TC-1000 Temperature Controller monitors and controls the body temperature of small animals. This microprocessor-based instrument features a low-voltage DC proportional controller to provide artifact-free heating using a resistive heating blanket. The smooth Proportional-Integral-Derivative (PID) control eliminates the electrical transients common to on/off type controllers. A front-panel LCD panel displays the current body temperature, the targeted set-point temperature, alarm settings, and a heater power bar graph. An analog output provides a linear voltage corresponding to temperature.