Differential Pressure Sensor board.
The MPXV7002 series piezoresistive transducer in the small outline package (SOP) is a state-of-the-art monolithic silicon pressure sensor designed for a wide range of applications, but particularly those employing a microcontroller or microprocessor with A/D inputs. This patented, single element transducer combines advanced micromachining techniques, thin-film metallization, and bipolar processing to provide an accurate, high level analog output signal that is proportional to the applied pressure.
The MPXV7002 is designed to measure positive and negative pressure. In addition, with an offset specifically at 2.5V instead of the conventional 0V, this new series allows to measure pressure up to 7kPa through each port for pressure sensing but also for vacuum sensing (refer to the transfer function in the data sheet for more detailed information).
Features:
- -2 to 2 kPa (-0.3 to 0.3 psi).
- 0.5 to 4.5 V Output
Weight: 0.1 oz; 4 g
Please see it to know more:http://code.google.com/p/ardupilot-mega/wiki/Airspeed
Packing Content:
1PCS*Differential Pressure Sensor board.
1PCS*Free cables.
The chip surface coating protection against water vapor, dust and other chip;
Pressure connection stainless steel, pressure;
Pin-defined, easy connection;
A variety of range to choose from.
Industry: pressure switches and controls, air brake switch, cable leak detection, portable pressure gauge.
Medical: patient monitoring and diagnostic equipment, blood pressure monitors.
Research: aerodynamics miniature absolute pressure sensor.
Range: 150kpa (absolute pressure) pressure range from vacuum (absolute 0 pressure) above atmospheric pressure 50kpa
Remarks: 15psi are range. Vacuum (-100kPa), that can be measured can also be used to measure positive (positive and negative pressure detection) can also be used for the compositescale.
Output: mV signal
Electricity supply: 5VDC or constant current 1Ma of
Linear accuracy: 0.25% FS
Low cost, small size
Standard pressure range :0-15 ,0-30 ,0-50 ,0-100Psia
Nonlinear <0.20% FSO
Piezoresistive sensing technology, the silicon / silicon-bonded chips, good stability
Electrical performance (22 ° C)
Environmental conditions
Temperature Range
Operating temperature -40 to 125 ° C
Storage temperature -55 to 150 ° C
Maximum overvoltage 6X
Usually pressure 2X
Compatible medium gas
Zero output ± 8 mV / v / ± 10 mV / v
Full scale output 65-115 mV / 75-125 mV / 170-280 mV
Linearity of ± 0.20% FSO / ± 0.25% FSO
Hysteresis and repeatability of ± 0.10% FSO
Zero temperature coefficient of ± 30 μv / v / ° C
Resistance temperature coefficient of 0.30% / ° C
Sensitivity temperature coefficient of -0.20% FSO / ° C
Zero Thermal Hysteresis ± 0.10% FSO
Long-term stability of ± 0.20% FSO
2,100 KPA pressure range
3,4295 psi pressure range
4, straight-line output
5, in the 0-70 ° C, the temperature coefficient of typical values.
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