- Energy Meters[6]
- Current Meters[6]
- Temperature Instruments[6]
- Voltage Meters[6]
- Power Meters[6]
- Multimeters[6]
- Frequency Meters[4]
- Transformers[1]
- Counters[1]
- Contact Person : Mr. Chiang John
- Company Name : Wenzhou New Shangcheng Meter Technology Co., Ltd.
- Tel : 86-577-61727903
- Fax : 86-577-61786903
- Address : Zhejiang,Yueqing City,Marenqiao Area,Liushi Town,Yueqing City,Zhejiang Province
- Country/Region : China
- Zip : 325604
frequency meter
1.Output Mode Option:
X: Display instrument with no output function
K: Relay contact outputB: Analog quantity transmitting output
T: RS485 communication interfaceS: Relay contact output + RS485 communication interfaceD: Analog quantity transmitting output + RS485 communication interfaceN: Relay contact output + Analog quantity transmitting output + RS485 communication interface
2.Technical parameters
Technical parameters Index | |||
Input | Voltage | Rated value | AC57.7V,100V,220V,380V |
Overload | Consistent 1.2 times instantaneous 2 times/30 sec | ||
Consumption | <1VA(each phase) | ||
Impedance | >500kΩ | ||
Current | Rated value | AC1A,5A | |
Overload | Consistent 1.2 times instantaneous 2 times/30 sec | ||
Impedance | <20mΩ(each phase) | ||
Frequency | 45-65HZ(Available in 30%—120% of voltage scope) | ||
Measuring accuracy | Voltage,current | ±(0.5%FS+digit) | |
Frequency | ±0.1HZ | ||
Source | Scope | AC 220V±10%,0/60HZ | |
Consumption | <5VA | ||
Safety | Withstand voltage | >2KV 50HZ/1min | |
Insulating resistance | Any two of input,output ,source,dasing>20mΩ | ||
Environment | Temperature | Operation:-10—50°C Storage:-25—70°C | |
Humidity | ≤85%RH,free of wet and corroslvegas | ||
Elevation | ≤3000m | ||
frequency meter
