MH-F13 O₂/ DO Gas Analyzer
Principle: Oxygen molecules quench the fluorescence signal emitted by a specialized sensor spot. The degree of signal attenuation is directly proportional to the oxygen concentration.
Methods:
1) Invasive: A needle containing the sensor spot pierces the package.
2) Non-Invasive: A fluorescent patch is placed inside a sampling dome, which collects gas from the package.
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Application
Invasive Needle Method
For vials, infusion bottles, IV Bags, etc.
Non-Invasive Dome Method
For ampoules and other packages unsuitable for puncture.
Features
01
Suitable for containers with headspace ≥0.1mL, including those under negative pressure.
02
Capable of simultaneous headspace and dissolved oxygen measurement.
03
Fine-gauge sampling needle allows for easy puncture and is reusable, lowering consumable costs.
04
Maintenance-free sensor requires no frequent replacement.
05
Intuitive touchscreen interface.
06
Unlimited data storage with export/print to PDF or Word.
07
Software includes database storage, access control, audit trail, and electronic signature functions.
Technical Specifications
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Measurement Range |
Headspace O₂: 0-100% (Full-range sensor) |
Dissolved O₂: 0-44 mg/L (Full-range sensor) |
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0-21% (Trace O₂ sensor) |
0-9 mg/L (Trace O₂ sensor) |
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Operating Environment |
0–50°C, ≤85% RH, non-condensing. |
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Accuracy (2-Point Cal.) |
Headspace: ±0.2% abs at 20.9%; ±0.02% abs at 1%; ±(2% of reading or 0.01% abs) for trace sensor. |
Dissolved: ±0.01 mg/L at 0.44 mg/L; ±0.1 mg/L at 8.8 mg/L. |
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Control |
Industrial PC |
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Power Supply |
100-240 VAC, 50/60 Hz |
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Interface |
USB |
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More Information
Can one instrument test different package sizes?
Yes. Different package sizes and shapes can be tested by changing the test chamber, fixture or sample holder.
Can the system test pharmaceutical vials?
Yes. Vacuum decay testing can be configured for vials containing powder, lyophilized products or medicinal liquids. A package-specific chamber is normally required.
Which mode should be used for flexible packaging?
Pressure decay is generally more suitable for flexible packages that may deform significantly when exposed to vacuum. The final method should be confirmed through package evaluation and feasibility testing.
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