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Download Fast Surface Mount Pressure Sensor Assembly
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Fast Surface Mount Pressure Sensor Assembly: model SMA1 • • • • • Encapsulated absolute pressure die Miniature packaging size High measurement bandwidth Slim flexible printed circuit Air, Water & Steam compatible The SMA1 sensor assembly offers the smallest packaged sensor assembly yet achieved in the market, opening new fields of application for blade surface dynamic pressure measurements. Thanks to its miniature size the sensor assembly is typically prone for high density packaging applications under high rotational speed. The sensor assemblies consist of an absolute pressure die mounted onto an stainless steel housing. The housing can be easily mounted onto the blade surface with standard epoxy glue. The sensor are RTV coated and can be applied in air, water or steam flows. The sensors can be either operated in a constant current or constant voltage mode, and can be interfaced on any standard signal conditioning and monitoring systems. The sensors are delivered fully calibrated with integrated temperature compensation, if requested. Specifications: − − − − − Absolute pressure range: 0.015 to 2 bar Proof / Burst pressure: 3.6 / 6 bar Temperature range: up to 120°C Sensitivity: 3.2 mV/bar (unamplified) Measurement bandwidth: +3dB @ 210kHz − − − − Bridge resistance @ 25°C: 3.2kΩ Temperature compensation range: 10°-120°C Maximum steady acceleration: 90’000g. Pressure sensitive area: 0.057mm x 0.55mm Geometrical Data: Options: − The sensors can be ordered with LSc’s wireless data acquisition system (please refer to: wireless multi-sensor measurement system product). The sensors will be delivered calibrated with the on-board electronics, and a set of polynomial calibration coefficient will be provided to be used with LSc’s monitoring software. − The sensors can be ordered with integrated temperature compensation − The sensors assemblies can be delivered with a perforated cover on to of the sensor membrane for operation in harsh environment Limmat Scientific AG Industriestrasse 7 CH-6300 Zug contact email: [email protected] website: www.limmatscientific.ch
