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The machine tool division was sold to fellow Rockford company Bourn & Koch, who provides parts, service, and support for their machines to this day. Barber–Colman henceforth focused on cutting tools and process controls. The remaining divisions were eventually sold off. The Barber–Colman trademark is held by Eurotherm Controls, Inc.
Duct leakage test in the US. A duct leakage tester is a diagnostic tool designed to measure the airtightness of forced air heating, ventilating and air-conditioning (HVAC) ductwork. A duct leakage tester consists of a calibrated fan for measuring an air flow rate and a pressure sensing device to measure the pressure created by the fan flow.
1987: Siebe plc acquires the Barber-Colman Company, an industrial automation and controls business. 1990: Siebe plc acquires the Foxboro Company, another industrial automation business. [2] [3] 1994: Siebe plc bought Triconex, a safety control business. [2] 1997: Siebe plc acquired APV plc.
A tenter using a Barber-Colman knotter. A Barber-Colman knotter is a piece of textile machinery used in a weaving shed. When all the warp carried on the weavers beam has been used, a new beam replaces it. Each end has to pass through the eyes on the existing heddles, and through the existing reed. The knotter takes each new thread and knots it ...
A diffuser is "a device for reducing the velocity and increasing the static pressure of a fluid passing through a system”. [1] The fluid's static pressure rise as it passes through a duct is commonly referred to as pressure recovery. In contrast, a nozzle is used to increase the discharge velocity and lower the pressure of a fluid passing ...
Barber-Greene Company was a company founded in 1916 by American mechanical engineers Harry H. Barber and William B. Greene. It was formed to sell standardized ...
A typical IEPE sensor supply with 4 mA constant current and 25 V compliance voltage has a power consumption of 100 mW. This can be a drawback in battery powered systems. For such applications low-power IEPE sensors exist which can be operated at only 0.1 mA constant current from a 12 V supply. This may save up to 90 % power. [4]
Originally called the Barber-Colman Impressor, the Barcol impressor was developed by Walter Colman as a hand-held, portable means of assessing the hardness of a material during World War II. [2]