Firstrate FST100-7101A Intelligent Lora Pressure Wireless Water Level Sensor

Firstrate FST100-7101A Intelligent Lora Pressure Wireless Water Level SensorProduct Description  [Features]Low power consumption design, lithium battery power supply, no wiring construction,easy installation and maintenance,LoRa wireless transmission adopts MQTT communication protocol.  Range range (mH2O)     0~1...50 meters  Power supply voltage    3.6V lithium battery power supply 12~30VDC external power supply   Accuracy     ±0.5 %FS +1%FS  Temperature     -10~+70ºC  Working temperature     -20~+60ºC  Long-term stability(1year)   ≤0.2%FS   Overload pressure     200%FS  Working frequency band     470MHz/868MHz  Sampling frequency     10s~12h can be set (default 10s)  Sending frequency     1~1440 minutes can be set  Communication Protocol    Private Protocol/LoRaWAN (Class A,OTAA Mode Activation)  Degree of protection     Contact unit IP68,Industrial housing:IP65  Housing Material     Liquid Contact Material: 304 Stainless Steel,   Industrial Housing: Aluminum Die Casting or ABS  Power consumption   Sleep current: S20uA,sampling current: S5mA (for 1s)  Current   Average communication current: