A new selection of test and measurement equipment called Digi-Sense™ has been introduced by Davis Instruments. The equipment includes temperature, humidity, airflow, and light meters as well as manometers in an expanding line of products. The company says the tools are rugged enough for rigorous use and arrive precalibrated for time and cost efficiencies.
Spire Metering Technology has released its next-generation handheld ultrasonic flow meter, the Regal Series RH40 Handheld Ultrasonic Flow Meter. The company says the RH40 is engineered to deliver fast, portable non-intrusive flow and energy measurement across a broad array of pipe sizes and applications for water, waste water, heating, cooling, and other liquid flow applications.
Continental Control Systems’ WattNode® BACnet® meter has received BACnet Testing Laboratory certification. The meter complements the company’s Modbus® and LonWorks® meters, providing almost any building automation system with seamless access to electrical system measurements including power, energy, voltage, current, and power factor.
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.