measuring and test equipment – Dwyer Instruments Blog

Wireless Hydronic Differential Pressure Manometer, Series 490W

Earlier this year, Dwyer Instruments released its new look and updated features for the wireless hydronic differential pressure manometer, Series 490W. This product is used for applications including: refrigerant pressure testing, hydronic valve balancing, measuring pressure drop across pumps, and measuring pressure drop across chiller and coils for freeze protection.

The original Series 490W hydronic balancing kit was recognized in 2018 at the AHR Expo Innovation Awards as the winner of the Tools and Instruments product category. Prior to this win, the 490W was also recognized as a Silver Award Winner in the Electronic and Hand Tools product category of the Dealer Design Awards Program sponsored by The Air Conditioning Heating & Refrigeration News magazine (ACHR News). Continue reading “Discover an Easier Way to Water Balance with the Series 490W”

SMART Air Hood® Balancing Instrument, Series SAH

Purchasing measurement and test equipment, such as the Series SAH SMART Air Hood® balancing instrument, in bulk or batches allows you to have a back up when the equipment you regularly use needs to be serviced, thus preventing down time. In some cases, purchasing large quantities of the exact same make and model may give users the idea that the performance of each unit can be checked by comparing one to another. Although direct comparison of similar units may be good to identify operational defects, direct comparison of units with the exact same make and model from the exact same batch / date code does not allow for detection of potential systematic errors in your product’s performance. Continue reading “Calibration Control Standards”