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The Pyxis LS series general purpose ultrasonic sensors are innovative ultrasonic liquid level sensors that replace float, conductance and pressure sensors that fail due to contact with dirty, sticky, and scaling liquids in small, medium, and large capacity tanks.




(Ultrasonic level sensor)

Liquid level sensors that can be used in both open and closed tanks, these sensors provide continuous level measurement up to 78 inches (6.6 feet or 2 m) with a 4-20 mA signal output. They can be configured via the free uPyxis® app. The sensor can be powered by 4 AA alkaline batteries or a 24V DC external power. This battery powered, and Bluetooth-enabled digital output level sensor is perfectly suitable for applications where wires are difficult to layout, resulting in substantial monetary benefits during installation. A 1.3’’ push button OLED interface allows for device configuration and instant access to process data. This non-contact liquid level sensor is well suited for corrosive liquids and can be used for cooling towers, boiler day tanks, other chemical feed applications. LS-202EX is the Class 1 Div 2 Certified version of this platform.
Manufactured by: Pyxis Lab Inc., USA

  • Water level sensors
  • Water and process chemical tank level sensors
  • Liquid level transmitters
  • Other applications requiring accurate and continuous liquid level control or liquid level measurement
  •   Key Features 
  • Dual embedded transmitters in sensor body for selection: 4-20 mA or RS-485 supporting MODBUS
  • Bluetooth® version 4.1 for measurement result output and configuration (100+ feet line of site)
  • 1.3’’ OLED and 4 push-buttons for measurement display and configuration
  • Two power supplies: 4 AA alkaline batteries or 24V DC external power, and smart switch capability
  • Easy and quick configuration via the uPyxis® app on mobile phones or PCs
  • Can be paired with Pyxis BTA-100 or BTA-400 Bluetooth gateway to output 4-20 mA PVDF transducer and 6P polycarbonate enclosure for corrosive liquids
  • Automatic temperature compensation for accurate measurement despite condensation
  • Accuracy: 0.15% of reading or 0.5 mm
  •   Specifications 
  • P/N: 54002
  • Range: 4 – 78 inches (0.1-2 m)
  • Accuracy: ±0.15% of range
  • Resolution: 0.2 inch (0.5 mm)
  • Dead band: 4 inches (10 mm)
  • Configuration: uPyxis® app in mobile phones
  • Power supply: 4xAA batteries/24V DC, 1W max.
  • Signal output: Bluetooth® version 4.1 4-20mA, RS485 MODBUS
  • Enclosure rating: IP 65
  • Process mount: 1’’ NPT
  • Storage temperature: -4°F to 158°F (20°C to 70°C)
  • Operational temperature: 14°F to 140°F (10°C to 60°C)
  • Enclosure material: Polycarbonate
  • Transducer material: P VDF
  • Dimension: 6.8inch (172mm) long, 3.1inch (80mm) diameter
  • Weight: 550g (1.3 lbs)
  • Regulation: CE
  • (With Pyxis’ continuous improvement policy, these specification are subject to change without notice.)
  • Visual display on sensor
  • Battery life up to 9 months due to the ultra-low power design and smart power management

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