小型光學氧微傳感器配件專為各種定制應用而設計。微型探頭的尺寸< 50 μm 至 140 μm，外徑范圍為 140 μm 至 900 μm。微型傳感器未安裝在任何額外的外殼中。裸露的玻璃纖維可以安裝到您自己的外殼、鋼管和微型呼吸計室等上。小外徑甚至允許插入植入式Venflon管中。此外，微型傳感器可以部署在密封容器中，以直接測量氧氣含量。IMP-PSt1 的測量范圍為 0 – 50 % 氧氣，檢測限為 0.05 % O2.

· 高空間分辨率（< 50 μm）

· 高時間分辨率（t90< 3 秒）

· 集成到定制外殼和設置中

· 無需耗氧

· 頂空和液體測量

小型光學氧微傳感器配件

TECHNICAL

Specifications	Gaseous & Dissolved O2	Dissolved O2
after two-point calibration as described in the manual TS: tapered sensor tip with a diameter < 50 μm and no optical isolation **TF: flat-broken sensor tip with a diameter of 140 μm
Measurement range	0 – 50 % O2 0 – 500 hPa	0 – 22.5 mg/L 0 – 700 µmol/L
Limit of detection	0.05 % oxygen	20 ppb
Resolution	± 0.01 % O2 at 0.21 % O2 ± 0.09 % O2 at 20.9 % O2 ±0.1 hPa at 2 hPa ± 1 hPa at 207 hPa	± 0.005 mg/L at 0.09 mg/L ± 0.04 mg/L at 9.06 mg/L ± 0.14 µmol/L at 2.83 µmol/L ± 1.3 µmol/L at 283 µmol/L
Accuracy*	± 0.4 % O2 at 20.9 % O2 ± 0.05 % O2 at 0.2 % O2
Drift	< 0.1 % O2 within 30 days (sampling interval of 1 min.)
Measurement temperature range	from 0 to + 50 °C
Response time TS** (t90)	< 1 sec. (gas)	< 2 sec. (liquid)
Response time TF*** (t90)	< 15 sec. (gas)	< 30 sec. (liquid)
Properties
Compatibility	Aqueous solutions, ethanol, methanol
No cross-sensitivity	pH 1 – 14 CO2, H2S, SO2 Ionic species
Cross-sensitivity	Organic solvents, such as acetone, toluene, chloroform or methylene chloride Chlorine gas
Sterilization procedure	Steam sterilization Ethylene oxide (EtO)
Cleaning procedure	3 % H2O2 Ethanol Soap solution
Calibration	Two-point calibration with oxygen-free environment (nitrogen, sodium sulfite) and air-saturated environment
Storage stability	60 months provided the sensor material is stored in the dark at room temperature