Ultrasonic Level Sensors

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Manufacturer: Omega(USA)

Model: LVU150R Series

Introduction: 

      OMEGA’s ultrasonic sensors deliver accurate and reliable liquid level detection with an SPST mechanical relay output. The technology provides a high level of ultrasonic sensitivity, including resistance to vapor and turbulence. The ultrasonic sensor utilizes a fork-shaped sensor which contains two piezoelectric crystals, one of which acts as the ultrasonic transmitter, and the other as a receiver. If the air gap between the points of the fork fills with liquid, the sonic wave passes from one crystal to the other.

Specifications: 

Accuracy: ±1 mm (0.04") in water
Repeatability: ±0.5 mm (0.02") in water
Dead Band Hysteresis: 1 mm in water
Voltage Input: 12 to 36 Vdc
Current Output: 25 mA max.
Relay:
     GP: 120 Vac/Vdc @ 1 A
     CE: 60 Vac/Vdc @ 1 A
Switch Mode: Selectable, NO or NC states
Wetted Materials: Polypropylene (PP) or Perfluoroalkoxy (PFA)
Temp. Rating: -40 to 90ºC (-40 to 194°F)
Max Pressure Rating: PP:150 psi @ 25°C (76°F) derated @ 1.667 psi per °C above 25°C (76°F)
Loop Resistance: 600 ohm @ 24 Vdc
Standard Cable Length: 3 m (10')
Max Cable Length: 305 m (1000')
Dimensions: 76.2 or 114.3 L x 26.7 mm Dia. (3.0 or 4.5 x 1.05") (3⁄4" NPT)
Enclosure Rating: NEMA 6 (IP68) submersible sensor and cable

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