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DMT-4127
Joytech / OEM
The Joytech DMT-4127 Digital Thermometer is engineered to deliver reliable, clinical-grade temperature monitoring with thoughtful design enhancements for user comfort and convenience. Its distinctive curved cap design improves the measurement experience, while a robust rigid tip and waterproof body ensure durability and hygiene. Coupled with fast, configurable readings and practical features, it is a dependable tool for both home health management and professional care environments.
1. The DMT-4127 features a unique curved protective cap specifically designed for axillary measurement. This ergonomic shape provides a more secure and comfortable fit against the body, improving stability during the reading process and enhancing the overall user experience, especially for children or restless patients.
2. Built for longevity and easy maintenance, the thermometer combines a medical-grade rigid tip for consistent accuracy with a fully waterproof body. This allows for thorough cleaning and disinfection after each use, which is crucial for infection control in multi-user settings like clinics or households.
3. The device offers selectable measurement times to balance speed with reading stability. An acoustic completion signal confirms the measurement, and a built-in fever alarm provides an immediate audible alert if the temperature exceeds a normal threshold, enabling prompt attention.
4. The DMT-4127 is produced using fully automated manufacturing, assembly, and packaging equipment. This automated process minimizes manual variability, ensuring each unit meets consistent high standards for performance and build quality, reflecting Joytech's commitment to reliable, professional-grade products.
Acoustic reading signal
Rigid tip
Fever alarm
Waterproof
Last reading recall
Dual scale with °C/°F
10s/20s/30s response time
Automatic power-off
One pc of DMT-4127 rigid tip underarm thermometer
One pc of Plastic holder
One pc of English instruction user's manual
One pc of Giftbox
Model | DMT-4127 |
Range | 32.0°C-42.9°C(90.0°F-109.9°F) |
Accuracy | ±0.1°C,35.5°C-42.0°C(±0.2°F,95.9°F-107.6°F) ±0.2°C below 35.5°C or over 42.0°C (±0.4 °F below 95.9 °F or over 107.6 °F) |
Response | Fast read |
HP | Rigid |
°C/°F Switchable | Optional |
Fever Beeper | Yes |
Waterproof | Yes |
Display Size | 13.5x6.0mm |
Battery Type | 1.5 V LR41, SR41 or UCC 392 |
Battery Life | About 1 year for 3 times per day |
Unit Dimension | 12.2 x 1.8 x 1.1cm |
Unit Weight | Approx. 10grams |
Packing | 1 pcs / Gift box, 10 Gift boxes / Inner box; 30 Boxes / CTN |
CTN Dimension | Approx. 49 x 36.5 x 40.5cm |
G.W. | Approx.12 kg |
| Selection chart of MT27 series human body thermometers | |||
| Thermometer Model | DMT-1027 | DMT-2027 | DMT-4127 |
| Response Time | 60s | 60s | 10s/20s/30s |
| LCD Size | 13.5mmx6.0mm (LxW) | ||
| Unit Dimension | 12.2×1.8×1.1cm | ||
| Waterproof | No | Yes | Yes |
| Feverline | No | No | No |
| Feature | Basic | Basic with waterproof | Fast read with waterproof |
• 24 years of OEM & ODM expertise.
• 3 manufacturing centers with 260,000㎡ automated facilities and 2000㎡ automated warehouses.
• 30+ production lines & 100+ patented innovations.
• ISO 13485, MDSAP, BSCI certified quality systems.
• Full customization for global brands, including Fortune 500 partners.

• WHX Dubai (formerly Arab Health), Dubai
• WHX Miami (formerly FIME), Miami, USA
• Hong Kong Electronics Fair, Hong Kong
• ABC Kids Expo, USA
• KIMES, Seoul, Korea
• MEDITEX Bangladesh, Dhaka
• Hospitalar, São Paulo, Brazil
• Canton Fair, China
• MEDICA, Düsseldorf, Germany
We are committed to meeting partners worldwide at leading international medical and consumer health exhibitions.

Q1: How does the curved cap design actually improve measurement?
A1: The curved cap is an ergonomic innovation for underarm use. Unlike a flat cap, its contoured shape better conforms to the natural curve of the body, helping to maintain full contact between the probe tip and the skin. This reduces air gaps that can affect accuracy and makes it more comfortable to hold in place, leading to more stable and reliable readings.
Q2: What are the different measurement times for, and which should I choose?
A2: The different modes cater to varying needs for speed versus final accuracy. Use the 10-second mode for a rapid initial screening. For a more settled, definitive reading—highly recommended for clinical accuracy or when tracking a fever's progression—the 20 or 30-second mode is preferable. The longer times allow the reading to fully stabilize.
Q3: Why is the waterproof feature important for a thermometer?
A3: Waterproofing is critical for hygiene and durability. It allows you to safely and completely rinse the entire thermometer with water and mild soap or wipe it with medical-grade disinfectant after each use. This prevents cross-contamination, is essential for use in healthcare settings or multi-person households, and protects the device from accidental damage due to spills.
For customized solutions or partnership inquiries, please contact us at marketing@sejoygroup.com to discuss your specific needs.