Monitoring flow in material-blending applications (i.e.Purging instrument air lines (i.e., lines that use a valved meter).Measuring water and gas flow in plants or labs.Variable-area flowmeters are well suited for a variety of liquid and gas applications, including the following: ![]() ![]() The valve can be reconfigured to mount at the outlet (top), often for vacuum applications. This arrangement is typically used for positive pressure applications for liquids and gases. Valved flowmeters have a valve mounted at the inlet (bottom) of the flow meter. This direct-reading flowmeter provides a robust solution for your laboratory that eliminates the need for reading conversions. Minimum flow rate is approx 10% of the maximum flow rate.The Cole-Parmer 150 mm variable area flowmeter with brass/carboloy float is intended for air (100 mL/min). *Flow rates are at standard temperature and pressure (70☏ and 14.7 psi). This manual provides detailed instructions, specifications, and troubleshooting tips for the meter. User Manual Pressure and Flow Meter with NIST-Traceable Calibration Model 20250-13 MAX MIN P/V/F THE STANDARD IN PRECISION MEASUREMENT Introduction The Digi-Sense Pressure and Flow Meter (Model 20250-13) measures differential and static pressure, and calculates air velocity and airflow. Time clock on Max/Min/Avg provides time reference. Save and recall 99 sample readings per parameter. Reliable measurements, guaranteed Precalibrated to NIST-traceable standards. r Specifications- Accuracy: ±5% full-scale for meters with rate of 0.065 and 0.283 mL/min of H2O ☒% full-scale for remaining Repeatability: ☐.25% full-scale Max pressure: 200 psi (13.7 bar) Operating temp: -15 to 250☏ (-26 to 121☌) Connections: V8" NPT(F) Aluminum flowmeter 32044-00 with high-resolution valve Aluminum flowmeter 03216-00 with valve ^Correlation data sheets for water and air are included with flowmeters. Learn how to use the 32908 mass volum gas meter, a versatile device that can measure the mass flow rate, volumetric flow rate, density, and temperature of 130 different gases. Easily determine the performance of your heating and cooling systems. We can also supply calibration data for oxygen, nitrogen, hydrogen, helium, CO2, argon, other liquids and gases, and for conditions other than STP- contact your local dealer for more information. ![]() All flowmeters come with correlation data sheets for water and air at standard temperature and pressure (STP). Select a flowmeter with a high-resolution valve for superior flow rate control-ideal for low-flow applications or for any application where you need precise flow control. ![]() 316 Stainless Steel Flowmeters feature excellent chemical compatibility. Brass Flowmeters are economical and good for use with water. Aluminum Flowmeters are economical and good for general use with noncorrosive gases and liquids. Browse >100,000 products at Flowmeters Cole-Parmer® 65-mm Flowmeters Read more easily with 16% magnification of scale Cole-Parmer - A vertical tangential locator line ensures hairline accuracy in reading float position - Ceramic millimeter scale is fused directly to flowtube - More accurately set your desired flow point with 16-turn high-precision valve features a “nonrising stem” Each flowmeter consists of a heavy-walled glass flowtube mounted in a frame with white acrylic back plate (Vk" thick). Downloadable Product Literature Choose literature to download below.
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