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HVAC -> Flow & Level Sensors


Flow & Level Sensors




(Showing headlines 1 - 20)   more ....

Inline Flow Sensors suit lubrication and pneumatic systems.

Thomas Products, Ltd., Flow Switch Div.    Southington, CT 06489
Apr 16, 2014 Made of brass or all SST, Model 1600 detects factory set points from .1–1.5 gpm in water. Model 1700 has set points as low as 1 cc/min in water. Both models handle various liquids to ensure adequate flow of coolant, lubrication, or injections of chemicals. Designed to also operate in pneumatic systems, set points of 2–8 scfm help ensure adequate air or gas flow is present. Along with standard ¼ in. FNPT process connections, features include max operating ranges up to 1,000 psig and 301°F.

Magnetic Inductive Flow Sensor provides ±1% accuracy.

Magnetic Inductive Flow Sensor provides ±1% accuracy.

Dwyer Instruments, Inc.    Michigan City, IN 46361
Mar 31, 2014 Unlike sensors with moving parts, Series MFS2 can measure contaminated media in ½, ¾, 1, or 1 ¼ in. diameter pipes. Electromagnetic PVDF flowmeter is available for flow ranges from 0.02–66 gpm. Any change in temperature, density, viscosity, concentration, or electrical conductivity does not affect output signal. Providing obstruction-free pipe cross section, Series MFS2 is suitable for accurate reversible gauging of volume flow of conductive liquids in closed piping.

Liquid Flow Sensor  measures flow rates from 0-40 mL/min.

Liquid Flow Sensor measures flow rates from 0-40 mL/min.

Sensirion Inc.    Westlake Village, CA 91361
Feb 28, 2014 Measuring 18 x 18 x 59 mm, Model LS32-1500 offers response time of 30 ms. Unit features stainless steel, PTFE, and PEEK wetted materials for optimized chemical resistance, making it suitable for biomedical applications, such as diagnostic analyzers. Sensor is completely non-invasive; MEMS chip is located on outer wall of capillary and measures through wall of this channel. Other applications include fuel cells, dosage control, and industrial automation monitoring.

Liquid Flow Sensors occupy 10 x 10 mm footprint.

Sensirion Inc.    Westlake Village, CA 91361
Feb 11, 2014 Suited for medical/biomedical applications, LPP10 and LPG10 respectively feature glass and plastic packaging that enables thermal flow sensor microchips to non-invasively measure through wall of flow channel inside microfluidic planar substrate. With no moving parts or obstacles in fluid flow path, design provides sensitivity for liquid flow measurement and bubble detection from 0–1,000 µL/min. Flow sensing response time is 30 msec, and sensor resolutions can reach 0.5 nL/min.

Capacitive Level Sensor suits rugged coolant applications.

Gems Sensors Inc.    Plainville, CT 06062
Jul 26, 2013 Designed to resolve emergency generator failure issues stemming from coolant level sensor, CAP-300 uses capacitive technology, which is tolerant of coolant coating, and has sealed (IP67, IP6K9K Approved) design for consistent operational reliability. Sensor remains reliable in standby mode with nearly zero maintenance and is compatible with temperatures from -40 to +257°F. Other water-based coolant applications range from remote power supplies to trucks, trains, and off-highway vehicles.

Liquid Flow Sensor targets semiconductor industry.

Liquid Flow Sensor targets semiconductor industry.

Sensirion Inc.    Westlake Village, CA 91361
Jul 11, 2013 Based on CMOSens® Technology, Model SLQ-QT500 covers flow rates from 0–120 mL/min. Microthermal flow measurement is performed through flow channel wall, which separates chip from measured liquids, so only PFA tubing and quartz flow channel are in direct contact with liquid. Equipped with RS485 digital interface, sensor provides sample rate up to 1 ms. Device is suitable for measuring hydrocarbon-based solvents such as photoresists, as well as water-based liquids such as TARC and H2O2.

Pressure Sensors feature hermetically sealed construction.

Pressure Sensors feature hermetically sealed construction.

Honeywell Sensing and Control    Golden Valley, MN 55422
Jul 09, 2013 Featuring all-welded, one-piece stainless steel construction and Inconel® X-750 wetted parts for use with abrasive or corrosive media, Model 425 provides ±0.1% high accuracy or ±0.2% standard accuracy, while Model 427 features ±0.2% accuracy. Model 427 has wide and shallow sensing port that facilitates seamless flow of viscous media blends. Wing Union/Hammer Union sensors are RFI/EMI protected, with field adjustable zero and span, multiple electrical connections, and intrinsically safe option.

Insertion Electromagnetic Flow Sensor has no moving parts.

Insertion Electromagnetic Flow Sensor has no moving parts.

Dwyer Instruments, Inc.    Michigan City, IN 46361
Apr 26, 2013 Designed for 1–12 in. pipe sizes, Series EFS2 is available in stainless steel, brass, and PVC with variety of custom fittings. Liquid flow through magnetic field produces voltage that is measured and translated into output signal. Capable of measuring flow from 0.28–20 ft/sec with accuracy of ±1% FS, series is suitable for any application where moving parts would by problematic, such as dirty liquids. In addition, sensor can handle applications where there are rapid changes in viscosity and flow.

Paddlewheel Flow Sensor offers several material options.

Paddlewheel Flow Sensor offers several material options.

Dwyer Instruments, Inc.    Michigan City, IN 46361
Apr 05, 2013 Available with brass, stainless steel, PVC, and polypropylene materials, Series PDWS is designed for ½–8 in. pipes and suits chemical proportioning applications or any application with rapidly changing fluid conductivity. Ruby jewel bearings reduce coefficient of friction and maintain accuracy. Covering 0.3–30 fps range and delivering ±1.5% FS accuracy, series features brass, 316 SS, PVC, or polypropylene sensor; PVDF rotor; nickel-bonded tungsten carbide shaft; and EPDM O-ring.

Exchangeable Turbine Flow Sensor serves low-flow applications.

Clark Solutions    Hudson, MA 01749
Mar 29, 2013 With accuracy of 1% of reading, Model PFAD serves applications with flow rates of .06–20 Lpm. Design lets users exchange flow tubes in biomedical, chemical feed, and flow control loop applications. Originally designed for pharmaceutical industry, chemical- and corrosion-resistant sensor has PFA wetted parts with ruby bearings. Optional elements include programmable K factor, flow switch, and programmable batch feedback function for pump control.

Digital Mass Flow Sensors suit portable/handheld applications.

Digital Mass Flow Sensors suit portable/handheld applications.

Sensortechnics, Inc.    Dublin, CA 94568
Mar 27, 2013 Offering flow ranges from 0 to 200 or ±200 sccm and 0 to 1 or ±1 slpm, WBI series includes unidirectional and bidirectional sensors that achieve accuracy of ±2.0% of reading +0.25% FSO. Linear output signal is available via digital I²C bus interface; analog output is available upon request. Utilizing sensitive thermal measuring principle to detect air and gas flows, sensors operate from 2.7–5.5 V supply and are sized to enable space-saving and flexible PCB mounting.

Electromagnetic Flow Sensor measures liquids down to 0.03 gpm.

Electromagnetic Flow Sensor measures liquids down to 0.03 gpm.

Dwyer Instruments, Inc.    Michigan City, IN 46361
Mar 22, 2013 Available in ¾ or 3/8 in. pipe, Series LOFM liquid mag meter uses conductivity of fluids to measure flow. Liquid flow through magnetic field produces voltage which is measured and translated into pulse output signal. Housed in splashproof HDPE plastic, meter comes with variety of factory-installed adapters and O-rings. With no metal parts, unit is corrosion-resistant and compatible with wide range of chemicals. Meter also has no moving parts, making it suitable for dirty water applications.

Digital Airflow Sensors support custom calibration.

Digital Airflow Sensors support custom calibration.

Honeywell Sensing and Control    Golden Valley, MN 55422
Dec 13, 2012 Integrating bypass to main flow channel of sensor, digital versions of Zephyr™ HAF Series are designed for direct implementation into main flow channel and provide airflow ranges of 0–20 SLPM (standard liters per minute) and 0–200 SLPM. Total Error Band is ±4% of reading, and accuracy is rated at ±3.5% of reading. Configurable and customizable with multiple interface and package options, flow ranges, and custom calibration, sensors feature interfaces that facilitate integration.

Ultrasonic Level and Flow Sensor offers early flood warning.

Ultrasonic Level and Flow Sensor offers early flood warning.

Halma Plc    Cincinnati, OH 45249
Dec 07, 2012 Offering non-contact, remote, and wireless monitoring, battery-powered SonicSens 2 measures distance to water surface and automatically sends alerts to up to 16 phone numbers when level reaches specified thresholds. If alarm condition activates, it can also provide accelerated dial-in functionality, allowing rapid access to detailed information. Intelligent sensor features adjustable range settings, variable dead band/blanking distance, self-diagnostics, and alarm condition in event of echo loss.

Magnetic Switch Sensors feature TMR technology.

Magnetic Switch Sensors feature TMR technology.

MultiDimension Technology    San Jose, CA 95138
Dec 06, 2012 Integrating tunneling magnetoresistance sensors and signal processing ASICs within SOT-23 or TO-92 package, Model MMS101H features bipolar operation with digital latching output, while Model MMS201H provides omnipolar operation that can be triggered by south or north pole. Sensitive operate and release points are ±15 Gauss for MMS101H and ±10/±15 Gauss for MMS201H. Consuming less than 4.5 mA while operating continuously, sensors are intended for battery-powered industrial flowmeters.

Metal Averaging Flow Sensor measures air flow in ducts.

Metal Averaging Flow Sensor measures air flow in ducts.

Dwyer Instruments, Inc.    Michigan City, IN 46361
Aug 09, 2012 Suited for use with air velocity gauges, transmitters, and switches, Series MAFS utilizes evenly distributed total and static pressure measuring points to deliver accurate measurement of flows in ducts. Blade profile provides optimal performance with minimal flow disruption in air stream. Air flow measuring probe can be completely installed from outside of round or circular ducts. Available from 4-48 in., Series MAFS is useful in HVAC industry.

Mass Air Flow Sensors incorporate MEMS technology.

POSIFA Microsystems, Inc.    San Jose, CA 95112
Jun 05, 2012 Replacing membrane-cavity structure with solid-state thermal isolation structure on sensor die, PMF2000 Series eliminates field failures associated with pressure shock, humidity, and contamination. Using internal microcontroller, sensors cover ranges from 10-2,000 sccm for both unidirectional and bidirectional flow, and provide 1-5 Vdc linear output with better than 2% FS accuracy. Units are fully calibrated and compensated over temperature range of 0-50°C.

Turbine Flow Sensor is suited for underground installations.

Turbine Flow Sensor is suited for underground installations.

Clark Solutions    Hudson, MA 01749
Apr 11, 2012 Designed for 3 and 4 in. pipe systems, FSI-S00 is constructed with 4-bladed, HDPE impeller; Type 1 PVC sensor housing; tungsten carbide impeller shaft; and BUNA-N O-ring. Sensor is rated to 150 psi and outputs square wave digital signal proportional to flow. Also, pulse signal output will travel up to 2,000 ft without amplification. Installation requires end user to drill pipe and mount saddle, and sensor insert mounts in housing that controls depth and alignment of impeller.

Turbine Low Flow Sensors include molded mounting tee.

Turbine Low Flow Sensors include molded mounting tee.

Clark Solutions    Hudson, MA 01749
Apr 11, 2012 Designed for 1, 1½, and 2 in. pipe systems, FSI-T00 Series is constructed with 4-bladed HDPE impeller, Type 1 PVC sensor housing, tungsten carbide impeller shaft, and Buna-N O-ring. Units deliver square wave digital signal output proportional to flow that will travel up to 2,000 ft without amplification. Equipped with threaded retaining nut for servicing, sensors are suited for water treatment systems, water dispensing, cooling loops, irrigation systems, and large scale aquariums.

Airflow Sensors detect low pressure drops.

Airflow Sensors detect low pressure drops.

Honeywell International Inc.    Morristown, NJ 07960
Mar 07, 2012 Providing flow ranges from ±50 to ±750 SCCM, Zephyr(TM) Analog and Digital Airflow Sensors offer Total Error Band as low as ±2.25% FSS, allowing accurate airflow measurement. Stability minimizes errors due to thermal effects and null shift, providing accurate readings over time and often eliminating calibration after PCB mount. Potential applications include fuel cells, gas meters, and HVAC filters as well as hospital diagnostics, patient monitoring, and ventilators.




(Showing headlines 1 - 20)   more ....


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