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HVAC -> Flow & Level Sensors


Flow & Level Sensors




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

Airflow Monitor generates one signal for multi-fan arrays.

Climatecraft    Oklahoma City, OK 73101
Feb 06, 2012 MatrixMonitor(TM) gauges airflow in arrays with 3-98 fans, with max airflow of 300,000 cfm per array. Offering alternative to fan inlet and piezometric flow monitors, this digital instrument consists of sensors and internal wiring for each fan connected to embedded processor. Solution operates on 100 W power supply and generates one airflow signal for entire fan array. With dual fan array capability, product can operate as stand-alone system or integrate with building automation system.

Wing Union Sensor suits oil and gas exploration applications.

Wing Union Sensor suits oil and gas exploration applications.

Honeywell Sensing and Control    Golden Valley, MN 55422
Nov 03, 2011 Delivering ±0.1% BFSL (Best Fit Straight Line) accuracy, Model 425 enables operators to monitor downhole drilling conditions and detect pressure spikes, which promotes accelerated adjustments and control. Model 427, with free flow sensing port @ ±0.2% BFSL, has wider aperture design with rounded edges allowing seamless flow of more viscous media through critical sensing area. This reduces clogging and buildup while providing consistent and accurate pressure measurements.

Liquid Flow Sensor serves low-volume dosing applications.

Liquid Flow Sensor serves low-volume dosing applications.

Sensirion Inc.    Westlake Village, CA 91361
Jul 11, 2011 Able to detect flow rates below 120 mL/min for hydrocarbon-based liquids, SLQ-QT105 offers ~40 msec measurement response time and sensitivity for flow rates down to 3 mL/min. Detection of air bubbles in µL range is also possible, and all wetted materials are made from PTFE or quartz glass. Flow is measured without moving parts and non-invasively through wall of straight flow path. Features include fittings for 4 x 3 mm PFA tubing, digital interface, and RS485 communication.

Extended Range DP Sensor measures medical ventilation air flow.

Extended Range DP Sensor measures medical ventilation air flow.

Sensirion Inc.    Westlake Village, CA 91361
Dec 07, 2010 With 0-3,500 Pa measuring range, fully calibrated and temperature-compensated SDP2108-R offers 8 msec response time and analog output signal with 0-4 V range. Root square output enables measurements at minimal differential pressure (DP) levels, while simultaneously allowing coverage wide dynamic measurement range. Sensor utilizes thermal flow measurement and exhibits freedom from zero point drift.

Air Velocity Sensor protects electronics from overheating.

Air Velocity Sensor protects electronics from overheating.

Degree Controls Inc.    Milford, NH 03055
Nov 18, 2010 Supplied in 1.0 x 0.25 x 0.5 in. package with 0.1 in. pitch, F600 enables electronics manufacturers to anticipate thermal rise before it occurs by directly monitoring airflow at critical board locations. Board level sensor, used for continuous monitoring of airflow in small locations, has air velocity range of 100-1,000 fpm and offers output to sound alarm or reduce system power if loss of air velocity occurs. Communication to sensor is accomplished via I²C or UART interface.

Airflow Sensors provide analog interface.

Airflow Sensors provide analog interface.

Honeywell International, Inc.    Morristown, NJ 07960
Nov 17, 2010 Suited for customers that are replacing legacy analog parts or who prefer to operate with analog sensors, Zephyr(TM) HAF Series measures mass flow of air and other non-corrosive gases over specified full scale flow span and temperature range. Units provide 2.5% accuracy with maximum stability, minimizing errors due to thermal effects and null shift to provide accuracy over time. With 3.3 Vdc voltage option, units are suited for battery-powered and portable applications.

Pressure and Flow Sensors target microfluidic systems.

Pressure and Flow Sensors target microfluidic systems.

Dolomite Centre Ltd    Royston SG8 5TW  United Kingdom
Sep 24, 2010 Mitos Sensor Units provide flexible system for measuring and displaying pressure and flow rates in microfluidic systems. All data is displayed in real-time on display unit that interfaces with each sensor via push-and-click action. Comprising 5 flow rate sensors and 1 pressure sensor (-0.5 to 30 bar), range is fully interchangeable, and each device can run stand-alone or integrated with Mitos P-Pump for logging of flow rate output. All data is easily transferrable to PC via USB.

Paddlewheel Flow Sensor features pulsed output.

Paddlewheel Flow Sensor features pulsed output.

Dwyer Instruments, Inc.    Michigan City, IN 46361
Aug 25, 2010 Used for monitoring liquid flow in 1½-40 in. pipes, Series PFT is weatherproof and submersible for application flexibility. Insertion design allows one model to be used for full pipe size capability, and non-magnetic operation using inductive sensing allows for low-flow sensing. Square wave output signal is generated with frequency proportional to flow velocity, and wear protection lend to extended life. To accommodate different media, brass or 316 SS versions are available.

Fluid Flow Sensors provide visual indication.

Fluid Flow Sensors provide visual indication.

Gems Sensors Inc.    Plainville, CT 06062
Jul 14, 2010 Delivering 4.5-24 Vdc pulsed output that is proportional to rate of flow and can be integrated into most digital logic units, RotorFlow Series RFO uses paddlewheel to provide at-a-glance verification that fluids are moving. Units are offered in ¼-1 in. ports sizes and monitor fluids from 0.1-60 gpm with typical accuracy within ±7%. Brass and stainless steel models feature operating pressures to 200 psig at 70°F, while polypropylene versions operate to 100 psig.

Micro Flow Sensor suits ultra low gas-flow applications.

Micro Flow Sensor suits ultra low gas-flow applications.

Innovative Sensor Technology    Las Vegas, NV 89119
Jul 13, 2010 Utilizing thin film technology to layer platinum micro heaters and temperature sensors on ultra sensitive polymer membrane with glass substrate, Model MFS02 measures thermal mass flow of gases in range of 0.001-2 m/s and operates from -40 to +150°C. Sensor element can be mounted as assembly on electronic PCB or other carrier, and is suitable for mounting in bypass flow assembly for differential pressure applications. Customers can specify dimensions and resistor layouts to fit application.

Flow Sensing Technology minimizes process disruptions.

Flow Sensing Technology minimizes process disruptions.

Servomex Group Ltd    Crowborough East Su TN6 3DU  United Kingdom
Jul 12, 2010 Available as option for SERVOPRO MultiExact multigas analyzer and SERVOTOUGH Oxy oxygen analyzer, Flowcube sensor enables multiple system diagnostics and data trending to be ascertained from flow measurement. Trending of overall sample system and implementation of preventive maintenance minimizes process disruptions. Measurement of bulk cooling characteristic of gas promotes stable measurement, and lack of consumable parts extends field service.

Configurable Air Velocity Sensor suits embedded applications.

Configurable Air Velocity Sensor suits embedded applications.

Degree Controls Inc.    Milford, NH 03055
May 26, 2010 Utilizing constant deltaT architecture, AccuSense F333 measures air velocity from 40-2,000 fpm while maintaining better than ±10% accuracy across 15 to 60°C range with 2% or better repeatability. User-configurable, linear voltage output of 0-5 or 0-10 V facilitates integration, while UART or I²C interface enables specific memory location access. Offering dedicated open drain alarm pin, RoHS-compliant sensor is aimed at ducting applications, fume hoods, and biological safety cabinets.

Handheld Particulate Sensor monitors indoor air quality.

Critical Environment Technologies    Delta, BC V4G1M3  Canada
May 18, 2010 With ability to sense dust, particulates, cigarette smoke, pollen, and fibers, YESDUST runs on internal rechargeable NiMh batteries providing approximately 5 hr of run time, or supplied wall adapter, providing continuous operation. Product is designed to be used with multi-sensor indoor air quality (IAQ) monitors. Measured readings are shown on LCD display and data logged to internal flash card of IAQ monitors.

Paddle Wheel Flow Sensor suits low viscosity liquids.

Paddle Wheel Flow Sensor suits low viscosity liquids.

PKP Process Instruments, Inc.,    Hudson, MA 01748
May 11, 2010 Available for pipe sizes of 1-2 in. with turndown ratios of up to 50:1, DR05 sensors measure flow of water and substances similar to water. Polypropylene pipe fitted with paddlewheel extends into area of flow and is set into rotation by flowing liquid. Rotary motion, sensed by Hall sensor, is output as series of pulses converted into 4-20 mA analog signal or into 2 limit contacts by optional electronics. Wetted materials include a PP housing, ECTFE rotor, and ceramic axels and bearings.

Environmental Sensors improve building automation tasks.

Environmental Sensors improve building automation tasks.

Carlo GAVAZZI Automation Components    Buffalo Grove, IL 60089
Apr 30, 2010 Able to measure indoor environmental parameters such as CO2, humidity, temperature, and air velocity, CE-approved and RoHS-compliant CGES Series can help increase supply of fresh air into building, improve indoor air quality, and contribute to compliance with ASHRAE 62-1989. Each sensor operates on 24 Vac/Vdc and can be mounted in walls or ducts. Output options include 0-10 V, 4-20 mA, and switching, while auto-calibration ensures proper tuning for continuous, worry-free operation.

Digital Airflow Sensors remain accurate across operating range.

Digital Airflow Sensors remain accurate across operating range.

Honeywell International, Inc.    Morristown, NJ 07960
Apr 20, 2010 Delivering airflow reading accurate to 2.5%, Zephyr(TM) HAF Series features digital output and is customizable to suit specific requirements. Design, in addition to being optimized for sensitivity, offers minimal susceptibility to thermal effects and null shift. Along with linear output, products feature ASIC-based I²C digital output that facilitates integration to MPUs/MCUs. Low voltage option and power supply requirements allow use in portable applications.

Flow Sensors target solar and geothermal systems.

Flow Sensors target solar and geothermal systems.

Clark Solutions    Hudson, MA 01749
Mar 23, 2010 Operating on principle of Kármán's vortex trail, DN Series Liquid Vortex Flow Sensors are suitable for flow ranges from 0.24-39.6 gpm and offer accuracy to 1% FS of measured value. Versions with 1,000 W RTD temperature sensor built-in to bluff are available, providing direct temperature measurement in medium to facilitate documentation of energy transfer in water and water glycol based heat exchange systems.

Ultrasonic Sensors are programmable locally or remotely.

Ultrasonic Sensors are programmable locally or remotely.

Madison Company    Branford, CT 06405
Feb 22, 2010 Designed for non-contact level, presence/absence, volume, proximity, and distance measurements, microprocessor-based U44xx family can be programmed via USB or RS-232 interface software. Self-contained U4466 series comes with set-up software and user-selectable options, while loop-powered U4467 series measures volume and open-channel flow of liquids and suits hazardous locations. Web enabled U4468 series is suited for monitoring, and control of local and remote tank conditions.

Fume Hood Monitor ensures air flow is sufficient for exhaust.

Fume Hood Monitor ensures air flow is sufficient for exhaust.

Dwyer Instruments, Inc.    Michigan City, IN 46361
Jan 21, 2010 Series 670 Fume Hood Monitor continuously senses air flow through face of fume hood, ensuring safe levels of fresh air are exhausting potentially hazardous fumes. Featuring hot-wire sensor to detect low flows common on fume hoods, it also includes LED safe and alarm status indicators, audible alarm with temporary or permanent horn silence, relay alarm output, and input for night set-back. Mounting bracket, 2 in. of tubing, and 120 Vac power adapter are included.

OEM Flow Sensors offer accurate air/gas/liquid measurement.

OEM Flow Sensors offer accurate air/gas/liquid measurement.

Fluid Components International    San Marcos, CA 92069
Jan 05, 2010 Designed for use in line sizes from 0.25-6 in., 180 Series OEM Flow Sensors provide switching, alarming, rate metering, and totalizing of air, gases, or liquids. They are suitable for equipment or machinery that requires flow/level sensing as part of control system loop or OS. Products incorporate 2 platinum RTD sensors mounted in miniature thermowells which are sealed to avoid contamination by process fluid. Units have no moving parts and are maintenance free.




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



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Bottle Filling Made Easier with Accurate, Reliable MTS Level Sensors

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Stainless Steel Liquid Flo-Sensor®

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