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Resolvers - Micronor Sensors Inc.
High/low temperature resolvers are ruggedized angular position sensors designed for extreme environments, typically operating between
-55∘Cnegative 55 raised to the composed with power C
−55∘C
 and
+220∘Cpositive 220 raised to the composed with power C
+220∘C
. They are brushless, contain no onboard electronics or optics, and are resistant to high shock, vibration, and radiation. Ideal for aerospace, defense, and oil & gas, they offer reliable feedback where encoders fail. 
Key Features and Specifications 
  • Operating Temperatures: Standard industrial units handle
    -55∘Cnegative 55 raised to the composed with power C
    −55∘C
     to
    +155∘Cpositive 155 raised to the composed with power C
    +155∘C
    , while specialized units function from
    -196∘Cnegative 196 raised to the composed with power C
    −196∘C
     up to
    +200∘Cpositive 200 raised to the composed with power C
    +200∘C
     or higher.
  • Ruggedness: Built for high shock and vibration (25 g RMS or higher).
  • Temperature Compensation: For higher precision, techniques (e.g., class-AB driver) can mitigate signal errors, reducing deviations to
    0.017
    %
     at
    70∘C70 raised to the composed with power C
    70∘C
    .
  • Configurations: Available in housed and frameless, multi-speed (for higher precision), and brush/brushless types. 
Common Applications 
  • Aerospace & Defense: Aerospace actuators, military vehicles, and flight control systems.
  • Industrial Automation: High-temperature servo motors, robotics, and textile machinery.
  • Oil & Gas: Downhole drilling equipment requiring high-temperature operation. 
Typical Performance in Extreme Heat
Resolvers maintain structural integrity at high temperatures because they operate like rotary transformers, using wire coils and magnetic fields rather than sensitive electronics. For instance, Resolvers - Maccon specializes in units that withstand temperatures from cryogenic levels up to
300∘C300 raised to the composed with power C
300∘C
. 
For extreme high and low temperature applications, specialized manufacturers like Ducommun and ctrl-motor offer customized solutions. For robust and proven performance in harsh environments, consider the Dynapar Encoders that are designed to handle temperatures up to 220°C. 
  • A Temperature-Compensation Technique for Improving ...
    Sep 10, 2021 — Abstract. Variation in the ambient temperature deteriorates the accuracy of a resolver. In this paper, a temperature-compensation ...
    MDPI
  • High and Low Temperature Motor Resolver,China Rotary ...
    It can also be customized according to customer needs. The High-Performance DC Resolver offers excellent resistance to vibration a...
    www.ctrl-motor.com
  • Resolvers - Maccon
    Nov 28, 2024 — Resolvers for high radiation environments (up to 3 MGy). Resolvers for cryogenic temperatures (down to 70K i.e. -200°C) Resolvers ...
    Maccon
Show all
  • A Temperature-Compensation Technique for Improving ...
    Sep 10, 2021 — Abstract. Variation in the ambient temperature deteriorates the accuracy of a resolver. In this paper, a temperature-compensation ...
    MDPI
  • High and Low Temperature Motor Resolver,China Rotary ...
    It can also be customized according to customer needs. The High-Performance DC Resolver offers excellent resistance to vibration a...
    www.ctrl-motor.com
  • Resolvers - Maccon
    Nov 28, 2024 — Resolvers for high radiation environments (up to 3 MGy). Resolvers for cryogenic temperatures (down to 70K i.e. -200°C) Resolvers ...
    Maccon
  • Resolvers - Ducommun
    Resolvers. Ducommun resolvers are designed for extreme environments that range from vacuum and extreme cold of outer space to the ...
    Ducommun
  • Resolvers for Angular Position Accuracy - Sensors - TE Connectivity
    The higher the number of pairs of poles, the higher the mechanical precision of the resolver. With multiple pairs of poles, the ab...
    TE Connectivity
  • Housed and Frameless Resolver Models - Dynapar Encoders
    Our Resolvers - Ultra Performance Feedback. Inductive resolvers are considered more rugged than rotary encoders for use in adverse...
    Dynapar Encoders
  • Resolvers vs. Encoders: Choosing the Right Sensor for Motion Control
    Durability in Harsh Environments With no optics or electronics, resolvers are extremely resistant to dust, dirt, and moisture and ...
    Encoder Products Company
  • Resolver-Based Harsh Environment Motors - Norck Robotics
    What specific conditions (temperature, vibration, EMI) can these motors withstand? Resolver-based rugged motors are designed for u...
    Norck Robotics
  • Resolvers - What Are They and How Do They Work? | Dynapar
    Resolvers vs Encoders With no onboard electronics, resolvers can survive extreme temperatures and tolerate shock and vibration, ma...
    Dynapar Encoders
  • What is a motor resolver and how does it work? Servo Motors
    Feb 5, 2024 — Some of the advantages of using a resolver are: The resolver itself does not contain electronic components and therefore can withs...
    www.servomotorsadjust.com
  • TE Connectivity's Industrial Resolvers - Mouser Electronics
    Mar 11, 2020 — TE Connectivity Industrial Resolvers ... TE Connectivity's (TE) Industrial Resolvers are analog angular position sensors for indus...
    Mouser Electronics
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Web results

Resolvers


Ducommun
https://www.ducommun.com › MotorsResolvers › Resolv...
Ducommun
https://www.ducommun.com › MotorsResolvers › Resolv...
Ducommun resolvers are designed for extreme environments that range from vacuum and extreme cold of outer space to the high pressures and temperatures of oil ...Read more
Missing: Low ‎| Show results with: Low

Housed and Frameless Resolver Models


Dynapar Encoders
https://www.dynapar.com › encoders-vs-resolvers › ultr...
Dynapar Encoders
https://www.dynapar.com › encoders-vs-resolvers › ultr...
Series 11 resolvers are rated up to 155C for high temperature applications. See Series 11 and R11 High Temp Resolver Models. Series R25 Heavy Duty Resolver ...Read more
Missing: Low ‎| Show results with: Low

Resolvers


Maccon
https://www.maccon.com › resolver-wound-rotor-relucta...
Maccon
https://www.maccon.com › resolver-wound-rotor-relucta...
Resolvers for cryogenic temperatures (down to 70K i.e. -200°C); Resolvers for very high temperatures (up to 300°C). Data table resolver types. Type, size ...Read more

H25 Single-turn Stainless Steel Resolver Transducer


Advanced Micro Controls, Inc. (AMCI)
https://www.amci.com › plc-automation-products › h25-...
Advanced Micro Controls, Inc. (AMCI)
https://www.amci.com › plc-automation-products › h25-...
Features · 304 stainless steel housing and shaft · High temp. rating = up to 150°C (302°F) · IP67 rated; superior durability in harsh environments · Ideal for high- ...Read more
Missing: Low ‎| Show results with: Low

Resolvers Vs Encoders for Motion Control - HEIDENHAIN


heidenhain.us
https://www.heidenhain.us › News & Resources
heidenhain.us
https://www.heidenhain.us › News & Resources
Nov 5, 2019 — The resolver is sturdy and possibly more suitable for a severe environment application where extreme continuous temperatures or very high ...Read more
Missing: Low ‎| Show results with: Low

High and Low Temperature Motor Resolver,China Rotary ...


ctrl-motor.com
https://www.ctrl-motor.com › resolver
ctrl-motor.com
https://www.ctrl-motor.com › resolver
The High-Performance DC Resolver offers excellent resistance to vibration and shock, with an operating temperature range from -196℃ to +200℃, and is capable of ...Read more

A Temperature-Compensation Technique for Improving ...


MDPI
https://www.mdpi.com › ...
MDPI
https://www.mdpi.com › ...
by W Petchmaneelumka · 2021 · Cited by 3 — In this paper, a temperature-compensation technique is introduced to improve resolver accuracy. The ambient temperature causes deviations in the resolver ...Read more

Brushless Resolvers


Computer Conversions Corporation
https://www.computerconversions.com › Brushless-Resol...
Computer Conversions Corporation
https://www.computerconversions.com › Brushless-Resol...
R90-11HT Series: Extreme High Temperature, Size 11 with large 1/4" Dia. Shaft · R90-11GS Series: Extreme Low Temperature · R90-11RR Series: Radiation Resistant.Read more

Brushless resolvers (Smartsyn) | Products


TAMAGAWA SEIKI CO., LTD.
https://www.tamagawa-seiki.com › resolver-synchro › br...
TAMAGAWA SEIKI CO., LTD.
https://www.tamagawa-seiki.com › resolver-synchro › br...
Features. Wide temperature range: ・Temperature Range -55 to +155℃ （※） ・High temperature resistance: Can be used in high temperature environment such as ...Read more

Resolvers vs Encoders : Choosing the Right Sensor for ...


British Encoder Products Company
https://encoder.co.uk › news › tech-tips › resolvers-vs-e...
British Encoder Products Company
https://encoder.co.uk › news › tech-tips › resolvers-vs-e...
Sep 10, 2024 — With no optics or electronics, resolvers are extremely resistant to dust, dirt, and moisture and can operate at very high temps exceeding 200°C.Read more
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