The Sondar SLM1000 Series is
composed of a SLM1000 controller and a XDS800, XDS1200 or XDS1500
sensor. The Sondar SLM1000 Series is a highly versatile remote type
ultrasonic level measurement system, which provides non-contact
level measurement for a wide variety of applications. An on-board
communications port automatically recognizes RS232 or RS485
communication port.