LORAWAN ultrasonic gas meter,communication main board
LORAWAN ultrasonic gas meter,communication main board
Introduction
1.Function
Measurement method | Ultrasonic |
Valve control | Open and close valve remotely |
Anomaly alert | Abnormal fault reporting |
Vibrating alarm | Vibrating alarm & close valve |
High temperature alarm | Alarm when above the set temperature and close valve |
Historical data storage | Store hourly, daily, and monthly data for 90 days |
433 linkage | Linkage closing valve |
Parameter
1.Function
Measurement method | Ultrasonic |
Valve control | Open and close valve remotely |
Anomaly alert | Abnormal fault reporting |
Vibrating alarm | Vibrating alarm & close valve |
High temperature alarm | Alarm when above the set temperature and close valve |
Historical data storage | Store hourly, daily, and monthly data for 90 days |
433 linkage | Linkage closing valve |
2.Advantage
Low power consumption as low as 12-20 UA (sleep current), high cost performance, ultra-small size, high reliability (-40 To 85℃ temperature experiment), rich peripherals, embedded Lorawan protocol, AT command (support global frequency band settings ), support multicast communication based on ClassB/C. |
3.Technical parameter
Supply voltage | Main power:6V Backup power:3.0-3.6V |
Power supply mode | Main power + Backup power |
Screen display | Electronic display, button switch screen |
Ambient temperature | -40 TO 85 |
Antenna | Spring-loaded antenna |
Measurement method | Ultrasonic |
Motor port | Positive negative |
External storage | 256K |
AT settings | Pin type(4 Pin) |
4.Specification
Sleep voltage | 12-20UA |
Communication voltage | 20MA |
Support frequency band | EU433、CN470、EU868、IN868、AU915、AS923、US915 |
Communication protocol | Big-endian hexadecimal |
Vibration | Sensitive detection |
Temperature | Close the valve at high temperature |
Voice | Buzzer |
