Fluid Components International Liquid Level Sensor, Model AS-LLE
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Model AS-LLE Liquid Level Sensor

Brand: Fluid Components International LLC (FCI)
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Does not ship to OH, United States

The AS-LLE liquid level element utilizes single or multiple RTDs mounted in thermowells for direct installation into tanks, reservoirs, sumps and gearboxes on commercial and military aircraft, spacecraft, vehicles and marine applications.

This sensor is also available as single point and multipoint liquid level and interface elements that connect to FCI or customer provided electronics to indicate presence or absence of liquid level or interface at the sensing point(s).
Features
  • No moving parts
  • Gas/liquid detection
  • Liquid/liquid interfase detection
  • Simple installation
  • Single and multipoint sensing
  • Simultaneous liquid and temperature indication
  • Extreme temperture, presure and vibration service
  • High reliability and maintenance free
  • Corrosion, abrasion and fouling resistant
  • Rugged, light, compact design

Specifications

Brand

Adjustment Type

  • Switch Point Adjustment: Factory Set (Pre-Set)

Applications

  • Aerospace & Military Applications
  • Automation of Sight Gauge Level Detection
  • Collection Sumps
  • Coolant Reservoirs
  • Fuel Level Detection
  • Hydraulic Reservoirs
  • Oil/Water Interface Detection
  • Remote Oil Level Sensor (ROLS)

Approvals & Certifications

  • AS 9000
  • ISO 9001
  • MIL-STD-810
  • ROTC/DO-160

Consumption

  • Element Controller: 50 to 85 mA Depending on Signal Output

Electrical Connectors

  • Military or Commercial Connector

Electrical Protection

  • EMI & Lightning Protection: MIL-STD-462 & RTCA / DO-160

Enclosure, Body Material

  • Element Controller: Anodized Aluminum & Environmentally Sealed

Input

  • Element Controller: 28 Vdc Nominal Per MIL-STD-704

Insertion 'U' Length

  • Flush Mounted to 150” (381 cm)

Materials of Construction

  • 316 Stainless Steel, All-Welded
  • Hastelloy C
  • Titanium

Media

  • Liquids & Gases

Mounting

  • Flush Mounted
  • Sight Gauge Retrofit Mounting
  • Surface Mounted

Operating Pressure

  • psig: 0 to 3,000 (kPa: 0 to 20,600, bar: 0 to 206)

Operating Temperature

  • -54° to 204° C (-65° to 400° F)
  • Element Controller: -40° to 80° C (-40° to 175° F)

Output Format

  • Element Controller: Open Collector
  • Element Controller: Sinking or Sourcing Output

Pressure Type

  • Gauge

Proof Pressure

  • psig: 0 to 3,000 (kPa: 0 to 20,600, bar: 0 to 206)

Repeatability

  • ± 0.1” Level Elevation

Response Time

  • Dual RTD Continuously Monitored Detection: 1 second or Greater Depending Upon Switch Point Setting
  • Single RTD Intermittent Detection Sample Frequency: 2 minutes or Longer

Sensor, Probe Type

  • Single RTD (Intermittent) & Dual RTD (Continuous)

  • Remote Oil Level Sensor (ROLS)
  • Automation of Sight Gauge Level Detection
  • Hydraulic Reservoirs
  • Fuel Level Detection
  • Collection Sumps
  • Coolant Reservoirs
  • Oil/Water Interface Detection

Documentation

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