简介
测量空气和无腐蚀性气体的压差，用于暖通空调系统中对于精度和质量要求较高的场合
应用范围
· 测量通风和空调
管道的微压差
· 气流监测
· 监测滤网和控制
风机· 实验室、生产区域和
洁净室压力监控
· 测量 VAV 系统送排风侧变风量
典型应用：
① 测量
风管相对于周边环境的高压或低压状况
② 测量不同房间的压差
③ 获取VAV中送回风的变风量值
④ 监测
过滤器并控制风机
特点
· 高精度测量
· 可调特性曲线（线性或平方根）
· 工作电压: QBM3020-..: AC 24 V / DC 13.5…33 V
QBM3120-..: DC 8...33V
· 输出信号: QBM3020-..: DC 0...10 V
QBM3120-..: 4…20 mA
· 零点可校准
· 外壳集成支架，可简单快速安装
· 长期稳定性，免维护
· 带校准和温度补偿的测量信号
· 供货时提供
塑料管· 非常短的响应时间
· 实际测量值显示*
型号概览
型号 压力测量范围
标准 终值可设定 输出信号
QBM3020-1U -50...+50Pa ±(30..50)Pa 0..10V DC
QBM3020-1 0...100Pa 50...100Pa 0..10V DC
QBM3020-3 0...300Pa 100...300Pa 0..10V DC
QBM3020-5 0...500Pa 300...500Pa 0..10V DC
QBM3020-10 0...1000Pa 500...1000Pa 0..10V DC
QBM3020-25 0...2500Pa 1600...2500Pa 0..10V DC
QBM3020-1D 0...100Pa 50...100Pa 0..10V DC
QBM3020-3D 0...300Pa 100...300Pa 0..10V DC
QBM3020-5D 0...500Pa 300...500Pa 0..10V DC
QBM3020-10D 0...1000Pa 500...1000Pa 0..10V DC
QBM3020-25D 0...2500Pa 1600...2500Pa 0..10V DC
QBM3120-1U -50...+50Pa ±(30..50)Pa 4...20mA
QBM3120-1 0...100Pa 50...100Pa 4...20mA
QBM3120-3 0...300Pa 100...300Pa 4...20mA
QBM3120-5 0...500Pa 300...500Pa 4...20mA
QBM3120-10 0...1000Pa 500...1000Pa 4...20mA
QBM3120-25 0...2500Pa 1600...2500Pa 4...20mA
QBM3120-1D 0...100Pa 50...100Pa 4...20mA
QBM3120-3D 0...300Pa 100...300Pa 4...20mA
QBM3120-5D 0...500Pa 300...500Pa 4...20mA
QBM3120-10D 0...1000Pa 500...1000Pa 4...20mA
QBM3120-25D 0...2500Pa 1600...2500Pa 4...20mA
