Indicators
Oxygen Indicator
Tablet and liquid oxygen indicators for package-condition monitoring within a defined quality workflow.
Key Features
- Tablet and liquid formats are shown separately
- Liquid Green-to-Yellow irreversible and Tablet Type P Purple/Pink reversible types remain separately documented
- Inspection workflow confirmed before use
Datasheet package: product specification, application notes, quality documents, and sample testing workflow can be prepared for qualified buyers.
Product Media
Reviewed product and packaging visuals supplied for this product or product family.
Oxygen Indicator
Oxygen Indicator
Specifications
| Product Category | Gas-Specific Monitoring — Oxygen Indicator |
|---|---|
| Standard Model | Standard Visual Indicator — Pink below 0.1% O2 / Blue above 0.5% O2; reversibility is not stated in the supplied standard-model material |
| Standard Threshold | Pink below 0.1% O2 / Blue above 0.5% O2 |
| Liquid Model | Green → Yellow — irreversible |
| Tablet Type (P) | Purple ↔ Pink — reversible |
| Form Factor / Format | Tablet (solid sheet) / Liquid indicator |
| Operating Temperature | 5 °C – 121 °C |
| Brand Series | MedShield™ |
Oxygen Indicator Formats: Tablet and Liquid
The tablet (solid sheet) and liquid formats are visually distinct and support different inspection workflows: one-way final-state verification or reversible real-time monitoring.
| Type | Color Change | Reaction | Format / Size | Shelf Life | Typical Use |
|---|---|---|---|---|---|
| Liquid Type B | Green → Yellow | Irreversible (one-way, tamper-evident) | Liquid indicator | 3 years | Final-state verification; withstands 121 °C heat sterilization |
| Standard Visual Indicator | Pink (O2 < 0.1%) / Blue (O2 > 0.5%) | Reversibility is not stated in the supplied standard-model material | Tablet (solid sheet) | Use the selected model color guide | General sealed-package condition monitoring |
| Tablet Type (P) | Purple (O2 < 0.1%) ↔ Pink (O2 > 0.5%) | Reversible (real-time monitoring) | Tablet · 30 × 25 mm | 18 months | Continuous monitoring during storage and distribution |
Physical Formats at a Glance
Tablet and liquid indicators are different product forms. Select the format, target range, and color interpretation together during package validation.
Tablet / Solid Sheet
Standard model or reversible Tablet Type P
Liquid Indicator
Green → Yellow · irreversible final-state signal
Selection Guide
Tailored to Your Packaging, Beyond the Standard Catalog.
Tianhua product selection starts with your product’s oxygen & moisture sensitivity, packaging structure, target shelf life, and packaging line compatibility.
Define the target oxygen condition and inspection stage before selecting an indicator.
Confirm response interpretation with representative packs and the intended operators.
Application Scenarios
Final dosage, material, and format should be confirmed through sample testing and product specification review.
Sealed food packaging
Pharmaceutical packaging
Package quality inspection
Technical Resources
Technical & Compliance Documents
Review the supplied company, application, or product-family evidence mapped to this page, or request the current product-specific technical file for your selected configuration.
R&D evidence
Patent Record Portfolio
Review the supplied preservation, indicator, and packaging-machine patent records and evidence previews.
Review patent evidenceQuality evidence
Quality & Certifications
Review the supplied ISO 9001, BRCGS, FDA, DMF, SGS, and MSDS document groups.
Review quality evidenceProduct-specific file
Request the Current Technical File
Ask Tianhua for the current product specification, application notes, quality documents, and validation records for your selected configuration.
Request technical fileValidation Workflow
From Sample Request to Launch Approval
Step 1
Target-condition review
Evaluate oxygen/moisture sensitivity and packaging structure with actual product samples to determine initial sizing — sizes from 50 cc to 1000 cc are all available.
Step 2
Representative pack trial
Test performance under real transport, temperature, and humidity conditions to ensure packaging integrity.
Step 3
Inspection workflow approval
Validate final product appearance, film quality, and shelf-life compliance before full scale-up.
Related Products
More Indicators
Compare nearby absorber, indicator, desiccant, or support options before requesting samples.
CO2 Indicator
Tablet and liquid CO2 indicators for visual package-condition monitoring.
View Details