JC-311 passive wireless temperature online monitoring system
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