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Low cost HVAC pressure sensor for clean-room air flow monitoring
29th June 2008
 The DPS low differential pressure transducer is an affordable sensor for measuring air-flow differential pressure in semiconductor processing clean-rooms, pharmaceutical research laboratories, building ventilation air ducts and factory air conditioning.
This economical HVAC pressure transmitter relies on wear-free inductive coupling technology to detect fractional movements in the sensing diaphragm. This sensing technology provides a highly stable and reliable method for sensing low pressures. The DPS low differential pressure transmitter can be specified in ranges starting from as low as 10 pascals up to 1 bar which covers a wide range of applications whether you are controlling the differential pressure between two rooms, measuring the differential pressure in a ventilation duct, or detecting the condition of an air filter. The DPS clean-room dp pressure sensor has a standard linearity of ±1% full scale with improved linearity options of ±0.5% FS & ±0.2% FS, the pressure hysteresis is better than ±0.1% full scale. Despite the low pressure range a good stability figure of ±0.5% FS per year is typically achieved. The signal conditioning electronics of the DPS low range diff pressure transducer provide options for a 5 or 10 Volt DC output or a 4-20mA current output in either 3 wire or 2 wire configuration. The supply voltage can be 24Vdc, 230Vac or 115Vac mains providing flexibility for different air control systems. If a local readout of pressure is required an LCD display can be integrated into the DPS differential air pressure sensors enclosure. An auto-zeroing feature for calibration purposes plus relay switch outputs for triggering an alarm are also available options along with the local display. The DPS low differential pressure transmitter provides a solid mechanical design with excellent accuracy performance at a relatively low price point.
Related Products All low range differential pressure sensors Handheld micromanometers Data logging low range air pressures Electronic pressure gauges for measuring low air pressures Sensors and instruments for HVAC applications
Associated Topics What factors degrade the performance of low pessure sensors Liquid compatible sensor for low range differential pressure measurement
Resources inH2O to mmH2O, mbar, psi and mmHg conversion table inH20 unit definition Glossary of terms for pressure sensors Unit converter for pressure
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