Thermal flow sensors

20 companies | 56 products
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thermal flow sensor / for liquids / gas / analog output
thermal flow sensor
SA series

Optimised for water, oils and air Measurement of flow and temperature at the same time Red/green colour change for process values Adjustable inside pipe diameter from 25...400 mm The ...

thermal flow sensor / gas / for liquids / with integrated digital display
thermal flow sensor
FM-200

... colors lets you check the status of sensor operation at a glance. High precision of ±3 % F.S. A new rectification mechanism and Micro Electro Mechanical System (MEMS) technology allow the sensor to be ...

thermal flow sensor / mass
thermal flow sensor
PFLOW4008

... voltage [VDC] 8...24 Humidity range 0...95% RH, no icing or condensation Supplier Pewatron Product description Robust flow sensor in IP67 housing

thermal flow sensor / mass / air / in-line
thermal flow sensor
MCS100

... mass flow meter sensor of Azbil's original technology * - A larger output differential can be secured between pickup and non-pickup conditions when comparing with a standard pressure sensor * ...

thermal flow sensor / mass / gas / insertion
thermal flow sensor
TA2

The THERMATEL® TA2 is a thermal mass flow transmitter from Magnetrol. The transmitter is founded on the thermal dispersion technology that functions to give mass measurements for air ...

thermal flow sensor
thermal flow sensor
SD series

Inline-Sensor Series SD G1/4 thread • 04 mm G1/4 thread • 09 mm

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EGE
thermal flow sensor / for liquids / analog output
thermal flow sensor
SDN 503 series

... system is a thermal flow sensor for liquids, manufactured by EGE. This product contains inline flow controllers with tube fittings that are resistant to threatening ...

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EGE
thermal flow sensor / for liquids / OEM / for process monitoring
thermal flow sensor
SDN 501/1 GSP-DYN

The flow sensor SDN 501/1 GSP-DYN measures even smallest dosing quantities. It reacts to the onset of flow of a liquid medium, caused, for example, by the actuation of a dosing piston. ...

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EGE
thermal flow sensor / digital / for liquids / precision
thermal flow sensor

... pressure sensor for automatic atmospheric pressure compensation. Technical data and functions Omnidirectional sensitive tip with exposed heat ball probe. Optimized version for measuring low flow velocities ...

impeller flow sensor / thermal / gas / for liquids
impeller flow sensor
380 Btu Meter series

... saving, integrated flow and temperature sensors, commissioning via computer connection, PEEK flow sensor, rugged design, two temperature ...

thermal flow sensor / air / insertion
thermal flow sensor
HD 103T.0

... very sensitive feature which is highly advised to be protected with a special protection. In the event of transportation, the sensor is encapsulated in a cylinder screwed on top of the probe.

thermal flow sensor / gas / insertion
thermal flow sensor
SL180100

The function of the flow sensor is based on the calorimetric principle. The probe is heated up from the inside a few degrees Celsius in relation to the flow medium, in ...

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ipf electronic
thermal flow sensor / mass / thin-film / gas
thermal flow sensor
FS7

... IST AG FS7 thermal mass flow sensors are the successors of the FS5 flow sensors and exhibit a symmetrical heater design and enhanced sensitivity. The ...

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Innovative Sensor Technology IST AG
thermal flow sensor / mass / thin-film / gas
thermal flow sensor
FS7.4W

... gas and offers excellent long-term stability. The small thermal mass of the FS7.4W sensor provides a fast response time. Further advantages of the FS7.4W thermal mass flow ...

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Innovative Sensor Technology IST AG
thermal flow sensor / mass / thin-film / gas
thermal flow sensor
FS2

... AG FS2 flow sensors are applicable in gas and offer excellent long-term stability. In addition to measuring flow rates, the FS2 gas flow sensor is able ...

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Innovative Sensor Technology IST AG
thermal flow sensor / air
thermal flow sensor
EE75

... even at lowest mass flows. At the same time, the innovative probe design produces reliable measuring results at high flow velocities of up to 40m/s (8,000 ft/min). The integrated temperature ...

thermal flow sensor / mass / gas / OEM
thermal flow sensor

... Our thermal sensors are ideal for: Air volume flow metering Compressed air flow Aeration basin air flow Combustion air flow ...

thermal flow sensor / air / for harsh environments / insertion
thermal flow sensor
eYc FTM06 Series

... Resistance temperature detector ● Applicable micro corrosion air ● Strong stainless steel housing, for a variety of harsh environments ● Built-in with temperature compensation, accommodate quickly ...

thermal flow sensor / air / insertion
thermal flow sensor
eYc FTS34/35

... bottom or RS-485 ●Programmable softeware : DATA LOGGER, record, and chart analysis 【Specification】 Input sensor type : Thermal mass flow sensor air velocity measuring ...

calorimetric flow sensor / for liquids / OEM / for process monitoring
calorimetric flow sensor
flow-captor 412X.1X

flow-monitor for water- and oil-based media up to 100 bar 4120.12/13 water and water-based media 4121.12/13 oil and oil-based media Other media on request. Measuring principle: calorimetric (thermal) Measuring ...

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weber Sensors GmbH
calorimetric flow sensor / for liquids / OEM / for process monitoring
calorimetric flow sensor
flow-captor 4311.30/xx

Inline flow meter with analog output 4-20mA for water- and oil-based liquids (other media on request) - operating principle: calorimetric (thermal) - measuring range: 0 - 20 ...

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weber Sensors GmbH
calorimetric flow sensor / potentiometer / gas / OEM
calorimetric flow sensor
vent-captor 3202.0X

... Operating principle: calorimetric (thermal mass) Switching range: 0.5 m/s to 50m/s, continuously adjustable Options: high pressure (3205.0x), extended length housing, high temperature, halogen ...

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weber Sensors GmbH
thermal flow sensor / for hygienic applications / insertion
thermal flow sensor
Fluxicont FP

Fluxicont FP calorimetric flow meter Hygienc design - Accurate level control in liquids for measurement range in liquids from 0,01 to 3m/s high reproducibility small sensor diameter ...

thermal flow sensor / air / insertion
thermal flow sensor
FKM series

In the latest generation of Flow Sensors the ceramic sensor ist no longer out of the housing. If the setting of the sensor should be overridden, the teach-in button allows ...

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Proxitron GmbH
calorimetric flow sensor / for liquids / compact
calorimetric flow sensor
FS+

The FS+ flow sensor is another product from Turck's fluid sensor series. The robust sensor comes with a highly robust stainless steel housing, together with a one-piece ...

calorimetric flow sensor / vortex / magnetic-inductive / for liquids
calorimetric flow sensor
FC, FM, FT series

Flow monitoring Flow monitoring is a procedure that demands a reliable and reproducible surveillance of limit values and flow patterns. Flow sensors ...

thermal flow sensor / air / digital output
thermal flow sensor
SFAB

Flow measuring ranges: 0.1 ... 10 l/min 0.5 ... 50 l/min 2 ... 200 l/min 6 ... 600 l/min 10 ... 1000 l/min Switching output: 2x NPN 2x PNP Analogue ...

thermal flow sensor / LED / air / digital output
thermal flow sensor
SFAM

Flow measuring ranges: 10 ... 1000 l/min 30 ... 3000 l/min 50 ... 5000 l/min Switching output: 2x NPN 2x PNP Analogue output: 0 ... 10 V 4 ... 20 mA Special ...

thermal flow sensor / air / with integrated digital display
thermal flow sensor
PF2M7

PF2M7 is a digital flow sensor compatible with air, nitrogen, argon or carbon dioxide. PF2M7 refreshes the legacy PFM7 with several enhancements. The thermal sensor ...

How to choose this product

thermal-flow-sensor

A thermal flow sensor uses a fluid's capacity to carry calories from a heating element to a sensing element to measure mass flow, which is proportional to the thermal transfer.

Applications

These devices monitor cooling and lubricating circuits and detect leaks and absence of fluid (for pump protection) in the beverage industry, metallurgy, the chemical and automobile industries, and in heating and air conditioning. Sensors are designed for particular fluids: water, oil, corrosive liquids or gases.

Technologies

Thermal sensors measure the flow of homogeneous liquids and gases with very little energy loss. They have no moving parts, making them sturdy and reliable. An in-line sensor resembles a conduit section, while a threaded insertion model uses a clamp or a compression connector. Sensors are calibrated for volume rather than mass. They are suitable for measuring the flow of fluids of known specific heat and density.

Gas flow is measured by a hot wire or hot film sensor. The former consists of a heating wire placed tangential to the flow, whose rate is calculated on the basis of its cooling effect on the wire. The latter has a heating surface oriented in the direction of the flow. Upstream and downstream heat sensors measure the temperature difference and, thus, the flow rate.

How to choose

Choice will depend on fluid type, mounting configuration, measurement accuracy and type of signal or available ports.

Advantages

- Low energy loss