Setra Systems, Inc. (Boxborough, MA) has introduced a three-valve manifold for its Model 230 differential pressure transducer designed for differential pressure measurements of liquids and gases. Features include an all-brass
EBTRON, Inc. (Loris, SC) has introduced the Gold Series and the Silver Series of its Advantage airflow measurement product line for commercial ventilating systems. Both lines feature thermal dispersion technology
The Haloguard(r) III, a multichannel, multigas system, from Thermal Gas Systems (Roswell, GA) is designed to continuously monitor R-11,-12,-22,-134a,-123, and other commonly used refrigerants. Up to two additional, remote separate
BACnet Explorer from Cimetrics (Boston) is a Windows NT software tool that allows installers, system integrators, and service technicians to commission building automation networks based on the BACnet protocol. The
Preferred Instruments (Danbury, CT) has released the ZP oxygen probe for use with the company's PCC-III multiple loop controller. The probe is directly connected to the controller, eliminating the need
Pacific Science & Technology's (Bend, OR) ULTRAlite(tm) is a recording four-channel datalogger for monitoring multiple inputs. It was designed for monitoring air quality and meteorological inputs, pulse measurements for flow
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.