KS 50-1 Danaher
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The Danaher KS 50-1 belongs to the Thermal Controllers series and has a front panel protection of IP65 (NEMA 4X). It measures 48 mm wide, 96 mm high, and 118 mm deep, and features an 8-character dot matrix text display. The KS 50-1 offers input resolution greater than 14 bit and relay contacts of 2 normally open with a common.
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Product Description:
The KS 50-1 is a temperature controller produced by Danaher for the Thermal Controllers series. It accepts resistance temperature detector or thermocouple inputs and modulates heating or cooling elements so that industrial processes remain at a set point. Designed for panel mounting, the unit integrates into machinery control stations where space is limited and operators require numeric feedback and relay-driven actuation.
The analog section digitizes sensor signals with an input resolution of more than 14 bits, allowing small temperature changes to be recognized before oscillations develop. Every 100 ms, the controller completes a full scan of all inputs and control algorithms, which keeps the loop response suitable for medium-speed thermal systems such as packaging sealers or small ovens. The front panel is sealed to IP65 (NEMA 4X), protecting the keys and display against dust and directed water when installed in washdown environments. Output to final elements is handled by a relay block with two normally open contacts and a common terminal; this configuration lets the same device switch heating and alarm circuits without external contactors. Operators view process values on an 8-character dot-matrix display that presents the set point, actual temperature, and menu labels without scrolling.
Total measurement accuracy is supported by a cold-junction compensation tolerance of ±0.5 K, which minimizes reference drift when thermocouple wiring is long. The high-impedance front-end circuitry presents an input impedance of at least 1 MΩ to the sensor, minimizing signal loading that could affect readings. Internal linearization divides each supported input curve into 16 segments, so nonlinear sensor signals are corrected before control calculations run. Mechanical depth is limited to 118 mm, making the controller suitable for shallow enclosures where behind-panel space competes with wiring ducts and auxiliary components. The compact depth also leaves more room for routing sensor, power, and relay conductors without requiring an unusually deep control cabinet.
