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About Dynamometers
Motor and engine testing dynamometers apply braking or drag resistance to motor rotation, and measure torque at various speeds and power input levels. These devices measure the output torque of motors, engines, gearboxes, transmissions, and other rotary machines. They can include features such as fuel and exhaust monitoring for internal combustion engines, input power analysis for electric motors, and temperature and vibration sensing. Air dynamometers use an impeller to assess the power produced by a jet engine or gas turbine. AC dynamometers are essentially AC motors mounted and configured to provide drag against the motor being tested and output the resultant torque and power. DC dynamometers are essentially DC motors mounted and configured to provide drag against the motor being tested and output the resultant torque and power. Eddy current dynamometers provide restraining torque that increases with shaft speed. In a hydraulic or water brake dynamometer, braking drag is applied to the dynamometer rotor vanes via water circulating between the rotor and the stator housing. Hysteresis dynamometers use noncontact magnetic braking to apply resistance to motor rotation. A magnetic powder dynamometer has a friction braking system using a magnetic powder medium between the rotor and the stator. With a prony or friction brake dynamometer the braking mechanism uses friction pads or brake shoes to engage the rotating disk or drum coupled to the motor. A combination of two or more technologies is a tandem or combination dynamometer.
Important performance specifications to consider when searching for dynamometers include maximum power absorption, torque capacity, maximum rotary speed, and maximum linear speed on chassis style. Maximum power absorption is the maximum rotational power the dynamometer can be subjected to and still operate within specifications. This is typically limited by absorption or braking technology and configuration. The torque capacity is the maximum continuous torque transmission for which the shaft is designed. Maximum rotary speed is the maximum rated rotational speed under load. For chassis style dynamometers the maximum linear speed of the vehicle being tested is typically given in vehicular speed units such as miles per hour.
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Crane Scales, Dynamometers, Load Cells - Eilon Engineering 0.5t-300t high quality crane scales and dynamometers, for single or multi lifting points, for overload prevention, weighing during manufacturing, See Eilon Engineering Ltd. Information |
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Dynamometers and Dynamometer Control & Test Automation... Dynamometers Eddy Current Tech Specs by Horsepower Used Dynamometers Service & Remanufacturing See DyneSystems, Inc. Information |
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Dynamometers on ThomasNet.com Chassis Dynamometers Custom Dynamometers Brake Dynamometers Scale Dynamometers Analog Dynamometers Tension Dynamometers AC Dynamometers See ThomasNet Information |
Part Numbers for Dynamometers
| Part # | Distributor | Manufacturer | Product Category | Description |
|---|---|---|---|---|
| 1XWC1 | Grainger Industrial Supply | EILON ENGINEERING IND WEIGHING SYSTEMS | Hanging Scales | Carrying Case For RON Dynamometers |
| 1XWC2 | Grainger Industrial Supply | EILON ENGINEERING IND WEIGHING SYSTEMS | Hanging Scales | Heat Shield For RON Dynamometers |
| 1XWC4 | Grainger Industrial Supply | EILON ENGINEERING IND WEIGHING SYSTEMS | Hanging Scales | Thermometer For RON Dynamometers |
| 1XWB9 | Grainger Industrial Supply | EILON ENGINEERING IND WEIGHING SYSTEMS | Hanging Scales | Carrying Case For RON Dynamometers |
| 1XWC3 | Grainger Industrial Supply | EILON ENGINEERING IND WEIGHING SYSTEMS | Hanging Scales | Heat Shield For RON Dynamometers |
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