SINGLE USE POP-UP THERMOMETERS

YELLOW 138L Disposable Pop-Up Thermometer

YELLOW 138L Disposable Pop-Up Thermometer

PopNReady YELLOW 138L is a large-size disposable pop-up thermometer designed for professional cooking applications requiring a 138°F (59°C) activation temperature. Manufactured by LIOU Manufacturing – PopNReady Brand, this model delivers stable single-use temperature indication performance for food companies, distributors and OEM customers worldwide.

YELLOW 138L Disposable Pop-Up Thermometer 138°F Large Size Food Grade OEM Product

With dedicated manufacturing experience since 2006, LIOU Manufacturing specializes in disposable pop-up thermometer production and provides direct factory OEM solutions. The YELLOW 138L combines a larger format with consistent activation accuracy, making it suitable for commercial food preparation environments where easy handling and reliable temperature indication are important.

Product Overview

The YELLOW 138L features the Large (L) size format with a preset activation temperature of 138°F (59°C). Once the internal food temperature reaches the designed activation point, the pop-up mechanism provides a clear visual indication without requiring batteries or electronic components.

This model is suitable for professional kitchens, food processors, catering suppliers and private label food brands requiring disposable cooking temperature indicators supplied directly from the manufacturer.

Technical Specifications

Model NumberYELLOW 138L
Product TypeDisposable Pop-Up Thermometer / Single-Use Cooking Thermometer
SizeLarge (L) - 1-1/2" in length
Button Head ColorYellow
Activation Temperature138°F (59°C)
Activation Accuracy±2°F (±1°C)
Housing MaterialFood-grade PA66 Nylon
Core MaterialFood-grade PA66 Nylon
Temperature Sensing MediumFood-extracted wax core
Spring StructureMetal spring
BPA StatusBPA-Free
Heavy MetalsNone
CertificationsFDA, EU Food Contact Approval, BRC/BRCGS Requirements

Main Advantages

  • Large-size design for easier product handling
  • 138°F preset activation temperature
  • Reliable ±2°F activation accuracy
  • Food-grade PA66 nylon construction
  • No battery or electronic components required
  • Suitable for bulk OEM production

Applications

YELLOW 138L is designed for commercial food applications where a disposable pop-up thermometer provides convenient and consistent cooking temperature indication.

  • Commercial roasting operations
  • Food processing plants
  • Catering and food service companies
  • Central kitchen production
  • Ready-to-cook food manufacturers
  • Private label food programs

OEM Customization Options

LIOU Manufacturing provides complete OEM customization support for customers requiring branded or application-specific disposable pop-up thermometers.

  • Custom Activation Temperature
  • Custom PANTONE Color Matching
  • Custom Logo Injection Molding
  • Custom Retail Blister Card Packaging
  • Custom Clear Resealable Bag Packaging

Factory Direct Supply

YELLOW 138L is available for bulk purchase directly from our factory. We mainly supply overseas B2B customers including food processors, importers, distributors, wholesalers and OEM brands.

Our manufacturing philosophy is: One Product. Professional. Focused. 100% for Export.

By concentrating on disposable pop-up thermometer manufacturing for nearly two decades, we provide specialized production capability and long-term supply support for global customers.

Frequently Asked Questions

1. What temperature does YELLOW 138L activate at?

YELLOW 138L activates at 138°F (59°C).

2. What is the size of YELLOW 138L?

It is the Large (L) version with a length of 1-1/2 inches.

3. What is the difference between YELLOW 138S and YELLOW 138L?

Both models share the same activation temperature. The difference is the physical size, with 138L providing a larger format for easier handling.

4. Is this product reusable?

No. YELLOW 138L is designed as a single-use disposable pop-up thermometer.

5. Can the activation temperature be customized?

Yes. Custom activation temperatures are available for OEM projects.

6. Can you provide branded products?

Yes. We offer logo injection molding and custom packaging solutions.

7. Are bulk orders available?

Yes. Bulk OEM production is our primary supply model.

8. Which industries use this product?

Customers include food manufacturers, catering companies, distributors, wholesalers and private label food brands.

DISCLAIMER: "Disposable Pop-Up Thermometer", "Disposable Pop-Up Timer", and "Pop-Up Timer" are generic industry terms referring to single-use cooking temperature indication products. YELLOW 138L is independently manufactured by LIOU Manufacturing – PopNReady Brand for global OEM and bulk supply applications. We are not associated with any other brands or manufacturers. Any product references are provided only for identification and comparison purposes.