1. Calculate the liquid level height based on the time from ultrasonic emission to reception.
2. Water level monitoring and automatic low water level alarm, time display and alarm
3. Real-time understanding of water tank/indoor temperature
4. Transmission frequency band: 433MHz
5. Transmission distance: 100 meters (open space), 30 meters (effective distance)
6. Transmitter parameters:
Waterproof grade: IP65
Power supply: 6xAAA (1.2V) (not included)
Weight: 216g
Size: 6.8×10.9×16.7cm
Temperature resolution: 0.1 degrees Celsius, accuracy: +/-1 degrees Celsius
Water level resolution: 0.01m, accuracy: +/-0.05m
Water level measurement range: 1-5m
7. Receiver parameters:
Indoor temperature range: 0-50 degrees Celsius, 32-122 degrees Fahrenheit
Resolution: 0.1 degrees Celsius
Accuracy: +/-1 degree Celsius
Water tank temperature measurement range: -40~60 degrees Celsius, -40~140 degrees Fahrenheit
Alarm duration: 120s
Power supply: 3xAAA batteries (not included)
Weight: 184g
Dimensions: 13.5×2.6×8.4cm
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