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Speedometer Calibration

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Speedometer calibration uses electronic signals to measure the actual output of the speedometer and compare it to the established output standard that is set by the manufacturer of the vehicle. If a difference between the instrument reading and the accepted standard is determined and verified, the calibration device can tune the speedometer in order to provide the correct speed measurement. Read More…

Speedometer Calibration Speedometer calibration is the process of adjusting speedometers to match industry standards of precision for measurements of speed in vehicles. Accuracy of a speedometer is important, both in order to help car owners drive safely and because it directly works with the car's odometer to measure distance.
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Leading Manufacturers

North Haven, CT  |  203-484-3707

Custom Calibration Inc. specializes in on-site and laboratory calibration which will keep costly equipment downtime to a minimum and maximize your overall productivity. We have over 30 years of experience providing calibration services for mechanical, dimensional, scale, torque, humidity, and many more applications. Our company’s mission is to achieve total customer satisfaction by providing prompt, precise, tailor-made calibration solutions to fit your specific needs.

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Custom Calibration Inc. $$$

Merrillville, IN  |  800-373-1759

ISO/IEC 17025:2017 & ANSI/NCSL Z540.3 Accredited Laboratory. Electronic, dimensional, physical and thermodynamic calibrations performed onsite and in our lab. Professional ASQ Certified Calibration Technicians. We support the manufacturing and service sectors including; aerospace, automotive, chemical, electronic equipment, energy, food, industrial, machinery, medical, metal, military, nuclear, pharmaceutical, plastics, and transportation. Free local pickup and delivery. In business since 1977.

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Calibration Laboratory, LLC $$$

West Conshohocken, PA  |  610-825-3310

For over 40 years, Strainsert Company has been an industry leader in manufacturing calibration services. Our goal is to provide calibrating services that are thorough and accurate, and we have experience serving a variety of applications.

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Strainsert Company $$$

Monterey, CA  |  831-373-0200

Sierra provides accurate calibration services for mass flow meters and controllers, insertion thermal flow meters, vortex, and ultrasonic flow meters. With more than 40 years of expertise in gas, air, or liquid flow calibration, you can count on our team to make sure your flow meter operates with efficiency and pinpoint accuracy. We believe in providing personalized and customized service, and doing everything we can to maintain credibility with our clients. To get started, contact Sierra today!

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Sierra Instruments $$$

Hartland, MI  |  810-225-4601

Internally-known, Dynamic Technology is an NVLAP®-accredited calibration services facility. We conduct vacuum and pressure calibration; mass and torque calibration; temperature calibration and electronics calibration. We have a physical/dimension laboratory and can perform repair services as well.

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Trescal $$$

Simi Valley, CA  |  800-274-0287

SensoScientific is a leading manufacturer of practical and innovative wireless systems that meet the needs of the ever-changing healthcare industry. We design, engineer, and manufacture our own transmitters and firmware. This helps ensure seamless system functionality with zero dependencies on third-party manufacturers. Our products include temperature monitoring systems, temperature control units, humidity monitoring systems, universal monitors, differential pressure monitors, C02 monitoring systems, water leak transmitters, and more.

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Sensoscientific $$$
placeholder image Custom Calibration Inc. Calibration Laboratory, LLC Strainsert Company Sierra Instruments Trescal Sensoscientific

This process makes the speedometer readings more exact and, as a result, the odometer reading more exact as well. The accuracy of speedometers is important because it ensures users they are driving within legal limits and avoiding expensive moving violations and high insurance costs, as well as other safety hazards.

As with most electronic instruments, speedometers should be calibrated regularly to ensure proper performance. In order to ensure that the torque created by the magnetic field reflects the speed of the car accurately it must be calibrated. Calibration services must take a number of factors into account concerning the machine being calibrated, such as gear rations in the drive cable, final drive ratio in the differential and the diameter of the tires.

As a speedometer becomes older, more frequent calibration may be required. Aftermarket modifications to the vehicle, such as new wheels with a different size diameter, low tire pressure, extra weight in the vehicle and environmental conditions can also result in erroneous readings on the speedometer and odometer. If aftermarket changes occur, the user must make the proper adjustments in the calculations to recalibrate the car. This can be done by manipulating that hairspring, the permanent magnet or both. Doing this will optimize the efficiency of a vehicle.

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