The Sweating Guarded Hotplate TF129 is a high-precision instrument designed to measure the thermal resistance and water-vapor resistance of textiles, providing essential insights into fabric comfort. The TF129 Sweating Guarded Hot Plate is a complete test system that includes a Human Skin Simulation test plate, automatic water supply system, wind speed stabilization system, test host, and climate chamber.
A Windows based software is offered. The main machine inside the chamber is connected with the software by Wi-Fi, so operators may control and monitor the testing in the office. For optimal performance, this guarded plate apparatus is offered with an advanced Temperature & Humidity Chamber to maintain consistent conditions throughout the test.
As a key Thermal Fabric Resistance Test Equipment, this guarded hot plate apparatus evaluates textiles’ ability to retain warmth and manage moisture. A higher thermal resistance indicates greater warmth, enhancing insulation, while a lower water-vapor resistance allows better breathability, contributing to wearer comfort.
Tested and trusted in over 42 countries, the Sweating Guarded Hotplate TF129 complies with multiple international standards, including ISO 11092, ASTM F1868, and GB/T 11048. As a leading hot plate apparatus provider, TESTEX also offers a range of other textile testing instruments to meet diverse needs. Get the latest Guarded Hot Plate Apparatus Price and special offers now.
Description
Parameter
| Thermal resistance range: 0.001-2 .0 m²·K/W, Resolution: 0.0001 m²·K/W |
| Evaporative Resistance range: 1-1000 m²·Pa/W, Resolution: 0.001m²·Pa/W |
| Repeatability: ≤ ±2% |
| Test plate temperature range: 30℃ ~ 40℃, adjustable, accuracy: ±0.2℃ |
| Air velocity: 0 ~ 1 m/s, adjustable, accuracy: ±1% |
| Sample thickness: 0~50 mm |
| Test plate area: 254 mm x 254 mm |
Specification
| Model | TF129 |
| Standards | ISO 11092, ASTM F1868, GB/T 11048 |
| Power | 110/220 V, 50 Hz |
| Weight | 62 Kg |
| Dimensions | 770 mm x 670 mm x 430 mm |
TESTEX – a professional textile testing instrument supplier – Sweating Guarded Hotplate TF129 is on sale, contact us to get a detailed price quote.
Features of Sweating Guarded Hotplate TF129
More advanced testing methods
The Sweating Guarded Hot Plate Apparatus utilizes a hot plate along with specialized materials, replacing the traditional porous plate. This machine effectively simulates skin sweating. We produce high-quality Guarded Hot Plate Apparatus.
More reliable test results
The Sweating Guarded Hotplate features an environmental chamber that regulates and monitors air temperature, air velocity, and humidity. This capability enhances the accuracy of Thermal Resistance and Vapor Transmission Test testing on samples.
A variety of automated systems make the test more intelligent and scientific.
This Guarded Hot Plate Apparatus features an automatic water supply and drainage system, a powerful water filling system, and a precise platform movement system.
It also inputs the test sample’s thickness and adjusts the platform to the required position. The wind speed stabilization system ensures uniform and stable wind speed, making the Sweating Guarded Hotplate Test more stable.
The software in this hot plate apparatus is user-friendly and convenient for testing, accurately calculating each index of the specimen, including thermal resistance, water vapor resistance (evaporation resistance), permeability, insulation value, and heat loss. The results and curves are displayed on the computer.
Users operate the Sweating Guarded Hotplate with an advanced temperature and humidity control chamber.
Note: This Sweating Guarded Hotplate requires a customized PC.
Application of Sweating Guarded Hotplate TF129
The Sweating Guarded Hotplate is a key tool for fabric comfort testing, measuring thermal resistance and water-vapor resistance. This Thermal Fabric Resistance Test Equipment simulates human skin to assess how well fabrics retain heat and manage moisture, critical for outdoor wear, activewear, and winter clothing. It helps manufacturers and researchers compare fabrics to select materials that balance warmth, breathability, and moisture management. Used for testing protective clothing, workwear, and outdoor gear, it ensures optimal comfort in extreme conditions. Designers also use the Sweating Guarded Hotplate to optimize fabric insulation and moisture-wicking properties.
Test Principle of Sweating Guarded Hotplate TF129
The key idea behind thermal resistance is to cover the specimen with the test plate. You also cover it with its surrounding thermal protection ring. The bottom of the protection plate stays at a constant temperature. This setup ensures that the heat of the test plate can only go through the specimen. Air can flow over the top surface of the specimen under the test conditions. We used this setup to find heat flow through the specimen. This helped us calculate its thermal resistance.
The main test principle involves covering the test plate with a breathable film. But, the film must also be impermeable. After the water enters the test plate, it evaporates and passes through the film as water vapor. So, no liquid water touches the specimen. After the specimen is placed on the film, we’ve measured the heat flow. It’s needed to keep the test plate at a constant temperature. This is done under a certain water evaporation rate. We also consider the water vapor pressure through the specimen. From this data, we calculate the water-vapor resistance of the specimen.
Know more about thermal resistance and water-vapor resistance
Textile – Test standards for thermal resistance and water-vapor resistance.
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GB/T 11048 covers testing thermal and water-vapor resistance under steady-state conditions. It uses the sweating-guarded hotplate test method.
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ISO 11092 covers the effects of textiles on the body. It measures thermal and water-vapor resistance under steady-state conditions. Researchers use the sweating-guarded hotplate test for this purpose.
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ASTM F1868 measures the thermal and evaporative resistance of clothing materials. It uses a sweating hot plate.
This hotplate is guarded by a sweating person. It is often called the “skin model” in this standard. It simulates the heat and mass transfer next to human skin. This test method works for all types of textile fabrics. It also works for coatings, leather, and multi-layer composites. Additionally, we’ve can share the ISO 11092 test methods and ISO 11092 PDFs as well.
Difference Between Thermal Resistance (RCT) and Water-Vapor Resistance (RET)
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RCT: Thermal resistance determines if the fabric holds in heat. The higher the value obtained, the better the insulation. Rct (m²·K/W)
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RET: Water-vapor resistance determines a fabric’s ability to allow water vapor (perspiration) to pass through it. The lower the value obtained, the more breathable the fabric. Ret (m²·Pa/W)
Perform Rct0, Rct, Ret0, and Ret tests on the TESTEX Sweating Guarded Hotplate TF129.
Why Choose Testex Sweating Guarded Hotplate TF129
Meet standards
All data for TF129 Guarded Hot Plate Apparatus meet the standard parameters, for example, ISO 11092 and ASTM F1868.
Consistency with international third-party laboratories.
Our test data aligns with results from renowned international third-party laboratories.
High reproducibility
The samples are the same, or the machines are the same model. After many tests, the Thermal Resistance and Water Vapor Resistance Test Results are consistently the same.
Longer service life
TESTEX builds robust prototypes for its Sweating Guarded Hotplates before moving to mass production. These prototypes must clear a rigorous Reliability Test, which involves pushing them to their limits under extreme conditions – intense temperatures, high speeds, and heavy loads. This testing guarantees a service life of at least 8 years.
User-friendly, transparent warranty policy
They come with a 14-month warranty. This is 2 months longer than the normal 12-month warranty. The extra time is for shipping. Besides, all spare parts have 3 months free warranty.
We support the full life cycle of the sweating-guarded hotplate TF129. We offer thermal resistance test equipment and services. Contact our service team for the Guarded Hot Plate Apparatus Price and Sweating Guarded Hotplate Test Method today!
