AS-TT Temperature Transmitter


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FCI provides temperature transmitters mounted in thermowells with integral or remote solid state electronics housed in protective hermetically or environmentally sealed enclosures for direct installation into piping and ducting on commercial and military aircraft, spacecraft, vehicles and marine applications. These transmitters utilize highly reliable Resistance Temperature Detector (RTD) elements that provide a linear change in resistance that is directly proportional to temperature changes in the liquid or gas process. The FCI provided electronics are designed to provide up to three separate analog, digital or switch outputs that are calibrated by FCI over customer specified ranges to indicate temperature changes in the customer’s process fluid. The outputs are typically specified as 0 – 5 Vdc, 4 – 20 milliamps or a digital buss that interfaces with customer systems. FCI can provide Built in Test (BIT) or other type of health monitoring options on the output. FCI can also provide thermistor and thermocouple elements with transmitter electronics for requirements specified by the customer.

Please complete and submit the attached Application Data Sheet or contact FCI’s Field Representative in your area to receive a technical quotation for your Temperature Measurement Transmitter application Switch application.

Applications

  • Environmental cooling systems
  • Coolant and refrigerant
  • Bleed air
  • Hydraulic oil
  • Fluid temperature control
  • Fuel

Specifications

Service: Liquid or gas temperature

Accuracy: ± 2° F [± 1° C]

Repeatability: ± 1° F [± 0.5° C]

Reliability (MTBF): 100,000+ Hours.

Qualifications: MIL-STD-130 Marking, MIL-STD-810 Environmental Testing, MIL-STD-889 Dissimilar Metals and MIL-STD-461/462 EMI.

Quality System Approvals: ISO9001 and AS9000

Weight: 0.23 lbs. [0.10 kgs]


Temperature Element

Materials of Construction:
  • Standard: All welded 300 series stainless steel.
  • Optional: Aluminum, titanium or other alloys available with hermetically sealed connectors.

Process Connection: Flanged or threaded per AS930, AS4395, MS33656.

Insertion Length: 0.160 to 4 inches [4 to 101 mm].

Operating Temperature: -40° to +212° F [-40° to +100° C] (wider temperature range optionally available).

Operating Pressure: To 7500 psig [517 bar(g)].

Proof Pressure: To 12,500 psig [861 bar(g)].

Enclosure: Environmental seal; Hermetically sealed option.

Electrical Connection: Military, commercial connector; pigtail cable of customer specified type and length.

Electrical Parameters
  • Input Current: < 10 mA.
  • I.R. Test Voltage: < 500 Vdc.
  • D.R. Test Voltage: < 500 Vdc.
  • Bonding: < 2.5 milliohms.

Environmental Parameters
  • Altitude: 100,000 ft. [30,480 m]
  • Humidity: 100%.
  • Thermal Shock: 10° C per minute.
  • Vibration: Rotary, Fixed Wing
  • Acceleration: 10 gs.

Optional N.I.S.T. Test Lab Calibration Services
Factory N.I.S.T. calibration is available as an option for customer specified setpoint(s).