The PTA Series is a microprocessor-based percentage timer that delivers reliable and accurate timing for critical applications where the ON time, as a perctage of the total cycle time, must be adjustable. The fixed overall length of the repeating ON/OFF cycle is sleected as the time range with multiple ranges offered in seconds, miunutes and hours. Typical applications include controls for irrigation, chemical feeding, electric heatings & cooling, motors and lubrication systems.
