肺功能检测仪——All Sensors压力传感器在医疗设备的应用 Pulmonary function testing 肺功能检测 弹性敏感原件是传感器的核心部件，要求弹性原件弹性储能高，通常表示为弹性材料储存变形功而不发生变形的能力。压力传感器具有良好的机械加工和热处理性能，具有较强的抗压强度。受温度影响小等特性，正确选择弹性敏感原件及应变计桥路是提高应变式传感器的重要途径。 1、测量范围光精度高，测力传感器可测0.N的力，精度可达到0.05%FS以上；压力传感器可测0.的压力，精度可达到0.1%FS。 2、性能稳定可靠，使用寿命长，如称重式机械杠杆称，由于杠杆、刀口等部分互相摩擦产生损耗和变形，欲长期保持其精度是相当困难的，采用电阻应变式称重传感器制成的电子泵、汽车衡、轨道衡等，能在恶劣的环境条件下长期稳定工作。 3、频率响应特性极好。压力传感器一般电阻应变计响应时间为0.01MS，半导体应变计可达到0.001MS如能在弹性原件上采取措施则由他们构成的应变式传感器可测几十千赫甚至上百千赫的动态过程。 压力传感器可标定的6个技术指标。 1.零点输出及其热漂移系数 所谓零点输出就是指在某以参考温度和一定电激励（恒流源或恒压源供电）条件下，无外加压力时，压力传感器的输出。零点输出电压有时可以大到比满量程是输出电压还大。这时通过对力敏电阻电桥的某以特定温度是很容易实现的。重要的是指定温度范围的零点输出电压与满量程输出电压之比。如果此比值小于0.8%，则可认为这是相当好的传感器；如果大于4%，则零点输出便是相当大了。因此经温度补偿的压力传感器，零点输出电压通常应小于1~5mV。而相应满量程输出应达到100~150mV. 0.3 PSI-D-CGRADE-MINI 0.25 INCH-D-4V 0.3 PSI-D-4V-MIL 0.3 PSI-D-4V 0.3 PSI-D-4V-PRIME 0.3 PSI-D-PRIME-MV 0.3 PSI-D-CGRADE-MV 0.3 PSI-D-HGRADE-MV 0.3 PSI-D-HGRADE-MINI 0.3 PSI-D-PRIME-MINI 0.3 PSI-G-CGRADE-MINI 0.3 PSI-G-4V 0.3 PSI-G-4V-PRIME 0.3 PSI-G-4V-MIL 0.3 PSI-G-4V-PRIME-REF 0.3 PSI-G-PRIME-MINI 0.3 PSI-GF-CGRADE-MINI 0.3 PSI-GF-PRIME-MINI 0.3 PSI-GF-HGRADE-MINI 0.3 PSI-G-HGRADE-MINI 0.3PSI-D-PRIME-MV 0.3PSI-D-4V 0.3PSI-D-HGRADE-MINI 0.3PSI-D-CGRADE-MV 0.3PSI-D-HGRADE-MV 1 INCH-D1-BASIC 0.3PSI-G-4V 0.3PSI-G-HGRADE-MINI 0.3PSI-GF-HGRADE-MINI 0.5 INCH-G-4V 1 INCH-D-MV 1 INCH-D2-BASIC 1 INCH-D-4V-MIL 1 INCH-D-4V 1 INCH-D-4V-PRIME 1 INCH-G-BASIC 1 INCH-G P4V-MINI 1 INCH-G-4V-MIL 1 INCH-G-4V 1 INCH-G-4V-PRIME 1 PSI-D-4V-MIL 1 MBAR-D-4V 1 MBAR-D-4V-PRIME 1 MBAR-D-4V-MIL 1 PSI-D-4V 1 PSI-D-DO-MIL 1 PSI-D-4V-PRIME 1 PSI-D-CGRADE-MV 1 PSI-D-CGRADE-MINI 1 PSI-D-DO 1 PSI-G-4V 1 PSI-D-HGRADE-MINI 1 PSI-D-PRIME-MINI 1 PSI-D-HGRADE-MV 1 PSI-D-PRIME-MV 1 PSI-GF-CGRADE-MINI 1 PSI-G-4V-MIL 1 PSI-G-4V-PRIME-REF 1 PSI-G-4V-PRIME 1 PSI-G-CGRADE-MINI 10 INCH-D1-4V-MINI 1 PSI-GF-HGRADE-MINI 1 PSI-G-HGRADE-MINI 1 PSI-GF-PRIME-MINI 1 PSI-G-PRIME-MINI 10 INCH-D2-BASIC 10 INCH-D1-BASIC 10 INCH-D1-P4V-MINI 10 INCH-D1-MV-MINI 10 INCH-D2-4V-MINI 10 INCH-D-4V-PRIME 10 INCH-D2-MV-MINI 10 INCH-D-4V 10 INCH-D2-P4V-MINI 10 INCH-D-4V-MIL 10 INCH-D-MV 10 INCH-D-CGRADE-MINI 10 INCH-D-DO-MIL 10 INCH-D-DO 10 INCH-D-HGRADE-MINI 10 INCH-G-4V-PRIME 10 INCH-D-PRIME-MINI 10 INCH-G-4V-MIL 10 INCH-G-4V 10 INCH-G-4V-MINI 10 INCH-GF-PRIME-MINI 10 INCH-G-BASIC 10 INCH-GF-CGRADE-MINI 10 INCH-G-CGRADE-MINI 10 INCH-GF-HGRADE-MINI 100 PSI-A-DO 10 INCH-G-HGRADE-MINI 10 INCH-G-P4V-MINI 10 INCH-G-MV-MINI 10 INCH-G-PRIME-MINI 100 PSI-G-DO 100 PSI-A-DO-MIL 100 PSI-D-HGRADE-MV 100 PSI-D-CGRADE-MV 100 PSI-D-PRIME-MV 10INCH-D2-BASIC 100 PSI-G-DO-MIL 10INCH-D1-BASIC 100PSI-D-4V-ASCX 10INCH-D1-MV-MINI 10INCH-D-MV 10INCH-D2-MV-MINI 10INCH-D-DO 10INCH-D-4V 10INCH-D-HGRADE-MINI 10INCH-G-HGRADE-MINI 10INCH-G-4V 10INCH-G-BASIC 10INCH-G-4V-REF 10INCH-GF-HGRADE-MINI 15 PSI-A-4V-MIL 10INCH-G-MV-MINI 120 CMH2O-D1-P4V-MINI 120 CMH2O-D1-4V-MINI 15 PSI-A-4V 15 PSI-A-DO-MIL 15 PSI-A-4V-PRIME 15 PSI-A-CGRADE-MV 15 PSI-A-CGRADE-MINI 15 PSI-A-DO 15 PSI-A-HGRADE-MV 15 PSI-AF-CGRADE-MINI 15 PSI-AF-PRIME-MINI 15 PSI-AF-HGRADE-MINI 15 PSI-A-HGRADE-MINI 15 PSI-D-4V-PRIME 15 PSI-A-PRIME-MINI 15 PSI-D-4V 15 PSI-A-PRIME-MV 15 PSI-D-4V-MIL 15 PSI-D-HGRADE-MINI 15 PSI-D-CGRADE-MINI 15 PSI-D-DO 15 PSI-D-CGRADE-MV 15 PSI-D-DO-MIL 15 PSI-G-4V-MIL 15 PSI-D-HGRADE-MV 15 PSI-D-PRIME-MV 15 PSI-D-PRIME-MINI 15 PSI-G-4V 15 PSI-GF-HGRADE-MINI 15 PSI-G-4V-PRIME 15 PSI-G-CGRADE-MINI 15 PSI-G-4V-PRIME-REF 15 PSI-GF-CGRADE-MINI 15PSI-A-CGRADE-MV 15 PSI-GF-PRIME-MINI 15 PSI-G-PRIME-MINI 15 PSI-G-HGRADE-MINI 15PSI-A-4V 15PSI-D-4V-ASCX 15PSI-AF-HGRADE-MINI 15PSI-A-HGRADE-MV 15PSI-A-HGRADE-MINI 15PSI-A-PRIME-MV 1INCH-D2-4V-MINI 15PSI-D-CGRADE-MV 15PSI-G-4V 15PSI-D-HGRADE-MV 1INCH-D1-BASIC 1INCH-G-BASIC 1INCH-D2-BASIC 1INCH-D-MV 1INCH-D-4V 1INCH-G-4V 1PSI-D-HGRADE-MINI 1MBAR-D-4V 1PSI-D-4V-ASCX 1PSI-D-4V 1PSI-D-CGRADE-MV 1PSI-G-HGRADE-MINI 1PSI-D-HGRADE-MV 1PSI-G-4V 1PSI-D-PRIME-MV 1PSI-GF-HGRADE-MINI 2 INCH-D2-MV-MINI 2 INCH-D1-4V-MINI 2 INCH-D1-P4V-MINI 2 INCH-D1-MV-MINI 2 INCH-D2-4V-MINI 20 CMH2O-D1-4V-MINI 2 INCH-D2-P4V-MINI 2 INCH-G-MV-MINI 2 INCH-G-4V-MINI 2 INCH-G-P4V-MINI 20 INCH-D1-P4V-MINI 20 CMH2O-D1-P4V-MINI 20 INCH-D1-BASIC 20 INCH-D1-4V-MINI 20 INCH-D1-MV-MINI 20 INCH-D-4V 20 INCH-D2-4V-MINI 20 INCH-D2-MV-MINI 20 INCH-D2-BASIC 20 INCH-D2-P4V-MINI 20 INCH-D-MV 20 INCH-D-4V-MIL 20 INCH-D-DO 20 INCH-D-4V-PRIME 20 INCH-D-DO-MIL 20 INCH-G-4V-REF 20 INCH-G-4V 20 INCH-G-4V-MINI 20 INCH-G-4V-MIL 20 INCH-G-4V-PRIME 20INCH-D1-MV-MINI 20 INCH-G-BASIC 20 INCH-G-P4V-MINI 20 INCH-G-MV-MINI 20INCH-D1-BASIC 20INCH-G-4V 20INCH-D2-BASIC 20INCH-D-4V 20INCH-D2-MV-MINI 20INCH-D-MV 2INCH-G-MV-MINI 20INCH-G-BASIC 2INCH-D1-MV-MINI 20INCH-G-MV-MINI 2INCH-D2-MV-MINI 30 INCH-D2-4V-MINI 30 INCH-D1-4V-MINI 30 INCH-D1-MV-MINI 30 INCH-D1-BASIC 30 INCH-D1-P4V-MINI 30 INCH-D-4V-MIL 30 INCH-D2-BASIC 30 INCH-D2-P4V-MINI 30 INCH-D2-MV-MINI 30 INCH-D-4V 30 INCH-G-4V 30 INCH-D-4V-PRIME 30 INCH-D-DO-MIL 30 INCH-D-DO 30 INCH-D-MV 30 INCH-G-MV-MINI 30 INCH-G-4V-MIL 30 INCH-G-4V-PRIME 30 INCH-G-4V-MINI 30 INCH-G-BASIC 30 PSI-D-CGRADE-MV 30 INCH-G-P4V-MINI 30 PSI-A-DO-MIL 30 PSI-A-DO 30 PSI-D-4V 2.5INCH D1DIP-MV-VHC 0.25 PSI D1DIP-MV-VHC 5PSI-D-CGRADE-MINI

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