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Against Impact Differential Piezoresistive Barometric Pressure Sensor

Categories Barometric Pressure Sensor
Place of Origin: China
Brand Name: OEM
Supply Ability: 20,000 pcs per month
Packaging Details: Stardard Export Packing By carton
MOQ: Negotiable
Price: Negotiable
Usage: PRESSURE SENSOR
Theory: Resistance Sensor
Output: Analog SENSOR
pressure type: M14 differentail pressure
Certificate: CE RoHs
Port: Chengdu/Shanghai
Certification: CE;ISO
Delivery Time: 5-10days
Payment Terms: L/C, T/T, Western Union
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Against Impact Differential Piezoresistive Barometric Pressure Sensor

Against Impact Differential Piezoresistive Barometric Pressure Sensor


Description

The pressure is applied to the front of the silicon measuring element via a thin steel diaphragm and a transmission mediumof silicone oil. This silicon measuring element has a microme-chanically produced membrane structure. It contains implantedpiezoresistive resistors connected in a Wheatstone bridge. Thereference pressure (gases only) is fed via a hose nipple (dia. 3.5) to the rear of the measuring element. When there is a pressuredifference between the front and rear of the measuring element,the bridge is unbalanced and an output signal proportional tothe pressure is generated

The thermal effects are mainly compensated by individually tu- ned resistors built into the sensor. The sensor is ground-isolated.

Applications


One of the main applications of this sensor is to measure static and dynamic pressures. The difference in pressure from thereference pressure is measured. Under normal conditions, thereference pressure will be equal to the ambient pressure. Thesensors are calibrated to detect an overpressure, so should only be used in that area. The fact that the media is separated by a steel diaphragm means that the sensor can be used in most applications. The steel diaphragms and the silicone oil filling have no effect on the dynamic behavior of the sensor. The sensor is used with the amplifier Type 4603B.


Features


  • Microfused under 500°C, good longterm stability
  • 17-4 PH stainless steel, without weld seams, O-rings, and free of leakage risks
  • advanced digital temperature compensation, wide working temperature scope
  • High accuracy, high frequency response, good long-term stability
  • Excellent resistance against impact, overload, shock and erosion
  • Efficient lightning protection and strong anti RFI&EMI protection.
  • adopt to high-pressure overload, max range can reach 6000Bar

Reference pressure

The media to be used for the reference pressure are restricted to dry, non-corroding gases. Due to the length of the pipe, the reference pressure can only be measured as a static pressure. The hose nipple (dia. 3.5) can be removed

Calibration current

The sensor is supplied with a constant current, whose value isdetermined by factory calibration. This calibration current andzero point are shown separately for each sensor in the calibra-tion certificate. These values can be adjusted on amplifier Type4603B. The calibration current and the zero point are definedto give a sensor output signal of 500 mV for a pressure of100 %FS.

Technical Data (at Tref = 25 °C)


Sensor Type4053...4053A14053A24053A54053A10
Rangebarrel0 ... 10 ... 20 ... 50 ... 10
Oerload Overpressure
barrel2,5512,525
Underpressurebarabsto vacuumto vacuumto vacuumto vacuum
Nominal sensitivitymV/bar/mA12562,52512,5
Linearity%FSO<_±0,2<_±0,2<_±0,1<_±0,1
Stability of zero point typ.**%FSO/a<_0,5<_0,5<_0,3<_0,3
Thermal zero point change**%FSO<_±0,7<_±0,7<_±0,5<_±0,5
Natural frequencykHz≈15≈30≈80≈120
Reference pressure rangebarabs0 ... 1,2
Full scale output (FSO)*mV500
Calibration current range IcalmA12 ... 5
Input/output impedancekW≈3
Zero at 0 bar relmV<±20
Stability: sensitivity typ.**%/a<0,3
Thermal sensitivity change**%<±1,5
Compensated temperature range°C–20 ... 50
Minimum/maximum temperature°C–40/70
Tightening torqueN·m12 ... 20
Acceleration sensitivitymbar/g<0,3
Shock resistanceg1 000
Weightg33
PlugFischer Type SE 103A054
*Calibration current as specified in the calibration certificate
** In compensated temperature range


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