System addresses final testing of vehicle-mounted pressure sensors
Up to four sensors can be tested in a small chamber with the temperature controlled by the dual-fluid technology used on Advantest’s test handlers. The HA7200 allows temperature and pressure to be quickly adjusted with high precision, improving the cycle time and accuracy of trimming and inspection processes.
Used in conjunction with Advantest’s EVA100 measurement system to create a sensor test cell, the HA7200 system has been evaluated and accepted by Denso Corporation for use in production testing of pressure sensors used in motor vehicles.
"The growing complexity and cost of building-up the sensor test environment had become a major issue for our company,” said Imai Masato, director of device manufacturing section at Denso. “The excellent concept of Advantest’s sensor test cell, which can be used throughout design evaluation, prototyping and mass production, is expected to contribute to improving our quality assurance and sensor development TAT (turnaround time).”
From lowering fuel consumption, CO2 emissions and improving safety and comfort in cars, sensors are gaining importance in automotive applications. Efficient test solutions are needed to not only ensure sensor reliability and accuracy over a wide temperature range, but also to reduce man-hours and improve the maintainability of equipment. A sensor test cell combining the HA7200 system and the EVA100 tester’s intuitive software and high-speed, high-precision measurement capabilities provides a sensor test environment with versatility and high scalability.
The EVA100 system has a scalable architecture with excellent measurement features and intuitive operation. With all-in-one capabilities suitable for use from design to mass production, the EVA100 contributes to reducing time to market for new devices. With its analog voltage and current source, pattern generator, oscilloscope and other function, this system is equipped with all of the functions necessary for device evaluation in one compact body. The intuitive operating environment eliminates the need for programming language, increasing the efficiency of all evaluation work from design evaluation to mass production.
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