HS35R2048G3P7 Danaher
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The Danaher HS35R2048G3P7 is part of the Dynapar Encoders series and features a resolution of 2048 pulses per revolution. It has an enclosure rating of NEMA 4 and IP66 and supports a maximum shaft speed of 3600 RPM. The encoder weighs up to 16 ounces and can handle shaft loading of 40 pounds radial and 30 pounds axial.
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Product Description:
The HS35R2048G3P7 is a hollow-shaft incremental encoder produced by Danaher within the Dynapar Encoders series. Mounted on a machine or motor shaft, it translates rotary motion into timed pulse trains that a drive or PLC uses for closed-loop speed and position control. A clamp-style hub secures the encoder to the host shaft, allowing slip-free feedback during changes in speed and direction. The anti-rotation tether absorbs reaction torque and keeps the encoder body stationary while the shaft rotates. This mounting arrangement eliminates the need for a flexible shaft coupling and supports compact installation on motors, pumps, conveyors, and similar rotating equipment.
The signal set provides a resolution of 2048 PPR, producing evenly spaced A and B pulses during each revolution. A frequency response of at least 100 kHz allows the electronics to track rapid signal transitions without dropouts when the shaft approaches its maximum speed of 3600 rpm. Proper phase separation is maintained by quadrature spacing of 90° ±22.5° electrical, while duty-cycle symmetry of 180° ±18° provides uniform high and low times for downstream counters. Running torque does not exceed 4.5 oz-in, and starting torque is limited to 5.0 oz-in, minimizing the additional load placed on small servo or vector-controlled motors. The bore has a tolerance of +0.0003/+0.0005 in, allowing the encoder to slide onto the shaft without excessive clearance or interference.
The housing has a NEMA 4 / IP66 enclosure rating, protecting the encoder against dust ingress and powerful water jets in food-processing, packaging, and outdoor machinery. The unit withstands radial loads up to 40 lb and axial loads up to 30 lb, allowing direct mounting on sizable pump or conveyor shafts without separate bearing blocks. A -40 to +90 °C storage range supports transportation and storage through substantial temperature changes. Internal seals help prevent moisture from entering the housing when condensation occurs during rapid temperature shifts. The encoder has an overall mass below 16 oz, reducing the load placed on small gearboxes and mounting surfaces. Its compact package also helps the assembly remain within limited machine-space allowances.
