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SPH19S Pressure sensor

Brief introduction

SPH19S is the piezoresistive pressure sensor with isolated construction and precise compensation. It uses high stable monosilicon sensor die. Stainless steel 316L housing with diameter Ф19mm. Wider temperature compensation and zero correction are calibrated by laser trimming technics. The measured
pressure is transmitted onto silicon die through 316L diaphragm and inner sealed silicon oil, to transform the pressure to electric signal.The sensor die doesn't contact the measuring medium directly, which forms to isolated structure, suitable for various liquid medium.


High stability monosilicon sensor die

Voltage excitation

Isolated structure, suitable various fliud

All in 316L stainless steel

Hastelloy C, Tantalum diaphragm material optional

φ19mm diameter


Pressure range: 0~40 kPa...60MPa

Power supply: 5-12VDC

Electrical connection:φ0.5mm kovar pin or 100mm silicone rubber soft wire

Common mode voltage output:50% of input(typical)

Bridge resistance: 6kΩ

Respond time(10%-90% ): < 1ms

Insulation resistance: 500MΩ/500VDC

Industry application

Industrial process control

Gas, liquid pressure measure

Liquid pressure system and switch

Refrigeration equipment and air conditioner

Aviation and navigation inspection


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