Flow Sensor detects flow direction.
April 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.
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Original Press release
SCHMIDT Technology GmbH
Feldbergstraße 1
St. Georgen, , D-78112
Germany
SCHMIDT® Flow Sensor SS 20.400 with Flow Direction Detection
SCHMIDT Technology has released a new thermal flow sensor who is the first of it’s kind. It is the first thermal insertion sensor which can detect the flow direction as well as it can measure the flow velocity of air and gas in both directions. This sensor is really tiny, the sensor measures only 9 mm in diameter. Inside of this very thin sensor tube (made of stainless steel) you will find the complete microprocessor based electronic. The super fast sensor element allows reaction times down to 10 ms. A robust and aerodynamically designed chamber prevents the sensor element from any stress.
Additionally to the analog output this sensor offers two digital outputs for the indication of the flow direction and of a limit value. A serial interface allows on-site programming of the sensor via PC. Applications: Laminarflow monitoring in cleanrooms, monitoring of overflow or backflow between rooms with pressure difference, monitoring of room over-pressure, air quality measurements, cooling air monitoring, flow monitoring in passivation gas atmosphere, mobile air flow measuring, flow measuring in medical equipment. Technical Data: Design: Insertion sensor (Ø 9 x 100 mm), transformer integrated into sensor tube. Application: Free flowing air and air in ducts from 15 to 1.000 mm, Meas. ranges: 1 / 2,5 / 10 / 20 m/s (in both directions), Pressure: atmospheric, 700 .. 1300 hPa, Mounting: wall mounting, flange or through passage mounting, Power supply: 12 … 24 VDC / less than 10 mA Outputs: 4 ... 20 mA, 2 Open collector outputs for direction an limit detection, RS 232 for programming
SCHMIDT Technology GmbH, Feldbergstr. 1, 78112 St. Georgen,Tel.: +49/7724/899-0, Fax:+49/7724/899101, Email: info@schmidttechnology.de, Homepage: www.schmidttechnology.de
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