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Model AS-LLE Liquid Level Sensor
Brand: Fluid Components International LLC (FCI)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
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