Sensors and Sensing Systems

LLS-01 Liquid level sensor

Type: Customable sensor for a wide pressure range (0-20 bar), IP68

Application: water height monitoring, hazardous environment monitoring, geotechnical, marine, etc.

Installation method: Mounting brackets – weldable, screwable

Temperature compensation: Integrated

Downloads
Characteristics
  • Liquid and gaseous environment applicability
  • Relative or absolute pressure measurement.
  • Customizable for different pressure ranges (1, 4, 7, 10, 15 and 20 bar)
  • 2-fiber port configuration allowing for chain formation with a variety of FBG-based sensors on single fiber line
  • Ruggedized housing suitable for harshenvironments
  • Extremely small drift (<0.5%FS/year)
  • Very high accuracy and stability
Applications
  • Water height monitoring
  • Pore water pressure measurements
  • (Hazardous) tank monitoring
  • Geotechnical applications
  • Marine & offshore applications
3D View
Loading file
  • Fullscreen
  • Wireframe
  • Zoom In
  • Zoom Out
  • Rotation
  • Screenshot
  • Help

Controls

×
  • Rotate with the left mouse button.
  • Zoom with the scroll button.
  • Adjust camera position with the right mouse button.
  • Double-click to enter the fullscreen mode.
  • On mobile devices swipe to rotate.
  • On mobile devices pinch two fingers together or apart to adjust zoom.
  • On mobile devices 3 finger horizontal swipe performs panning.

Product specification

Performance properties
Measured parameter
relative or absolute pressure 1)
Pressure range
1-20 bar 2)
Operating temperature range
-20°C to +60°C
Resolution
0.1% FS 3)
Accuracy
<1% FS 3)
Precision
<0.5 % FS 3)
Pressure sensitivity (1bar range)
4pm/1mbar
Operating humidity range 0 – 95 % Relative Humidity
Burst pressure
up to 150 % FS 3)
Measurement rate
up to 100 measurements/second 2)
Occupied bandwidth
〜12nm
Ingress Protection rating
IP 68
Physical properties
Housing material4)
Stainless steel SS316L
Dimensions without cable
 Ø30 x 164 mm
Weight (without cable)
550 g
Cable type5)
7mm reinforced cable / 6mm PA12 (Nylon) tube
Cable length6)
2mtr
Cable Bend Radius (dynamic)
80 mm
Cable Bend Radius (static)
70 mm
Connector type7)
FC/APC
Pressure inlet thread
G1/8
Porous stone 8)
Optional – upon request
Packaging Cardboard box with dimensions: 370x290x45mm
Quality Statement The sensor is compliant with IEC 61757:2018 and IEC 61757-2-1:2021. All sensors are 100% tested and calibrated at SYLEX. Sensor is manufactured according to ISO 9001:2008 and ISO 14001:2004

Notes:

1)Absolute pressure sensor available upon request 2)Standard configuration includes pressure ranges: 1, 4, 7, 10, 15, and 20bar 3) FS: full-scale range 4) Other housing materials are available on request 5) For liquid level monitoring, the LLS-01 will be equipped with a cable with air channels connected to the sensor through a bottle splice 6) Cable length is extendable on request 7) Other connector types available on request 8) MG40 316 sintered stainless steel (high permeability)

Related products

WCP-01 is a IP67 watertight connector protection for FC/APC connectors

LCP-03 is an optional product modification for extending sensors cable lengths.

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