Omega introduced its new series of rangeable, very low differential pressure transmitters which can output either static (gage) pressure or differential pressure. The PX2600 series has four unidirectional and four bi-directional ranges, three selectable outputs (0 to 5 Vdc, 0 to 10 Vdc, 4 to 20 mA 2-wire), pushbutton or remote zero, and four-digit LCD with the ability to show either static or differential pressure.
Veris Industries has introduced the E5xxxA Series to its line of power and energy meters. The company says the series combines the metering performance expected from the traditional E5x family with the addition of a built-in integrator and power supply for the needed rope style CTs.
Leaning on experience and data from various K-12 cities and projects, the author pursues some less conventional design approaches. They may revolve around radiant heating and/or cooling, but depending on school size and other factors, the smart use of heat recovery, DOAS, and improved central plants could also put a project on the HVAC honor roll.