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Model AS-FS Flow Sensor/Switch
Brand: Fluid Components International LLC (FCI)FCI’s AS-FS Dual Output flow sensor provides fully redundant and separate outputs in the same outline dimension envelope of single sensor output designs.
This is achieved by employing two electrically independent sensor heads and circuit boards; the second output assures continued operation in spite of a failure of one of the two redundant channels, thereby reducing the probability of an erroneous low flow or dry signal caused by a single sensor failure.
Features- No moving parts, no routine maintenance
- Small, compact and lightweight
- Simple installation Low flow sensitivity
- Wide turndown range; 100:1 or more
- Lowest pressure drop
- Extreme temperature, pressure and vibration service
- Highest reliability, 100,000 hours
- MTBF Corrosion, abrasion and fouling resistant
Specifications
Adjustment Type
- Factory Set (Pre-Set)
Applications
- Aerospace & Military Applications
- Bleed Air
- Flight Test Measurements
- Fuel Tank Inerting Systems
- Fuel Transfer
- Ground & In-flight Refueling
- Hydraulic Fluids
- Liquid Cooling Systems
- Lubricating Oils
- PACK Systems
Approvals & Certifications
- AS 9100
- EMI & Lightning Protection: MIL-STD-461 & RTCA/DO-160
- ISO 9001
- Qualifications: MIL-STD-810 & RTCA/DO-160
Consumption
- Power Consumption: 3 W, Max.
Enclosure, Body Material
- Electronics Enclosure: Hermetically Sealed Units, 316 Stainless Steel
Input
- Electrical Power Input: 28 Vdc Nominal Per MIL-STD-704
Media
- Liquids & Gases
Operating Pressure
- psig: 0 to 2,000 (kPa: 0 to 13,790, bar: 0 to 138)
Operating Temperature
- Electronics: -40° to 125° C (-40° to 257° F)
- Flow Element: -54° to 260° C (-65° to 500° F)
Output
- Flow Signal & No Flow Signal (Open Collector): Closed, Sinking up to 100 mA at < 0.5 Vdc
- Flow Signal & No Flow Signal (Open Collector): Open, Leakage < 10 µA at 30 Vdc
- Flow Signal & No Flow Signal (Source): 240 mA at 28 Vdc
Repeatability
- ± 2 % of Full Signal Range
Response Time
- Depending on Fluid Typical & Switch Point: 1 to 10 seconds Typical
Switch Point Range
- Air: 0.25 to 1,000 sfps (0.07 to 305 mps)
- Fuel, Hydraulic Fluid, Coolant: 0.01 to 10 sfps (0.003 to 3 mps)
- Water: 0.01 to 5 sfps (0.003 to 1.5 mps)
Wetted Materials
- 316 Stainless Steel
- Liquid Cooling Systems
- Fuel Tank Inerting Systems
- PACK Air Systems
- Bleed Air Systems
- Fuel Transfer
- Lubricating Oils
- Hydraulic Fluids
- Ground and In-flight Refueling