LU30 series integrated ultrasonic level gauge (within 7.4 meters)Detailed product description：

Three wire ultrasonic level gauge
characteristic
☆ Non contact, 4-20mA output level gauge
Accurate and reliable measurement within 0.5 feet (15cm) to 24.5 feet (7.4m)
☆ Equipped with full range automatic temperature compensation function
☆ 8-degree sound beam angle can be used in narrow installation space environments
☆ NEMA4X sturdy shell PVDF material all plastic structure
☆ LED digital liquid level display in inches or centimeters
☆ Easy Cal button calibrates all user set points
Internal relays can achieve alarm or automatic filling/emptying operations
☆ Failure protection logic circuit realizes loss protection of power supply and reflection

application
Suitable for industrial agents including hydrochloric acid, hydroxides, wastewater, resin adhesives, waxes, alkaline solutions, and bleaching agents
Technical Principles
Ultrasonic waves emit pulses 8 times per second from the sensor, and the sound waves reflect from the surface of the medium to the sensor. The microprocessor measures the generation and return time of sound waves, and converts the digital signal into the distance between the sensor and the liquid surface

performance
Range: 0.5 feet (15cm) to 24.5 feet (7.4m)
Accuracy: ± 0.25% of full range in air
Resolution: 0.125 (3mm)
Frequency: 50KHz
Pulse frequency: 8 times per second
Launch angle: 8 ° conical shape
Dead zone distance: minimum 6
Display type: 4-segment LED
Display unit: inches/centimeters
Memory: Power off automatic save function
Power supply voltage: 14-36VDC
Power consumption: maximum 200mA
Current quantity: source/sink
Signal output: 4-20mA, 14-36VDC
Signal conversion: 4-20/20-4mA
Signal average: fast/slow
Calibration: Button
Relay type: (1) SPDT
Relay current: 250VAC, 10A, 1/2hp
Relay indicator: ON/OFF status
Contact resistance: 30 milliohms
Failure protection diagnosis: Relay switching to safe position
Temperature range: F: -40 ℃~140 ℃ C: -40 ℃~60 ℃
Temperature compensation: with automatic temperature compensation function across the entire range
Pressure level: 30psi (2bar) at 25 ℃, decreasing by 1.667psi (113bar) per degree Celsius above 25 ℃
Shell level: NEMA4X/IP65
Shell material: PP polypropylene
Sensor material: PVDF polyvinylidene fluoride
Installation thread: 2NPT or 2G
Installation gasket: 2 fluorinated rubber
CE certification: EN50082-2 immunity EN55011. commission EN61010-1safety