HS35R2000730H Danaher
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The Danaher HS35R2000730H is an encoder from the Dynapar Encoders series with a resolution of 2000 pulses per revolution and a maximum shaft speed of 3600 RPM. It has a body diameter of 3.54 inches, a maximum weight of 16 ounces, and features an enclosure rating of NEMA 4 / IP66 for environmental protection. The encoder supports a frequency response of at least 100 kHz and offers shock resistance up to 50 G for 11 milliseconds.
Internal Product Review
The HS35R2000730H is a Danaher Dynapar encoder with 2000 PPR resolution and NEMA 4/IP66 protection. Stable feedback performance comes from 90° ±22.5° quadrature phasing and 100 kHz minimum frequency response. A strong choice for demanding motion applications, highlighted by 3600 RPM maximum shaft speed.
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Product Description:
The HS35R2000730H is a hollow-shaft rotary encoder produced by Danaher for its Dynapar Encoders series. Installed directly on a motor or gearbox shaft, it generates incremental position signals that allow motion controllers to monitor angular displacement and speed. These signals support closed-loop motion control in conveyors, presses, packaging lines, and other automated machinery. The hollow-shaft arrangement also eliminates the need for a separate shaft coupling, helping reduce the number of components required between the encoder and the rotating equipment.
This model provides a resolution of 2000 PPR, giving drive electronics fine angular information throughout each complete shaft revolution. High-speed counting is possible because the sensing electronics support signal frequencies up to 100 kHz, allowing the encoder to track rapid acceleration without missing edges. Quadrature outputs maintain an electrical separation of 90° ±22.5°, which supports reliable direction detection when signal-conditioning components introduce small phase shifts. Signal balance between the two channels has a symmetry of 180° ±18°, limiting duty-cycle errors that could distort calculated velocity. The internal hub and bearings support operating speeds up to 3600 rpm, making the encoder suitable for many induction motors and comparable rotating machines. Its incremental output can be processed by compatible counters, drives, and motion controllers that accept quadrature signals.
The sealed housing has a protection rating of NEMA 4 / IP66, preventing dust ingress and resisting water jets during operation on factory floors. During transient impacts, the encoder withstands 50 G for 11 ms, helping prevent movement of the disk or sensing components on machinery exposed to tooling shocks. The shaft clamp and bearings accept a 40 lb radial load and a 30 lb axial load, allowing direct attachment to drive shafts without additional support brackets. The encoder weighs 16 oz, which reduces the overhung load placed on the host motor and limits added inertia during speed changes. Its sealed construction also supports installation near equipment where airborne debris, moisture, or routine washdown could otherwise interfere with exposed sensing components.
