YELLOW 138L Disposable Temperature Indicator

YELLOW 138L Disposable Temperature Indicator
LIOU Manufacturing & PopNReady YELLOW 138L is a long-size disposable temperature indicator designed for professional food applications requiring a reliable 138°F activation temperature point.

Manufactured directly by LIOU Manufacturing since 2006, this single-use food temperature indicator is produced for international B2B customers including food processors, poultry companies, meat manufacturers, distributors, and private label brands.
The YELLOW 138L model combines stable temperature activation performance with a longer-size design, providing customers with additional flexibility for food packaging, cooking, and processing applications.
Product Specifications
| Model | YELLOW 138L |
| Product Type | Disposable Temperature Indicator / Single Use Food Temperature Indicator |
| Size | Large (L), approximately 1-1/2" in length |
| Button Head Color | Yellow |
| Activation Temperature | 138°F |
| Activation Accuracy | ±2°F under controlled manufacturing conditions |
| Materials | Food-grade PA66 nylon housing and core, metal spring, food-extracted temperature sensing wax, BPA-free construction |
| Usage Type | Single-use disposable temperature indication device |
| Production Type | Bulk OEM manufacturing and customized B2B supply |
YELLOW 138L Application Solutions
YELLOW 138L is designed for food manufacturers requiring a 138°F activation temperature indicator with a larger physical format.
The long-size configuration provides enhanced visibility and handling convenience for certain food production and packaging environments.
Typical applications include:
- Food processing production lines
- Commercial cooking applications
- Prepared meal manufacturing
- Food packaging integration
- OEM food products
Direct Factory Source For Disposable Temperature Indicators
LIOU Manufacturing & PopNReady specializes in disposable pop-up timers and temperature indicators. Since 2006, we have focused on one product category and provided direct manufacturing support for global customers.
Our factory-controlled production enables customers to receive stable specifications, consistent quality, and flexible OEM solutions without unnecessary middlemen.
- Direct Manufacturer
- Factory-controlled production
- 100% export-oriented supply
- Professional OEM experience
- Bulk production capability
Product Material & Safety Features
YELLOW 138L is manufactured with materials selected for professional food industry applications.
- Food-grade PA66 nylon housing and core
- BPA-free design
- Food-extracted sensing wax material
- Metal spring construction
- Stable activation performance
These material choices support reliable use in food processing environments while maintaining consistent product performance.
OEM Customization Capability
LIOU Manufacturing supports customers who require customized disposable temperature indicator solutions.
Available customization options include:
- Custom activation temperature
- Custom product colors
- Logo injection on button head
- Custom blister card packaging
- Private label solutions
Our engineering and production teams work directly with customers to develop suitable solutions for different markets and applications.
Frequently Asked Questions
1. What is the activation temperature of YELLOW 138L?
YELLOW 138L activates at 138°F.
2. What is the difference between YELLOW 138S and 138L?
The difference is the physical size. The S version is smaller, while the L version provides a longer-size format.
3. Is YELLOW 138L a reusable product?
No. It is designed as a single-use disposable temperature indicator.
4. Can YELLOW 138L be supplied for bulk orders?
Yes. Bulk OEM production is the main supply method for international customers.
5. Can you customize the activation temperature?
Yes. Custom temperature requirements can be discussed for OEM projects.
6. Can you customize packaging?
Yes. We provide blister card, bag, display box, and private label packaging solutions.
7. What industries use this model?
It is suitable for food processing, poultry, meat, prepared meals, and food packaging applications.
8. Are you the factory producing this product?
Yes. LIOU Manufacturing is a direct factory source specializing in disposable temperature indicators since 2006.
Product Disclaimer
DISCLAIMER: YELLOW 138L is a standard disposable temperature indicator model independently manufactured by LIOU Manufacturing & PopNReady. Terms including "temperature indicator", "food temperature indicator", and "single use temperature indicator" are generic industry descriptions. LIOU Manufacturing is an independent direct manufacturer and is not affiliated with unrelated third-party brands. All specifications are provided for product identification, application reference, and OEM communication purposes.
