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Dwyer® Mini-Master® Flowmeter, MMF-2, 10% FS Acc.2-2 SCFH air
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About Dwyer® Mini-Master® Flowmeter, MMF-2, 10% FS
The Dwyer Mini-Master series MMF flowmeter is a compact 1-1/2" scale air flow meter that has 1/4" OD inlet and outlet connections for inline monitoring and measuring of small volume flows in scfh with an accuracy of + or – 10% of full scale. Integrally molded with the meter body, the connections are 19.05 mm (3/4") long and also serve as mounting tubes. The flowmeter includes two spring retainers for securing tubing (tubing sold separately), and can accommodate push-on flexible rubber or plastic tubing as well as metal or rigid plastic tubing that is secured with a compression union. It is made of styrene acrylonitrile (SAN) polymer for durability and a clear view of the scale. Black scale graduations are printed on an aluminum plate alongside the flow tube for distinct readings. Models are available with a bottom-mounted valve for metering air flow or with a top-mounted valve for vacuum service. This flowmeter is commonly used for measuring air flow in medical equipment, air samplers, gas analyzers, pollution monitors, chemical injectors, and cabinet purging equipment, among other devices. SpecificationsScale length1-1/2"Accuracy+ or – 10% of full scaleConnections1/4" OD inlet and outletPressure rating50 psi/3.4 bar without valve; 10 psi/0.6 bar with valveTemperature rating51 degrees C/125 degrees FWetted materialsBody: styrene acrylonitrile; float (varies by range): stainless steel, black glass, or nylon; valve (for applicable models): polyurethaneDimensions (H x W)66.67 x 22.23 mm/2-5/8 x 7/8 inchesWeight14.17 g/0.5 oz. H is height, the vertical distance from the lowest to highest point; W is width, the horizontal distance from left to right. Anemometers, also called wind meters, measure air velocity and are most commonly used for weather monitoring to determine wind speed and for HVAC applications to determine air flow within ducts. In addition to air velocity, anemometers may measure wind direction, air pressure, air flow volume, air temperature, humidity, light, and other properties. The most common types of anemometer are cup, vane, hot-wire, and Pitot tube. Cup and vane anemometers calculate air velocity based on the number of rotations of the cups or vane. Hot-wire anemometers calculate air velocity by measuring the change in electrical resistance as air flow cools a heated wire. Pitot tube anemometers measure air pressure within a tube and calculate air velocity based on the difference in pressure between the air inside and outside of the tube. Many anemometers have digital readouts and can display air velocity readings in different units of measure, such as meters per second (m/s), feet per minute (ft./min. or fpm), knots, miles per hour (mph), and kilometers per hour (km/h). Dwyer Instruments manufactures measurement and control instruments, including pressure gauges, flow meters, level instrumentation, temperature instrumentation, and air quality monitors. The company, founded in 1931, is headquartered in Michigan City, IN. What's in the Box? Dwyer Mini-Master series MMF flowmeter (2) spring retainers
