Siemens introduces the SITRANS LT500 level, flow, and pump controllers for radar and ultrasonic transmitters, as well as any other two-wire 4-20 mA device. These instruments provide the accuracy and dependability required by a wide range of applications, from simple level control to complex pumping routines. SITRANS LT500 is an appealing option for your controller applications, with up to 2 measuring points, six control or alarm relays, two discrete inputs, three analog outputs, and communications options.