Scope of Application

【Operating Instructions】

Suitable for testing the thermal resistance and moisture resistance of planar materials such as textiles, clothing, bedding, sleeping bags, interior decorations, films, coated materials, foams, leather, and multi-layer fabric composites.

**YG606G-Ⅲ Thermal and Moisture Resistance Tester**

**【Scope of Application】**  

Suitable for testing the thermal resistance and moisture resistance of planar materials such as textiles, clothing, bedding, sleeping bags, interior decorations, 

films, coated materials, foams, leather, and multi-layer fabric composites.

**【Applicable Standards】**  

GB/T 11048-2008, ISO 11092, ASTM F1868 (A‑E), ASTM D1518, etc.

**【Product Features】**  

1. Achieves world‑class testing accuracy and is an ideal instrument for measuring thermal and moisture performance indicators related to textile physiological comfort.  

2. The core components of the instrument incorporate patented technology and use high‑precision temperature sensors, ensuring high testing accuracy, excellent repeatability, and stability.  

3. Equipped with a microcomputer control and data processor, it directly measures and calculates various performance indicators of the specimen (thermal resistance, moisture resistance, moisture vapor transmission rate, moisture vapor transmission index, thermal insulation rate, heat transfer coefficient, clo value) without manual calculation.  

4. Features a large‑screen color LCD touch display with an intuitive UI design, capable of storing all test data and final statistical results for easy query.  

5. Via API software, it can be directly controlled by a computer, displaying various temperature and humidity balance curves in real time, storing all test data and final statistical results, and enabling real‑time queries. Test results can be output directly via computer or printer.  

6. Real‑time display of thermal and moisture resistance data; multi‑point independent calibration improves system nonlinearity.  

7. Uses an imported motor‑driven lifting system to quickly adapt to specimens of varying thicknesses.  

8. Fully automatic water level replenishment system with an error of less than 1 mm.  

9. The internal water tank is treated with aviation‑grade anti‑corrosion technology, ensuring the durability and robustness of precision components, significantly improving overall instrument stability.  

10. The ventilation system uses imported EBm‑brand components, further enhancing stable and reliable airflow.  

11. Provides reference standards for textile thermal and moisture resistance testing.

**【Technical Parameters】**  

1. **Test Methods:**  

   - A Method: Sweating hot plate method  

   - B Method: Static plate method  

   - Phase‑change material heat absorption and release measurement (breakthrough technology, world first)  

2. **Test Plate Dimensions:** 200 × 200 × 5 mm  

   - The heated test plate assembly consists of the test plate, a guard ring, and a bottom plate. The guard ring surrounds the test plate, and the bottom plate is located beneath the test plate.  

   - The test plate is made of a special porous stainless steel material formed by powder metallurgy, effectively simulating skin sweating. At 20°C, with a light beam (wavelength 8–14 μm) directed perpendicularly onto the test plate surface and measured via hemispherical reflection, the surface emissivity is greater than 0.4.  

3. **Guard Ring Width:** 125 mm  

4. **Temperature Adjustment Range for Test Plate, Guard Ring, and Bottom Plate:** 20–50 °C (adjustable)  

   - **Temperature Control Accuracy:** ±0.1 °C; **Resolution:** 0.01 °C  

5. **Air Velocity Above Specimen Surface:** 0.5, 1, 1.5 m/s (selectable); accuracy ±0.05 m/s (wide adjustable range, broad applicability for various research needs).  

6. **Thermal Resistance:**  

   - **Test Range:** 0 – 2.0 m²·K/W  

   - **Resolution:** 0.00001 m²·K/W  

   - **Repeatability Error:** ≤ ±2.5% (factory control ≤ ±2%)  

7. **Moisture Resistance:**  

   - **Test Range:** 0 – 1000 m²·Pa/W  

   - **Resolution:** 0.01 m²·Pa/W  

   - **Repeatability Error:** ≤ ±2.5% (factory control ≤ ±2%)  

8. **Temperature Control Accuracy for Test Plate, Guard Ring, and Bottom Plate:** ±0.1 °C; **Resolution:** 0.01 °C 

9. **Microclimate Chamber Temperature/Humidity and Accuracy:**  

   - Thermal resistance: 20°C ±0.1°C, 65% ±2% (resolution 0.01°C / 0.01%)  

   - Moisture resistance: 35°C ±0.1°C, 40% ±2% (resolution 0.01°C / 0.01%)  

10. **Thermal Power Measurement Accuracy:** ±0.5%  

11. **Platform Lifting Range (Specimen Thickness):** 70 mm  

12. **External Dimensions:** 1000 × 770 × 1800 mm  

13. **Weight:** 400 kg  

14. **Power Supply / Power:** AC 220V ±10% / 4000 W  

15. Automatic water supply system with a 15 L large‑capacity water tank.  

16. The instrument is equipped with an upgraded API software package, computer, and printer.