Burkert Contromatic Corp., Irvine, CA, has published an improved product and systems catalog with over 600 common valves and sensors. Additions include the 8045 solid state insertion magmeter, 8400 temperature switch with direct on/off valve control, 8175 ultrasonic level sensor; 8226 digital inductive conductivity sensor/controller, 8010 and 8032 paddle-wheel sensors/switches, the 8417 resistance temperature sensor, new ball valves, and several new diaphragm valves.