FilterSense
Beverly, MA 01915
Jun 01, 2005 With no orifices or thermal elements to clog, AF 100 Series measures air flow/velocity in high-particulate processes and stacks. Abrasion-proof probes are available for pipes and ducts, while non-intrusive ring sensors are available for tubing. Combining time-of-flight/cross correlation principle with charge induction and current measurement techniques, monitors are suited for process pipes, injection lines, dryers, cyclones, precipitators, and baghouses.

SCHMIDT Technology GmbH
St. Georgen D-78112  Germany
Apr 11, 2005 Thermal Insertion Sensor, Model SS 20.400, measures flow velocity of air and gas in both directions with ranges of 1, 2.5, 10, and 20 m/s. Measuring 9 mm in dia, stainless steel tube contains microprocessor-based electronics, and aerodynamic chamber prevents stress on sensor element. Offering reaction times down to 10 ms, sensor provides 1 analog output and 2 digital outputs for indication of flow direction and limit value. Serial interface allows on-site programming via PC.

SCHMIDT Technology GmbH
St. Georgen D-78112  Germany
Apr 11, 2005 Model SS 20.60 offers measuring range up to 160 m/s and delivers values in Kg/hr or m³/min. Fieldbus interface makes it suited for large installations with high number of sensors. Bus cabling is fed through screwed cable glands and is wired internally via screw terminals. Applications include combustion-air control in gas, coal or oil burners; volume flow measurements in nitrogen or other passivation gases; and compressed-air consumption measurements.

ifm efector, Inc.
Exton, PA 19341
Apr 04, 2005 Used to continuously monitor compressed air systems, efector Metris divides plant into zones based on number of fittings and potential leakage points in any area. Sensor can be mounted in supply pipe to monitor one machine or in plant zone to monitor several machines, sensing compressed air levels when equipment is on or off. Micro DC, PNP sensor models SD6001 and SD8001 have respective measuring ranges of 0–44 and 0–132 scfm.

Schmidt Feintechnik GmbH
  Germany
Feb 14, 2005 Able to work with nitrogen, argon, and other inert gases, Flow Sensor SS 20.60 also works with compressed air at up to 16 bars over pressure. It features 2 parallel outputs, 1 digital and 1 analog, which allow simultaneous connection to local display and building control system. Immersion type sensor, suited for pipes from 25–1,000 mm in dia, has expandable nitrogen measuring range from 60–160 m/s and 100 Hz pulse output.

Degree Controls Inc.
Milford, NH 03055
Jan 12, 2005 Utilizing thermistor technology, AccuSense F900 measures airflow temperature and velocity from 30–200 fpm to 30–2,000 fpm, depending on calibration. Product, resistant to mechanical shock and vibration, is available with temperature compensation settings of ±5% of reading from 10–35°C and ±10% of reading from 10–60°C. With supply voltage of 7–13 Vdc, series has linear 0–4 V output or digital output for direct control of airflow environment.

Schmidt Feintechnik GmbH
  Germany
Jun 04, 2004 SCHMIDT® flow sensor SS 20.515 features single-point fixture that can be adapted to ceiling systems. Sensor tube positions sensor tip at correct distance from LF ceiling, allowing it to be rotated into optimum position. Sensor incorporates smooth sensor tip, without edges, and can be supplied in H₂O₂ or alcohol disinfection versions. Operating from 24 Vdc/110 mA power supply, sensor has 0–1 m/s measuring range and 4–20 mA output.

Emerson Process Management
Knoxville, TN 37932
Mar 26, 2004 Rosemount Analytical Model 245 flow-through toroidal conductivity sensor works with viscous, fibrous, and corrosive samples. Sensor design consists of one pair of isolated, wire-wound toroids, enabling unit to withstand harsh environments of pharmaceutical, biochemical, and food and beverage processing. Available in 4 line sizes from ½–2 in., sensor is manufactured with 316L Stainless Steel, EP, and unfilled-PEEK and meets 3-A sanitary standards.

Fluid Components Intl.
San Marcos, CA 92069 5115
Mar 15, 2004 Series 180 Flow Sensors, with no moving parts, provide switching, alarming, rate metering, and totalizing of air, gases, or liquids. Line sizes from 0.25–6 in. are supported. Thermowell-mounted, platinum RTD sensors prevent contamination by process fluid. Mean time between failure exceeds 60,000 hr. Applications include fuel and air feed lines, additive dispensing control, oil and lubricant circulation, pump protection circuits, cooling system controls, and over/under flow limit switches.

Sensor Products Inc.
Madison, NJ 07940
Oct 31, 2003 Tactilus Surface Air Flow Sensor contains 1-dimensional array of 16 pressure sensing elements. Capacitance-based design provides sensitivity for positive and negative pressures. Multiple strips can be connected to same interface to allow hundreds of data points to be collected. Model TAF-1000 is suited for measurement on flat surfaces, while Model TAF-2000 is flexible for curved surfaces. Model TAF-1500 is for rheology and fluid mechanics applications.

Burkert
Irvine, CA 92614 5840
Oct 22, 2003 Type 8030HT paddle-wheel flow sensor accommodates neutral and slightly aggressive solid-free liquids. It handles temperatures to 320°F and fluid pressures to 580 psi. Min/max velocity range is 1.64-32.8 fps, providing flow range of 0.3-500 gpm. Axis and paddle wheel are stainless steel. Available in 2-wire, frequency-sinusoidal and 3-wire, frequency-pulse versions, Type 8030HT is compatible with pipe diameters of ½-2 in.

J-Tec Associates, Inc.
Cedar Rapids, IA 52402
Sep 30, 2003 Flo-Tube Flow Sensors create and sense pressure difference in variety of flowing media within pipeline or closed conduit. When connected to differential pressure gauge or 4-20 mA transmitter, they provide accurate method of flow measurement. Single, double, and hot tap mountings are available. Sensors have no moving parts and are resistant to vibration. Applications include gas, fuels, chemicals, emissions, wastewater, and steam.

TURCK, Inc.
Plymouth, MN 55441
Sep 15, 2003 Remote-mounted, in-line flow sensors feature stainless steel wetted parts that are available with 4 or 10 mm inner diameter. They can be installed into new and existing applications. Flow detection is accomplished without moving parts so there is nothing to obstruct fluid flow. Sensors offer choice of AC or DC operation, as well as analog, discrete, and relay outputs. They are suited for flow detection in limited space applications.

Omron Electronics LLC
Schaumburg, IL 60173
Aug 20, 2003 Model D6F features heater between 2 thermopiles that lets unit detect both gas flow velocity and direction. Silicon thermal sensor detects velocities as low as 0.005 m/s. Package styles are available for use in natural or LP gas flow measurement, HVAC system air flows, medical gas applications, and hydrogen. Sensor is suited for fuel cells, chemical test chambers, boilers, and respiration monitors in medical treatment applications.

McMillan Co.
Georgetown, TX 78627 1340
Oct 23, 2002 Flow sensors can be constructed from plastic, brass, or stainless steel, and can be combined with totalizing displays. Systems provide realtime flow rate display and analog output (proportional to flow rate). Flow rates can be measured as low as 13 ml/min with ±3.0% linearity (FS) and 0.2% repeatability (FS). Flow totalizing systems are suited for flow measurement applications within advanced instrumentation. Packaging allows for integration into new/existing designs.

Madison Company
Branford, CT 06405
Oct 09, 2002 Model FL3917 measures fluid flow by sensing its impact force on static target. Non-contact sensor is insulated from fluid by solid stainless steel wall. One-piece construction eliminates joints, welds, and seals. Designed to operate in temperature range from -30 to +90°C, target-type flow sensor provides bidirectional flow measurement at line pressures up to 1,000 psi. Small size of target and housing enable sensor to fit wide range of pipe diameters.

McMillan Co.
Georgetown, TX 78627 1340
Jun 24, 2002 I-106 Flow-Sensor System measures flow rates of fluids as low as 15 mLpm, and is designed as electronic alternative to ball-and-tube rotameters. Teflon, Kal-Rez, and sapphire construction guarantees compatibility with virtually any chemical, including isopropyl alcohol and hydrofluoric acid. FM/CSA Class 1 Division 1 Groups C & D approval allows I-106 to be used in hazardous environments. Pulse output is standard; analog output is also available.

Magtrol, Inc.
Buffalo, NY 14224
Jun 21, 2002 Air flow sensor for company’s Hysteresis Dynamometers provides protection against operator error. When sensor is used with company’s DSP6001 Dynamometer Controller, it does not allow dynamometer brake to be energized until blower or air supply has been turned on. Air flow sensors can be retrofitted to company’s ED-715 and 815, HD-510, 710, 715 and any HD-800 Series dynamometers.

Walchem Corp.
Holliston, MA 01746 1460
May 28, 2002 PosiFlowO, suitable for EH and EZ Series pumps, detects flow of liquid output by pump, which verifies metering pump is moving liquid and has not lost prime. It does not incorporate any moving parts, and offers preserved flow path to eliminate plugging or jamming. Output signal stops if pump loses prime, is in dead-head condition, or if pump loses pressure due to broken discharge line. Input device can be configured to interpret signals.

ifm efector, Inc.
Exton, PA 19341
May 22, 2002 Model SI 1004, for liquid and gas applications, adjusts 4 to 20 mA output to open and close valve or adjust speed of pump. Bar-graph display provides local indication of flow rate. Sensor operates on calorimetric principle where cooling effect of flowing fluid is used to monitor flow rate. Transmitter has no moving parts, is packaged in one-piece housing, and has stainless steel wetted parts. It operates in fluid temperatures from -13 to +176°F and pressures up to 4350 psi.