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JC-311 passive wireless temperature online monitoring system
JC-311 passive wireless temperature online monitoring system uses surface acoustic wave (SAW) devices as sensors, combined with wireless temperature collectors to realize the collection and transmission of sensor information. The sensors are installed on the measured point and can be connected without a connection. The temperature information of the measured point is transmitted. The sensor itself does not need power supply, and does not need to take electricity from the power equipment, so it has outstanding safety, reliability and maintainability. This technology is a disruptive technology in the safety online monitoring of high-voltage equipment, and is a breakthrough in the real-time temperature monitoring technology of high-voltage equipment in smart grids.
Keyword:
Power IoT sensors Smart power distribution Internet of Things Smart cable tunnel gallery Smart power generation Internet of Things Smart Internet of Things
Product Details
Temperature Sensor
Features Quartz crystal piezoelectric temperature sensor
Attenuation characteristics -30dB min.
Temperature linearity <0.5%
Aging characteristics @200℃ <0.3K@First 1000Hrs
High voltage resistance 220KV
Accuracy ±1°C
Temperature measurement range -20°C~125°C
Design service life 20 years
Temperature host
Function Frequency hopping wave transmission and echo analysis
Center frequency 433M
Working voltage 5V/DC
Working current <200mA
Transmitting power (micro power) <10dBm
Receiving sensitivity -120dBm
Temperature reliability 100%
Temperature loss rate <0.3%
Data protocol RS485 MODBUS RTU/IEC61850
Data refresh frequency 0.1Hz Typical
Receiver appearance size 143x105x40
Design service life 20 years
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