* Digital switch type temperature controllers having PID control algorithm * Realizes ideal temp. controlling with newly developed PID control algorithm and 100ms high speed sampling * SSR drive output / relay output and SSR drive output / current output selectable(TD4H / TD4L / TD4LP) * Dramatically increased visibility using wide display part * Mounting space saving with compact design : Approx. 38% reduced size compared with existing model (depth-based) * Terminal protection cover ※sold separay : R□A-COVER(except TD4SP) * 8 Pin socket ※sold separay : PG-08, PS-08 ※TD Series is replaceable with T3S, T3H, T4M, T3HA, T4MA, T4LA Series