YELLOW 138S Disposable Temperature Indicator
YELLOW 138S Disposable Temperature Indicator
LIOU Manufacturing & PopNReady YELLOW 138S is a compact disposable temperature indicator designed for food applications requiring reliable visual temperature indication at a 138°F activation point.
Manufactured by our direct factory source since 2006, this single-use food temperature indicator is supplied to global B2B customers including poultry processors, meat manufacturers, food companies, distributors, and OEM brands.
With consistent dimensions, food-grade materials, and controlled activation performance, YELLOW 138S provides a practical temperature indication solution for professional cooking and food processing environments.
Product Specifications
| Model | YELLOW 138S |
| Product Type | Disposable Temperature Indicator / Single Use Food Temperature Indicator |
| Size | Small (S), approximately 1-1/8" 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 |
| Supply Model | Bulk OEM manufacturing and customized B2B supply |
YELLOW 138S Temperature Indicator Applications
YELLOW 138S is designed for food industry applications where a 138°F temperature indication point is required.
The compact S-size format makes this model suitable for products and applications where space efficiency and easy installation are important.
- Food processing applications
- Prepared food manufacturing
- Commercial cooking operations
- Food packaging solutions
- OEM food products
Reliable Disposable Temperature Indicator Manufacturing
LIOU Manufacturing specializes exclusively in disposable pop-up timers and temperature indicators.
Since 2006, we have focused on developing stable manufacturing processes for international B2B customers who require reliable quality, consistent specifications, and direct factory communication.
- Direct Manufacturer and Factory Source
- 18+ years specialized production experience
- 100% export-oriented manufacturing
- Bulk order capability
- OEM customization support
Material & Safety Features
YELLOW 138S is manufactured using carefully selected materials suitable for food industry applications.
- Food-grade PA66 nylon housing and core
- BPA-free construction
- Food-extracted temperature sensing wax
- No heavy metals or soft metal materials
- Stable performance during storage and transportation
OEM Customization Options
For customers requiring customized disposable temperature indicators, LIOU Manufacturing provides flexible OEM solutions.
- Custom activation temperature
- Custom button head color
- Logo injection on button head
- Custom blister card packaging
- Private label packaging
Our factory supports customers from initial product requirements through mass production and export delivery.
Frequently Asked Questions
1. What temperature does YELLOW 138S activate at?
YELLOW 138S activates at 138°F.
2. Is YELLOW 138S a thermometer?
It is a disposable temperature indicator designed to provide visual temperature indication rather than continuous temperature measurement.
3. What is the size of YELLOW 138S?
It is the small S-size version with approximately 1-1/8" length.
4. What industries use this product?
Typical users include food processors, poultry companies, meat manufacturers, and food packaging businesses.
5. Can I order YELLOW 138S in bulk?
Yes. Bulk OEM supply is our primary business model.
6. Can you customize the product?
Yes. Temperature, color, logo, and packaging customization options are available.
7. Is this product food safe?
Yes. The product uses food-grade PA66 materials and BPA-free construction.
8. Are you a manufacturer or reseller?
LIOU Manufacturing is a direct factory source specializing in disposable temperature indicators since 2006.
Product Disclaimer
DISCLAIMER: YELLOW 138S is an independently manufactured disposable temperature indicator model from LIOU Manufacturing & PopNReady. The expressions "temperature indicator", "food temperature indicator", and related terms are generic industry descriptions. LIOU Manufacturing is not affiliated with any third-party brands. Any product specifications and industry references are provided only for product identification, application evaluation, and purchasing communication.