Request InfoWavelength Electronics Inc.BOZEMAN, Mont., Feb. 1, 2011 — The RHM5K-CH from Wavelength Electronics is a unipolar device that achieves precision control at off-ambient temperatures. The proportional-integral-derivative control loop drives resistive heaters or thermoelectric coolers. Offering high stability of < 0.003 ºC, it can supply a drive current of up to 5 A and has a small footprint. Onboard 12-turn trimpots control temperature set point, proportional gain and output voltage limit, all of which are user-adjustable. 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