Applied in power networks and power auto-control systems;
2.Mainly measure the parameters of the frequency;
3. Size: 96X96mm, 80x80mm, 72x72mm, 48x48mm, 96x48mm
Opptional functions:
1. can be with RS485 interface, MODBUS-RTU protocol.
2. Analog output can be selected, output range DC 4~20mA, 0~5V
3. Switch input, which is usually 2-phase or 4-phase, at most 8-phase input(96 shape above)
4. Switch output, which is at most 3-phase, can be remote control
Technical parameters
Technical Parameter | Value | ||
Accuracy Class | Display accuracy: 0.5 Class Frequency accuracy: 0.1 Class Transmitter Accuracy: 0.5Class | ||
Display | 4 digits(can be added as requirements) | ||
Input | Frequency | 50Hz +/- 10% | |
Voltage | Rating | AC100V 220V 380V, DC 75mV | |
Over load | 1.2 times continuous, instantaneous 2 times/10 second | ||
Current | Rating | AC 1A 5A, DC 4~20mA | |
Over load | 1.2 times continuous, instantaneous 10 times/5 second | ||
Power supply | Voltage range | AC,DC 80V~270V, Linear power supply: AC 220V+/- 10% | |
Power consumption | ≤3VA | ||
Environment | Temperature | -10~+55°C | |
Humidity | ≤93%RH, without corrosive | ||
Altitude | ≤2500m | ||
Insulation resistance | ≥100 MΩ | ||
Mean Time Between Failures | ≥50000hours |