Inertial Aerosystems have introduced a new range of low cost, board based, Digital Integrated Pressure Transducers manufactured by U.S. based Honeywell. Designated the the IPT range, they are designed to provide high accuracy pressure data in an industry standard SPI digital format. At the centre of these IPT's is a proven Honeywell silicon piezorestive pressure sensor with pressure and temperature sensitive elements. These units offer the OEM or Systems Integrator an economic building block in the design of high precision measurement systems.
When applying the applying the coefficients stored in the on board EEPROM to the normalised IPT pressure output (24 bit) and temperature output (16 bit) yields highly accurate and stable pressure readings over the-40 to 85 degrees C compensated temperature range.
Stored correction coefficients in EEPROM are ready to use and no additional pressure and temperature calibration is necessary.
This versatile range comprises of 18 variants from 1 PSIG / PSID to 50 PSIA in absolute, gauge and differential pressure ranges. They have 0.04% absolute pressure accuracy and + or-0.10% gauge/differential pressure accuracy over the compensated -40 to 85 degrees C.
Ideal for where space and weight is at a premium they can easily be integrated into a wide variety of applications that require high performance in a small package. Weighing less than 10 grams they measure approximately 1.4 x 19 x 25mm, with low power consumption. Full operational control is provided via the digital I/O port.
There are many applications in this innovative range including Flow and Pressure calibration, Air Data Computers, Engine Test, and Instrumentation
[Nov 2008]
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