Request InfoTemperature Controllers Arroyo Instruments LLCGROVER BEACH, Calif., Aug. 12, 2009 – Arroyo Instruments has introduced the 585 series TECPak compact, high-power, fully integrated OEM modules for temperature control. They can be used independently or in conjunction with a LaserPak to form a complete system. In addition to USB and RS-232 interfaces, there also is an analog control interface that enables operation without the need for a computer and that allows the user to turn the output on and off, to monitor actual temperature via the analog out and to receive an indication that the unit has stabilized. 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