Ventilation duct differential pressure sensor, the differential pressure sensor parameter ventilation ducts, ventilation ducts difference ..

DLK301 differential pressure sensor Introduction: pressure sensors, gas pressure sensors, pressure sensors inside and outside the United States imported high-precision, high stability sensor, supporting high-performance amplifier ASIS, through fatigue impact test, high and low temperature aging test cycle and precision digital temperature compensation technology; solid aluminum structure, with good moisture resistance and excellent media compatibility; the tip with a diameter of 8mm oppression stepped tube, easy to use, reliable connection, ensure that the product has a good seal and protection. High-quality sensors, precision amplifier circuit, strict production process, improve the inspection and aging test equipment to ensure superior product quality. The products are widely used in gas pressure measurement, pressure and differential pressure measurement and control system before the chamber pressure control system, indoor and outdoor pressure detection, filter clogging monitoring system of the drying gas. The case of this product should be used for different also known as: pressure sensors, pressure sensor front chamber, the gas pressure sensor, micro-pressure sensors, indoor and outdoor pressure sensors, pressure sensors, filter pressure monitoring sensors. Product Description gas pressure sensor, indoor and outdoor pressure sensor, micro-pressure sensors, DLK301 1, Product Overview and Features: A, imported silicon differential pressure sensing chip; B, advanced to the patch process, with zero and full span compensation, temperature compensation; C, high accuracy and stability of the amplification circuit with moisture, condensation, seepage, lightning function; D, the minimum pressure range of up to 100Pa (equivalent to household power grid wind fan blowing out ); E, the output signal of diversification (4-20MA, 0-5V, 0-10V); F, low cost, suitable for mass production; 2, the product application: A, duct pressure measurement; B, fan pressure measurement; C, textile pressure measurement; D, front room, stairwell pressure measurement and control; F, boiler air supply, underground ventilation, indoor ventilation pressure measurement; 3, product main parameters: Measured medium: gas (weak corrosive and dry) Pressure type: pressure, gauge pressure ranges: -100KPa ~ 3KPa ~ 100Pa ~ 0 ~ 100Pa ~ 3Kpa ~ 100Kpa or negative pressure (a small amount of range of 100Pa, large range of 100KPa) pressure: triple range value (usually single-ended maximum pressure) Output: Analog output: 4 ~ 20mA (two-wire), 0 ~ 5VDC, 0 ~ 10VDC, 0.5 ~ 4.5VDC (three-wire) Overall accuracy: ± 0.5% FS, ± 1 % FS power supply: 24V Dc (15 ~ 36VDC), 24V Dc (9 ~ 30VDC) Insulation resistance: ≥1000 MΩ / 100VDC Load Resistance: Current Output: maximum 800Ω Voltage output: more than 50KΩ medium temperature: -20 ~ 85 ℃ Ambient temperature: -20 ~ 85 ℃ Storage Temperature: -40 ~ 90 ℃ Zero drift: ≤ ± 0.02% FS ℃ span drift: ≤ ± 0.02% FS ℃ Compensation temperature: 0 ~ 70 ℃ Relative Humidity: 0 ~ 95% RH sealing rating: IP65 Overload: 150% FS Response time: 5mS (rising to 90% FS) Stability: ≤ ± 0.15% FS / Year Vibration: ≤ ± 0.15% FS / year (mechanical vibration frequency 20Hz ~ 1000Hz) Electrical connection: Direct wire output; standard wiring 3 m Pressure connection: M10X1 rod end Φ8 tower pneumatic joints connecting thread Material: Aluminum 4, the pressure sensor product structure: