2013 AHR Expo Preview

Nu-Calgon: Descaler

December 30, 2012
Eco-Lyme descaler is a powerful chemistry with an excellent eco-profile, the company says. This descaler is suitable for use on cooling towers, boilers, processing equipment, evaporative coolers, and more.


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Nu-Calgon: Coil Cleaner

December 30, 2012
TriClean 2x coil cleaner is a specially formulated chemistry paired with convenient packaging. Designed with an integrated sprayer, simply connect to hose, clean, and rinse, says the company.


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Rotronic: Humidity and Temperature Data Logger

December 30, 2012
The new humidity and temperature HygroLog HL-20/21 data logger expands on the company’s HygroLog family of products. The HL-20/21 is suited to a number of applications including those in critical areas such as pharmaceutical clean rooms.


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Rotronic: Humidity and Temperature Transmitter

December 30, 2012
Rotronic’s new HygroFlex1 series is the latest development in inexpensive HVAC transmitters for relative humidity and temperature, says the company. It’s equipped with the Hygromer® IN-1 humidity sensor and two freely scalable analog voltage or current outputs.


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Rotronic: CO2, Humidity, and Temperature Meter

December 30, 2012
Rotronic’s new CP11 handheld instrument is an inexpensive meter that simultaneously measures and records CO2, humidity, and temperature. It also calculates the dew point and wet bulb temperature.


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Rotronic: CO2 Transmitters

December 30, 2012
The CO2 transmitters can be used for regulating ventilation in living areas, offices, classrooms, cinemas, and hospitals, and for measuring CO2 pollution in garages, tunnels, and logistics facilities.


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Webster Engineering: Burner Control System

December 30, 2012
Webster has received a patent on its burner trim system. Trademarked TEMP A TRIM, this control system monitors burner combustion air temperature and adjusts the blower motor speed to maintain the density of the air entering the burner.


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Webster Engineering: High Efficiency Burner

December 30, 2012
Webster Engineering offers a high efficiency burner for heating and small process applications. It includes a high swirl combustion head for high turndown (10:1), a high efficiency air louver box, and linkage controls.


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Webster Engineering: Ultra Low NOx Burner

December 30, 2012
Webster Engineering offers an ultra low NOx burner (9 ppm) on natural gas. It is available with dual fuels without changing burner parts, linkageless controls, TEMP A TRIM burner control or O2 trim, and variable frequency drive.


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Webster Engineering: Digester/Methane Gas Burners

December 30, 2012
Webster offers digester gas/natural gas burners ranging from 10 to 2,200 hp, available with linkage or linkageless controls and can be modified to handle methane, syngas, or other waste gases.


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