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    1. Refrigeration

    Refrigeration Service Today: New Products for April 2013

    April 3, 2013
    Oils can't harm Testo's new digital vacuum gauge. Emerson E2 Controller offers more. Danfoss Turbocor expands centrifugal compressor line.

    Oils Can't Harm Testo's New Digital Vacuum Gauge

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    Testo Inc. has introduced the new testo 552 digital vacuum gauge, to confirm the evacuation of air conditioning, heat pump, and refrigeration systems. The testo 552 requires no cleaning,and is not susceptible to contamination from oils. The absolute pressure sensor delivers accuracy to +/-10 microns. The testo 552 is outfitted with a large back-lit display, and rugged IP 42 Protection Class housing. The testo 552 is tough enough to withstand being dropped from a height of six feet. Additional features include long battery life to 2400 hours, a high limit alarm, and display of water evaporation temperature. For owners of the testo 570 digital manifold, the testo 552 can be connected to the t570 to data log and/or print evacuation data.  — Testo, Inc.

    Emerson E2 Controller Offers More

    Emerson Climate Technologies Retail Solutions, Inc., has released a new version of its E2 Facility Management Controller for retail environments. The new firmware version for E2 3.05 and E2 4.05 offers several enhancements to give users increased functionality and capabilities. The E2 Facility Management Controller version 4.05 has improved localized language capability to enable use of the E2 globally. Firmware versions 3.05 and 4.05 deliver enhanced summary screens for the roof top unit control boards and discharge air control applications, giving users more information to better monitor and troubleshoot applications quickly. Emerson’s E2 3.05 and E2 4.05 also enable multiple I/O Networks on a single E2 controller.
    — Emerson Climate Technologies Retail Solutions, Inc.
     

    Danfoss Turbocor Expands Centrifugal Compressor Line

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    At the 2013 AHR Expo, Danfoss Turbocor Compressors Inc. (DTC) announced a significant expansion of its products and services. The latest expansion of Danfoss Turbocor’s line of oil-free, magnetic bearing variable speed centrifugal compressors includes: • Launch of the TT350 380-volt compressor, specifically targeted for fast growing markets such as China, India, Russia, and Brazil. • A 575-Volt version of the TT400 compressor for the Canadian market. In 2012, the 380-volt version of the TT400 compressor was recognized with an Honorable Mention in the cooling category of the prestigious AHR Expo Innovation Awards. • The commercialization of TG310 compressors, which were released as a developmental prototype in early 2012. The compressors utilize the ultra-low Global Warming Potential (GWP), zero Ozone Depletion Potential (ODP) refrigerant HFO-1234ze, trade-named Solstice L13 by Honeywell. — Danfoss Turbocor

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