Pressure measurement method: Differential pressure type Measuring gas body: Air and non-corrosive gas Scale display angle: Approximately 270° wide-angle display Ambient operating temperature: -10 to +50°C (but not frozen) Ambient operating humidity: 90% RH or less (but not condensation) Stand-needle: None Pressure range: 0 to 250pa 精度:±2.5%FS(在20°C下) 安装姿势:水平到垂直(可选)