Table 1.

Specifications of pressure sensor (XGZP2004, CFSensor Co., Ltd., Wuhu, China).

Specifications	Value
Size	2.0 × 2.0 × 0.4 mm
Range	0–40 kPa, (0–300 mmHg)
Full scale output	50–90 mV
Repeatability	±0.2% full scale
Non-linearity	±0.3% full scale
Hysteresis	±0.2% full scale
Ambient temperature	−40–125 °C