SENSOR PRESSURE DIFF 0-2KPA NPN
差分 压力 0.29PSI（2kPa） 母头 - 1/8"（3.18mm）BSPT，双头 4mA ~ 20mA 带显示模块的盒
得捷: SENSOR PRESSURE DIFF 0-2KPA NPN
Chip1Stop: Pressure Sensor 0kPa to 2kPa Differential 2-Pin
Omron 欧姆龙