Theta controls offers digital pid controllers. The theta btc range of pid controllers are reliable industrial grade instruments. Touch keys on a weatherproof membrane front panel are used to select sensor type, range, control mode, control parameters, alarm mode, resolution, auto/manual mode, etc. The auto-tuning feature automatically determines the correct controller settings to provide accurate control with minimal overshoot, which eliminates the tedious and time consuming manual process. Fuzzy logic is used to adjust the pid control output, which adjusts flexibly, and quickly i adapts to various processes. It enables a process to reach the predetermined set point in the shortest possible time, with minimal overshoot. Theta btc pid controllers are widely used for control of temperature, pressure, flow, ph, and any process parameter.