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Amplified Miniature Ultra-Low Pressure Sensors With High Accuracy

Sensortechnics’ new HCLA pressure sensors combine high precision digital signal conditioning with innovative miniature package styles. These sensors are suitable for ultra-low gage or differential pressure measurements from 2.5mbar-75 mbar.

The HCLA series utilises the latest ASIC technologies to offer amplified analogue and digital I2C output signals. Additionally, SPI or switching outputs as well as custom specific outputs are available on request. HCLA sensors use a dual chip compensation technique to achieve a very high offset stability and virtually no position sensitivity in comparison to conventional sensors. A 3V supply voltage (standard 5V) is available as an option and makes the HCLA pressure sensors ideal for portable device applications. A wide range of miniature single inline and SMT housing options allows for space-saving PCB-mounting and maximum OEM design flexibility. Sensortechnics customisation service can provide very fast and flexible mechanical or electronic sensor modifications based on customer specific requirements.

Important features of the new HCLA series are:

• Gage or differential pressure measurement from 2.5mbar-75mbar
• Analogue and digital I2C output signals (optional SPI and switching output)
• Very high offset stability and virtually no position sensitivity
• Optional 3V power supply (standard 5V)
• Miniature single inline and SMT housing options

Typical applications of the new HCLA pressure sensors include medical devices such as ventilators, respirators or anaesthesia machines.