YELLOW 138S Disposable Temperature Indicator

YELLOW 138S is a small-size disposable temperature indicator manufactured by LIOU Manufacturing & PopNReady for medium roast beef and professional food processing applications. Designed with a 138°F (59°C) activation temperature, this model provides a simple visual temperature indication solution for food manufacturers requiring consistent cooking results.

As a direct-source manufacturer specializing in disposable temperature indicators since 2006, LIOU Manufacturing supplies YELLOW 138S to global B2B customers including meat processors, food factories, OEM partners, distributors, and food service companies.

YELLOW 138S Product Overview

The YELLOW 138S disposable temperature indicator activates automatically when the internal food temperature reaches approximately 138°F. The visible pop-up indication helps production operators quickly identify when the target temperature has been achieved.

The compact Small (S) design makes this model suitable for medium-sized meat products where space efficiency, stable placement, and accurate temperature indication are required.

Technical Specifications

Recommended Applications

• Medium roast beef products
• Beef processing plants
• Meat preparation facilities
• Industrial roasting operations
• Central kitchen production
• Food service operations
• Ready meal manufacturing
• OEM food production

Reliable Temperature Indication For Meat Processing

YELLOW 138S is designed for applications requiring a controlled medium cooking temperature. Its 138°F activation point provides a practical solution for manufacturers producing consistent roast products and meat-based foods.

The disposable design allows food companies to integrate temperature indication directly into production workflows without requiring electronic devices, batteries, or additional monitoring equipment.

Factory Direct OEM Manufacturing

LIOU Manufacturing provides flexible OEM services for customers requiring customized disposable temperature indicator solutions.

• Custom activation temperature
• Custom button head color
• Logo injection on button head
• OEM bulk production
• Private label manufacturing
• Custom packaging solutions
• Retail blister card packaging
• Transparent resealable bag packaging
• Display box packaging

Materials & Quality Standards

YELLOW 138S is manufactured using carefully selected food-grade materials to meet the requirements of international food processing customers.

• Food-grade PA66 Nylon construction
• BPA-Free design
• Food-derived sensing wax
• Metal spring structure
• Approximate ±2°F activation accuracy
• FDA support documentation
• EU food contact compliance support
• BRC-related quality standards

Bulk Supply & Packaging Options

YELLOW 138S is primarily supplied as bulk OEM products for overseas B2B customers. For retail-oriented markets, customized packaging solutions are available.

• Bulk carton packaging
• OEM bags
• Private label packaging
• Blister card packaging
• Display box packaging

Frequently Asked Questions

1. What is YELLOW 138S?

YELLOW 138S is a small-size disposable temperature indicator with a 138°F activation temperature designed for meat and food processing applications.

2. What temperature does YELLOW 138S activate?

The activation temperature is 138°F (59°C).

3. What size is this model?

YELLOW 138S is the Small size version with a length of 1-1/8 inches.

4. What products can use this temperature indicator?

It is suitable for roast beef, meat products, ready meals, and food service applications.

5. What is the accuracy?

The activation accuracy is approximately ±2°F.

6. Can you customize this model?

Yes. We provide OEM customization including temperature, color, logo, and packaging.

7. Are materials food safe?

Yes. The product uses food-grade PA66 Nylon and food-derived sensing materials.

8. Do you supply international customers?

Yes. Our products are 100% exported to global B2B customers.

9. Can I order in bulk?

Yes. Bulk OEM supply is our main manufacturing service.