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  85 (5 PSI) Pressure Sensor

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The Model 85 is a micromachined piezoresistive silicon pressure sensor. It is designed for OEM applications where compatibility with corrosive media must be maintained. The sensor chip is mounted on a TO style header, which is resistance welded to a 316 stainless steel package. A 316 stainless steel convoluted isolation diaphragm is welded to the package, sealing a small volume of silicone oil between the diaphragm and the sensor chip. The ISO pressure housing utilizes the oil column to couple the piezoresistive sensor to the isolation diaphragm. A thick film ceramic compensation board with laser trimmed resistors, and an additional gain set resistor to normalize pressure sensitivity are an integral part of the sensor package. A variety of threaded process fittings are available. Fittings include standards like 1/4 and 1/8 NPT, 1/4 BSP as well as custom process fittings. Electrical options include cable and connector.

• 316L SS
• High Performance, Small Profile
• 0-100 mV Output
• Absolute and Gage Low Pressure
• Temperature Compensated
• Weldable and Optional Process Fittings
• 0ºC to +50ºC Compensated Temperature Range
• ±0.2% Pressure Non-linearity
• ±1.0% Interchangeable Span (provided by gain set resistor)
• Solid State Reliability
• Low Power

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