高分辨率测量低氧浓度,在环境空气中简单、高效、低成本地校准传感器。无校准气体。在有高CO2分压的环境下也能保持高信号稳定性。材料符合FDA要求,具有极光滑的抛光表面。模块式设计简化了维护工作。可灭菌、可加压加热、CIP兼容。也适用于危险区域。
在灭菌和卫生条件下也能可靠地测量微量氧;信号稳定,结实耐用。
高分辨率测量低氧浓度,在环境空气中简单、高效、低成本地校准传感器。无校准气体。在有高CO2分压的环境下也能保持高信号稳定性。材料符合FDA要求,具有极光滑的抛光表面。模块式设计简化了维护工作。可灭菌、可加压加热、CIP兼容。也适用于危险区域。
应用
饮料罐装(如牛奶、啤酒)。锅炉给水中的测量(检测限值1 ppb)
技术参数
Range | pO 2 < 1200 mbar |
Detection limit | 1 ppb (3 ppb in liquids containing CO 2 ) |
Accuracy | 1 % + 1 ppb (1 % + 3 ppb in liquids containing CO 2 ) |
Response time at 25 °C (air –> N 2 ) | 98 % full scale < 90 s |
Signal in ambient air | 290 … 500 nA |
Residual signal |
in O 2 -free medium: ≤ 0.01 % of signal in ambient air in CO 2 : ≤ 0.03 % of signal in ambient air |
Flow dependence | ≤ 5 % |
Perm. pressure range (measurement) | 0.2 … 6 bar absolute |
Mechanical pressure resistance | max. 12 bar absolute |
Perm. temp range (measurement) | 0 … 80 °C |
Temp range (stability) | –5 … +121 °C (steam sterilizable/autoclavable) |
O-ring material | silicone (FDA&USP Class VI tested) |
Membrane material | PTFE/silicone/PTFE, FDA comp. (reinforced w. steel mesh) |
Process-wetted sensor parts | 1.4404 stainless steel (material certificate 3.1B) |
Surface roughness | N 5 (RA < 0.4 µm) |
Temperature detector | NTC 22 kohms |
Interior body incl. sensing electrodes | replaceable (ZU 0568) |
Sensor cap | VP (VarioPin) |
ATEX Certificate | II 1/2 GD Ex ia IIC T6 / T5 / T4 / T3 |
Certificates | 3A, 3.1B (EN 10204/3.1.B) |