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CPAP pressure sensors improve patient sleep

Superior Sensor Technology’s CP Series CPAP pressure sensors enable PAP devices to more efficiently synchronize to a patient’s varying breathing patterns.

Superior Sensor Technology has added two new CP Series pressure sensors for positive airway pressure (PAP) devices used in sleep apnea, COPD, asthma and home ventilator applications. Based on the company’s highly integrated CP Series dual pressure sensor architecture, the new CP202 and CP302 provide closed loop control and an overpressure indicator that enable manufacturers to upgrade their PAP devices for a better patient experience.

Superior Sensor Technology's CP202 and CP302 CPAP pressure sensors.

(Source: Superior Sensor Technology)

The integrated closed loop control can typically reduce the pressure response time by 50%, enabling the PAP device to more efficiently synchronize to the patient’s varying breathing patterns to reduce sleeping disturbances, according to the company. The overpressure indicator simplifies manufacturing by eliminating the need for an external indicator.

The CP series is touted as the industry’s first integrated dual pressure sensor module that incorporates a gauge pressure sensor and a differential pressure sensor in a very small package with dedicated ports for each sensor.  As a result, the integrated pressure sensors are easier and more cost effective for manufacturers to design continuous PAP (CPAP), bi-Level PAP (BiPAP) and automatic PAP (APAP) devices.

The CP series sensor modules are based on the company’s proprietary system-in-a-sensor NimbleSense architecture that delivers high performance and application-specific system features. The CS series supports four programmable pressure ranges for each embedded sensor. The differential pressure sensor can be programmed from ±250 Pa to ±2.5k Pa and the gauge pressure sensor is programmable from ±2k Pa to ±6k Pa.

The CP202 and CP302 are pin compatible with the existing CP201 and CP301 sensors. The CP202 is a shared 3-port solution and the CP303 is a dedicated 4-port solution. Both sensors offer a 2-ms response time and high accuracy within 0.05% of the selected range.

The new CP Series sensors and development platform are available directly through Superior Sensor Technology.

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