Vortex-type sensor M261A40-42GE-40 series
Measurement in exhaust gas, dust, condensation atmosphere, etc., and measurement of the flow rate of corrosive gases.
■Features ●Measurement in Dusty Atmospheres and High Humidity Environments This is a highly durable sensor that does not use moving parts or heaters, making it very unlikely to be damaged by wear or adhesion from dust. Therefore, it is capable of measuring wind speed in dusty environments. Additionally, it can measure flow rates in high humidity, condensation environments, and corrosive gases. In cases of dust adhesion, cleaning is also possible. It can be used in explosion-proof areas (ATEX certified). ●Applications Air, exhaust air, activated sludge air, natural gas, exhaust gas, process gas, biogas, incinerator gas, flare gas, engine exhaust gas for transport machinery, exhaust gas from semiconductor manufacturing equipment, and flow rate and flow measurement of various other gases. ●Measured Gases Single or mixed gases such as air, nitrogen, oxygen, steam, carbon monoxide, methane, natural gas, ammonia, argon gas, biogas, exhaust gas, etc. For other gases, please inquire.
basic information
■Measurement Principle It is based on the principle of Karman vortices. When fluid passes through the sensor, the internal rod acts as an obstacle, generating vortices. The flow velocity is calculated by counting these vortices using an ultrasonic sensor built into the vortex sensor. Additionally, since the vortex-type sensor does not use electrical components such as moving parts or heaters in the detection section, it is not subject to sensor damage or degradation over time. ■Sensor Usage Examples Measurement of intake and exhaust flow rates in mines; the sensor can measure even when salt deposits are present.
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Applications/Examples of results
Specifications Wind speed measurement range: 0 to 20 m/s (according to sensor specifications) Accuracy: ±1.0% mv. +0.03 m/s Operating temperature range: -25 to +200°C Standard sensor dimensions: φ42×300 mm Cable length: 3 m EMC compliance: IEC1000-4, EN50081, EN6100 Protection rating: IP68 Connector: IP65
