YELLOW 138L Disposable Temperature Indicator
YELLOW 138L Disposable Temperature Indicator
YELLOW 138L is a large-size disposable temperature indicator manufactured by LIOU Manufacturing & PopNReady for professional meat processing and food production applications requiring a 138°F (59°C) activation point. Designed for larger food products, this model provides clear visual temperature indication and reliable performance in high-volume cooking environments.
As a specialized disposable temperature indicator manufacturer since 2006, LIOU Manufacturing supplies YELLOW 138L directly to international B2B customers, including meat processors, food manufacturers, OEM partners, distributors, and food service companies.
YELLOW 138L Product Overview
The YELLOW 138L disposable temperature indicator automatically activates when the internal product temperature reaches approximately 138°F. The visible indicator movement allows operators to quickly confirm cooking completion without electronic equipment, batteries, or manual temperature measurement.
The Large (L) size design provides extended length compared with the Small version, making it suitable for larger roast products and professional food processing environments where stable positioning and clear visibility are required.
Technical Specifications
| Model Number | YELLOW 138L |
| Size | Large (L) - 1-7/8 inches (47.6 mm) in length |
| Button Head Color | Yellow |
| Activation Temperature | 138°F (59°C) |
| Activation Accuracy | ±2°F (±1°C) |
| Housing Material | Food-grade PA66 Nylon |
| Core Material | Food-grade PA66 Nylon |
| Spring Type | Metal Spring Construction |
| Temperature Sensing Medium | Food-derived Wax Core |
| BPA Status | BPA-Free |
| Heavy Metal Content | None |
Recommended Applications
- Medium roast beef products
- Large beef cuts
- Meat processing plants
- Industrial roasting lines
- Central kitchen production
- Ready meal factories
- Food service production
- OEM prepared food manufacturing
Large Format Temperature Indicator For Meat Production
YELLOW 138L is designed for food manufacturers requiring a larger disposable temperature indicator format while maintaining consistent activation performance.
The 138°F activation temperature makes this model suitable for medium roast applications where manufacturers need reliable temperature confirmation during commercial cooking operations.
The disposable design helps simplify production workflows by providing a ready-to-use temperature indication solution without calibration, batteries, or equipment maintenance.
Direct Factory OEM Capability
LIOU Manufacturing provides complete OEM manufacturing support for customers requiring customized disposable temperature indicator solutions.
- Custom activation temperature development
- Custom button head color selection
- Logo injection molding
- OEM bulk manufacturing
- Private label production
- Customized packaging
- Retail blister packaging
- Transparent bag packaging
- Display box solutions
Material Safety & Quality Standards
YELLOW 138L is manufactured using food-grade materials and controlled production processes designed for international food industry applications.
- Food-grade PA66 Nylon housing
- Food-grade PA66 Nylon core components
- Food-derived wax sensing material
- BPA-Free product design
- No heavy metal materials
- Approximate ±2°F activation accuracy
- FDA compliance support
- EU food contact compliance support
- BRC-related quality standards
Bulk OEM Supply & Packaging Options
YELLOW 138L is mainly supplied as bulk OEM products for international customers requiring stable factory production and competitive direct-source supply.
For customers selling under their own brands, LIOU Manufacturing also provides customized packaging solutions.
- Bulk export cartons
- OEM bags
- Private label packaging
- Blister card packaging
- Display box packaging
Frequently Asked Questions
1. What is YELLOW 138L?
YELLOW 138L is a large-size disposable temperature indicator with a 138°F activation temperature for meat and food processing applications.
2. What is the difference between YELLOW 138S and YELLOW 138L?
The main difference is size. YELLOW 138S is Small size at 1-1/8 inches, while YELLOW 138L is Large size at 1-7/8 inches.
3. What products can use YELLOW 138L?
It is suitable for roast beef, large meat products, ready meals, and industrial food processing.
4. What is the activation temperature?
The activation temperature is 138°F (59°C).
5. What accuracy can customers expect?
The activation accuracy is approximately ±2°F.
6. Can you manufacture customized versions?
Yes. Temperature, color, logo, and packaging customization are available.
7. Is this product suitable for export markets?
Yes. Our products are 100% exported to international B2B customers.
8. Do you support bulk purchasing?
Yes. Bulk OEM supply is our primary manufacturing service.
9. Can you provide samples?
Yes. Samples can be provided for evaluation before mass production.
DISCLAIMER
"Disposable Temperature Indicator" is a generic industry term used to describe single-use temperature indicating products for cooking and food processing applications. LIOU Manufacturing & PopNReady is an independent Chinese direct-source manufacturer specializing in disposable temperature indicators since 2006. We are not affiliated with any third-party brands. All product descriptions, technical information, and application references are provided for identification, technical communication, and B2B purchasing purposes only.