The addition of an air flow sensor to Magtrol's Hysteresis Dynamometers provides protection against costly operator error. When using a dynamometer that requires cooling there are additional steps that need to be taken when running a test.

The sensor, when used in combination with Magtrol's DSP6001 Dynamometer Controller, reminds the user of these steps by not allowing the dynamometer brake to be energized until the blower or air supply has been turned on. The air flow sensors can be retrofitted to Magtrol's ED-715 and 815, HD-510, 710, 715 and any HD-800 Series dynamometers. Magtrol's Hysteresis Brake Dynamometers are versatile and ideal for testing in low to medium power ranges (max. 14kW intermittent duty).

With a hysteresis braking system, the dynamometers do not require speed to create torque, and therefore can provide a full motor ramp from free-run to locked rotor. Brake cooling is provided by convection (no external source), compressed air or dedicated blower, depending on the model. Other features of the HD dynamometer include ±0.25% to ±.5% full-scale accuracy ratings; high repeatability; ease of operation; standard English, metric and SI torque measurement options; easy calibration and an optional encoder switch. Magtrol, Inc. is a leading manufacturer in the Motor Testing Industry providing high quality products to measure and control torque-speed-power, load-force-weight, tension and displacement.

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