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Silicon Designs: Variable Capacitive Accelerometers

Model 1410 is a family of digital pulse density output MEMS variable-capacitive (VC) accelerometers designed to reliably measure both vibration and acceleration with very low power consumption and high long-term bias stability (1,000 ppm typical). 


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DEWALT®: Heavy-Duty Hand Tools

The Air Tools line includes a ½-inch Drive Heavy Duty Impact Wrench, 3/8-inch Drive Air Ratchet, 3/8-inch Reversible Drill, Angle Die Grinder, and Palm Sander.


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Silicon Microstructures Inc.: Low-Pressure Sensors

The SM9541 MEMS low-pressure sensor series’ unique gage and differential offering allows for optimal signal resolution and diagnostics capabilities. 


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Camfil Air Pollution Control: Dust and Fume Collectors

Two improvements — one to the filter access door hardware and the other to the filter clamping system — provide enhanced ease of use, safety, and reliability, at no added cost to customers.


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A.O. Smith Corp.: Gas Water Heater

The Cyclone® Mxi is a modulating, high-efficiency commercial gas water heater that delivers efficiencies up to 98 percent. 


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Milwaukee Tool Corp.: Sheet Metal Cutters

Built from the ground up for peak performance and durability, the new Long Cut Straight Snips and Long Cut Offset Snips are innovative solutions for metalworking and mechanical professionals who need to make long, straight cuts through sheet metal and ductwork. 


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BelGAS, a division of the Marsh Bellofram Corp.: Stainless Steel Gas Regulator

The Type 52SS is designed for effective service within a wide variety of sour gas, high-corrosion, and other severe environments. The specialty construction of the BelGAS Type 52SS features a 316 stainless steel housing and filter assemblies with fluorocarbon elastomers used for the control diaphragm and supply valve.


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RectorSeal® Corp.: Micro-Biocide Tablets

Actabs DMSS are EPA-registered, 2-gram micro-biocide tablets sold in 200-unit bottles. They’re designed with a timed-release dissolving formula that dispenses the treatment evenly over a four-month period.


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NK Technologies: Current Transducer

The AT/ATR-LS current transducer combines a current transformer and signal conditioner that is great for monitoring large loads. The AT/ATR-LS is easy to install due to a large, split-core design. 


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Spectronics Corp.: Air Conditioning Leak Kit

The OPK-50GS/E is a special kit that makes it easy for technicians to find all air conditioning leaks — even those in cramped areas that are inaccessible to larger lamps.


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2014 Energy Efficiency Forum

Highlights from the 25th annual Energy Efficiency Forum in Washington, D.C.

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NEWSMakers: Chris Mathis

Chris Mathis, president of Mathis Consulting Co. and vice chair of ASHRAE’s residential ad hoc committee, talks about ASHRAE’s exploration into the residential market. Posted on Oct. 17.

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2014 October 20

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EFFICIENCY STANDARDS

DOE has denied AHRI’s petition for reconsideration of walk-in standards. Is it getting harder to reach consensus on efficiency standards?
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2015 National Plumbing & HVAC Estimator

Every plumbing and HVAC estimator can use the cost estimates in this practical manual!

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