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Model AS-FT Flow Sensor
Brand: Fluid Components International LLC (FCI)FCI’s Thermal Dispersion Technology (TDT) directly measures mass flow of air, gases, water or liquids, which saves cost, installation space, and weight over alternatives that require the addition of pressure and temperature sensors, and a flow computer to infer mass flow.
FCI flow sensors are also inherently dual-function, and temperature measurement of the fluid is readily available from the same sensor element.
The flow meter system typically consists of a flow element that is inserted into the customer’s process and a control unit that can be mounted integrally or remotely. The wetted portion of the probe is hermetically sealed, made of stainless steel parts joined by gas Tungsten arc weld or nickel braze.
The element construction provides excellent corrosion resistance that can withstand up to psig: 2,000 (kPa: 13,790, bar: 138) or more in line pressures. The insertion length is specified by the customer to position the thermowells in the center of the flow stream.
Features- No moving parts
- Direct mass flow measurement
- Simple installation
- Switch or transmitter output
- Low flow sensitivity
- Wide turndown range (100:1 or more)
- Minimal pressure drop
- Simultaneous flow and temperature indication
- Extreme temperature, pressure and vibration service
- High reliability and maintenance free
- Corrosion, abrasion and fouling resistant
- Low weight compact design
Specifications
Accuracy
- Flow: ± 2 % of Full Scale
- Temperature: ± 1.1° C (± 2° F) over the Specified Range
Applications
- Aerospace & Military Applications
- Air Management Systems
- Bleed Air
- Environmental Control Systems
- Flight Test Measurements
- Fuel Transfer
- Ground & In-flight Refueling
- Hydraulic Fluids
- Liquid Cooling Systems
- Lubricating Oils
- PACK Systems
Approvals & Certifications
- AS 9100
- ISO 9001
- MIL-STD-461
- MIL-STD-810
- RTCA/DO-160
Consumption
- Electrical Current Consumption: 0.5 A, Max.
- Power Consumption: 10 W, Max.
Flow Rate
- 0.01 to 1,000 sfps (0.003 to 305 NMPS)
Input
- 28 Vdc Nominal Per MIL-STD-704
Media
- Air
- Hydraulic Fluid, Fuel, Coolant
- Liquids & Gases
- Water, Ethylene Glycol (EGW)
Mounting
- Flange Mount
NACE & NIST
- NIST Certified Laboratory
Operating Temperature
- -40° to 121° C (-40° to 250° F)
Operating Temperature - Electronics
- Remote Electronics: -40° to 121° C (-40° to 250° F)
Operating Temperature - Sensor
- High Temperature Flow Element: 54° to 454° C (-65° to 850° F)
Output
- 0-10 Vdc
- 0-5 Vdc
Pressure Type
- Gauge
Proof Pressure
- psig: 0 to 2,000 (kPa: 0 to 13,790, bar: 0 to 138)
Repeatability
- Flow: ± 1 % of Full Scale Reading
- Temperature: ± 1° C (± 1° F) over the Specified Range
Response Time
- Air: 6 seconds
- Liquid + Flow to No Flow: 3 seconds
- Liquid, No Flow to + Flow: 8 seconds
Sensor, Probe Material
- Probe: 316 Stainless Steel with Nickel Braze Per AMS 4777 or All-Welded Construction Passivation Finish Per QQ-P-35
Sensor, Probe Type
- Platinum RTDs
Storage Temperature
- 54° to 138° C (-65° to 280° F)
Turndown
- Flow Turndown Ratio: 100: 1
Wetted Materials
- Stainless Steel
- Liquid Cooling Systems
- PACK Systems
- Bleed Air
- Fuel Transfer
- Lubricating Oils
- Hydraulic Fluids
- Ground and In-flight Refueling
- Flight Test Measurements
- Environmental Control Systems
- Air Management Systems