Sigma Tek, Inc.
Sigma Tek manufactures and distribute aviation instruments, accessories and control panels to the worldwide aviation industry.
- (800) 876-5272
(316) 775-6373 - (316) 775-1416
- requestinfo@sigmatek.com
- 1001 Industrial Rd.
Augusta, KS 67010
United States
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Autopilot Attitude Gyroscopes
5000E/L-series
The 5000E air-driven attitude gyro is another variation of our standard 5000B model. It includes inductive pickoffs that generate the signals necessaryto drive an autopilot. The intuitive display has a moving horizon mask that indicates the position of the aircraft’s wings in relation to the natural horizon. This attitude information is passed along to the autopilot system.
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Radio Control Panels
The use of control signals transmitted by radio to remotely control a device.
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Data Monitoring System
1S663-001
The 1S663-001 Data Monitoring System was specifically developed for the Cessna Citation X and serves as the primary diagnostic tool for the aircraft?? electronic Logic Modules. The system is FAA certified for airborne operation. Aft compartment and cabin modules can be tested two at a time while remaining in place. The system is also capable of monitoring the fuel quantity system during flight.
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XYZ Bootstrap Directional Gyroscopes
4000H-series
Sigma Tek's Directional Gyro with heading synchro output provides a cost effective link to "bootstrap" other instruments requiring heading information for: display orientation to aircraft heading, heading stabilization functions, and other navigational calculations and/or solutions. Specific applications include: Argus Moving Map Display®, L-3 Avionics Stormscope®, and Insight Strike Finder®.
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Engine Instruments
Instruments designed to constantly measure operating parameters relating to the aircraft's engine(s).
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Directional Gyroscope
A flight instrument used in an aircraft to inform the pilot of the aircraft's heading.
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Standard Airspeeds
These airspeed indicators have unrestrained movements.These instruments are actuated by ram air and ambient atmospheric pressure obtained from the aircraft pitot and static pressure systems. A moveable pointer and a fixed dial indicate airspeed with the zero index at the 12 o??lock position. Temperature compensation is internal and there is no external zero adjustment. Pointer damping is internally adjustable.
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Electric Attitude Gyroscopes
5000EG-series
The 5000EG gyro is based on our air-driven 5000B model, whose proven reliability has made it the industry standard for many years. There are two models available: 14 and 28 VDC. The rotor is precisely machined from a heavy-metal tungsten alloy, which has a higher mass than brass, contributing to the instrument’s demonstrated stability. The electric motor is driven by a built-in power inverter, and has an integrated air-erection mechanism. A warning flag is deployed upon loss of primary power. During acrobatic flights or short stops, the gyro’s mechanism can be caged whenever the knob is pulled.
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True Airspeeds
These true speed indicators are differential pressure indicators that measure the difference between static and total pressure produced by ram air from the pitot. The indicated airspeed can be corrected for changes in altitude by turning the knob to align the outside air temperature with the altitude. The moveable airspeed scale will then show the actual, or true, airspeed.
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4000B ARINC-style Directional Gyroscopes
This instrument was developed for those pilots that prefer the distinct, professional look of an ARINC-styled cockpit. It is identical to the standard 4000B model differing mainly in aesthetics. Besides its distinct bezel and airplane, the display graphics and colors differentiate it from the standard model. A heading reminder bug is available as an option.
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Multifunction Engine Gauge
1U417-series
The three essential engine parameters are packaged in a 3” instrument. The 1U417 was derived from the Garwin 22-804 and is a direct replacement. As evidenced by its predecessor, the three most essential engine parameters have traditionally been the most requested by our customers.
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Standard Attitude Gyroscopes
5000B-series
The 5000B is an air-driven gyro that has a pictorial horizon mask and fixed airplane. The mask moves to indicate climb, dive, and bank. Bank and pitch attitudes are displayed so that the pilot’s sensing of the gyro indication is the same as the interpretation of the relation between the wings of the aircraft and the natural horizon during visual flight.
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Dual Fuel Gauge
1U432-series
The 1U432 dual fuel gauge is packaged as a compact, 3” instrument. It has dual D’Arsonval movements that are driven by two resistive bulb transducers in the fuel tanks. The two opposing pointers stand out sharply from the non-reflective black background.
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Restrained Airspeeds
These airspeed indicators have restrained movements.These instruments are actuated by ram air and ambient atmospheric pressure obtained from the aircraft pitot and static pressure systems. A moveable pointer and a fixed dial indicate airspeed with the zero index at the 12 o’clock position. Temperature compensation is internal and there is no external zero adjustment. Pointer damping is internally adjustable.
