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-mounting needle: 1 piece Pressure range: 0 to 49 PA 准确性:±5%FS(在20°C下) 安装姿势:垂直