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Regulation standards now demand more precise flow measurement. Trust Key Instruments for dependable precision in flow meter calibrations. Our calibration services are used to verify a flowmeter's accuracy by comparing the meter with a primary flow standard traceable to the National Institute of Science and Technology (NIST). (read more)
Rotameters are typically tapered glass tubes positioned vertically in the fluid flow. A float within the tube rides upward in relation to the amount of flow. Search by Specification | Learn More
Turbine flow meters measure the rate of flow in a pipe or process line via a rotor that spins as the media passes through its blades. Search by Specification | Learn More
Ultrasonic flow meters use sound waves to determine flow rates. They can be either Doppler Effect meters or Time-of-Flight meters. Search by Specification | Learn More
Flow meters (flowmeters) and flow sensors are devices used for measuring the flow rate or quantity of a moving fluid or gas. Search by Specification | Learn More
Gas flow meters are used for measuring the flow or quantity of a moving gas in an enclosed pipe or passage. Search by Specification | Learn More
Liquid flow meters are used for measuring the flow or quantity of a moving fluid. Search by Specification | Learn More
...today. Examples of differential pressure meters include orifice plates, Venturi tubes, flow nozzles, cone types, Pitot tubes, target meters, elbow tap meters and rotameters. Positive displacement meters take direct measurements of liquid flows... Search by Specification | Learn More
Calibration instruments use electrical signals or physical quantities to calibrate sensors and meters. Devices that produce electrical signals can serve as precise meters for sensor calibration, or send output signals to other devices. Search by Specification | Learn More
Flow controllers monitor and maintain flow-rate variables, typically in process applications. Search by Specification | Learn More
...switches are used with differential pressure (DP) meters or positive displacement (PD) meters. DP meters include orifice plates, venturi tubes, flow nozzles, cone types, Pitot tubes, target meters, elbow tap meters and rotameters. With differential... Search by Specification | Learn More
Gas detectors and gas sensors interact with a gas to initiate the measurement of its concentration. The detector or sensor then provides output to an instrument to display the measurements. Search by Specification | Learn More
Flow switches are devices that monitor flow and send a trip signal to other devices, like a pump, for protection. These switches can be used for the measurement of gases, liquids, and steam. Search by Specification | Learn More
Gas purifiers, gas dryers and gas filters are used to purify gases in a process stream. They are used to reduce or eliminate point-of-use impurities in gases such as helium, hydrogen, methane, nitrogen, and carbon dioxide. Learn More
Industrial sealants are liquid or viscous compounds used between surfaces to contain fluids, prevent leaks, and prevent infiltration of unwanted material. They may also include compounds for filling gaps or seams. Search by Specification | Learn More
Air hose and air duct hose is used in pneumatic systems and controls, or as supply lines for pneumatic devices and tools. Search by Specification | Learn More
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Custom Flowmeter Solutions Key Instruments
We know ROTAMETERS Thompson Equipment Company, Inc.
Pocket Flow Meters Key Instruments
Key Instruments Flowmeter Calibration Services Key Instruments
RAMC and RAKD Metal Rotameters Yokogawa Corporation of America
Model V Medium Range Rotameter Aalborg Instruments
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Aalborg® introduces the Model xV multi-gas glass tube Flow Meters. These units feature unique rotatable scale drums for displaying flow rates of five routine gases (argon, carbon dioxide, helium, nitrogen, and oxygen).
Practical and economical, multi-gas rotameters eliminate the need for individual flow meters and calibrations.
Easy to read direct readi... (read more)
The RAMC short-stroke Rotameter allows the measurement of high flow rates using a relatively short metering tube. It is a stainless steel armored construction for the safe measurement of a variety of liquids, gas and steam. It's special application is for hazardous, dangerous or aggressive fluids, for high temperatures and high pressure rates. The RAKD short-tube mini Rotameter is used for meas... (read more)
Brooks® Model 1350 Sho-Rate™ low-flow glass tube rotameters provide 10% accuracy and ten-to-one rangeability for cost-effective flow measurement. Options include integral needle valves and flow controllers on the inlet or outlet. (read more)
ABB Variable Area Flowmeters have the largest world-wide number of installations of any brand. A highly economical solution to a wide range of low flow liquid, gas and steam applications handling flows of less than 3 cu in/min. in water. (read more)
Aalborg®'s Model F In-Line Single Tube Rotameter, made entirely of PTFE, PFA, and PCTFE, excels for high-purity applications or for use with corrosive liquids. Low Range and High Range F Style Models are individually tested on a Mass Spectrometer Leak Detector and certified.
Service in Europe: www.aalborginstruments.de (read more)
Incorporating traditional Rotameter precision glass technology, Aalborg®'s rugged brass and Stainless Steel Model V Flow Meter line offers accurate, economical solutions to medium flow range measurements. Meters are designed with unique rotatable scales of dual air-water direct reading graduations showing SCFM and SLPM (air), as well as GPM and LPM (water) markings. (read more)
Aalborg®'s Model G Multi-Tube Gas Proportioner Rotameter is unsurpassed in convenience and economy for blending two or three gases in homogeneous infinitely variable concentrations directly at the end use point. Gas proportioners pay for themselves since they eliminate the need for expensive custom blended gas mixtures. (read more)
The 150mm High/Low Alarm Rotameter with Optical Sensor Switch is a non-invasive means for detecting HI or LOW flow. This sensor is ideal for signaling an alarm, cutoff valve, or other device when the float passes the detector (alarm, valve, etc. not included). (read more)
Loutech, a company with over 20 years of experience, is a provider of connector shells. Their connector components are widely used in all type of applications spanning markets such as: Military / Aerospace, Commercial, Aviation, Business Aviation, Aircraft Engines, Marine Application, Heavy equipments, Transportation... (read more)
Electro Standards Laboratories offers High Performance Customized Data Acquisition Products.
Examples Include: Data Acquisition for Strain Gage Systems and Data Acquisition & Sensor Monitoring Systems. (read more)
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Chemical plant design & operations - Pressure Drop Calculation... Pressure Drop Calculation Across A Rotameter Colleagues, What is the proper way to calculate Pressure Drop across a rotameter? |
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Stainless Steel Frame Industrial Flowmeters Rotameter/Variable Area Air Velocity Electronic Mass |
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PTFE ROTAMETERS WITH PTFE VALVES Rotameter/Variable Area Air Velocity Electronic Mass |
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Rotameters for Corrosive Applications Accuracy: ?10% full scale Ordering Examples: FL1703-V, air rotameter with 316 SS control valve, $180 + 18 = $198. See OMEGA Engineering, Inc. Information |
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Mass Flow meters With or Without Integral Display See OMEGA Engineering, Inc. Information |
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FL-1600 : Heavy Duty Industrial Rotameters - Capacity: 0.2 to... Conforms to ISA R.P. 16.1, Spec 2-?S?-10 Repeatability: ±0.5% full scale Maximum Temp: 121°C (250°F) |
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Universal 224-PCXR8 Sample Pump Spec Sheet 1091 PDF Document Digital LCD Display Accessory Mounting Screws Touch Keypad Built-in Rotameter Recessed Flow Adjust Built-in Fluid/Particulate Trap Removable See SKC Inc. Information |
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Air Sampling Pumps: QuickTake 15 Constant Flow Diaphragm Pump... QuickTake 15 Operating Instructions (PDF) QuickTake 15 Changing the Inlet Filter (PDF) Spec. See SKC Inc. Information |
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September 2008 ? June 2009 Training&Education Standards... installation and calibration requirements density measurement ? Complete spec sheets for a variety of flowmeters and flow elements Includes ISA See International Society of Automation Information |
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Bubbler level measurement The needle valve on a rotameter will perform the same flow regulating function as a needle valve with no rotameter. |