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Midwest HVAC News

TSI Introduces Expanded Capability Hydronic Manometers.

TSI Incorporated, manufacturer of precision measurement instrumentation, is pleased to introduce an expanded capability line of Hydronic Manometer Models HM675 and HM685, for use to balance commercial hydronic heating and cooling systems, check pump performance and to set balancing valves.

Both models feature inputs for two temperature probes to maximize efficiency. Model HM685 performs onboard universal flow and btu/hr calculations and allows for 4X more storage capacity for increased recall and downloading capability.

Backed by proven TSI technology, the recently updated meters replace the previous TSI-Alnor Models HM670 and HM680. They have maintained their same robust, splash-proof design as well as their ability to simultaneously measure and display differential, high side and low side pressure—without having to change the hose connections or instrument
valve settings. Likewise, the backlit display accommodates use in low-light areas while four alkaline or NiMH rechargeable batteries supply long-life power to get the job done.

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“By increasing the capabilities of the new hydronic manometers, you can expect to be more efficient on the job site,” says Jim Schumacher, TSI Product Specialist. “The added benefits of these instruments are significant when considering the time you can save through their easy setup and operation.” To learn more, visit

About TSI Incorporated
TSI Incorporated serves a global market by investigating, identifying and solving measurement problems. As an industry leader in the design and production of precision instruments, TSI partners with research institutions and customers around the world to set the standard for measurements relating to aerosol science, air flow, health and safety, indoor air quality, fluid dynamics and biohazard detection. With headquarters based in the U.S. and field offices throughout Europe and Asia, TSI has established a worldwide presence in the markets we serve. Every day, our dedicated employees turn
research into reality.

For more information on TSI Incorporated, visit our website:, check out our page on Facebook:, or follow us on Twitter:

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