Hygroscopic Heating Property Tester
The Hygroscopic Heating Property Tester for Textiles is designed to evaluate the heat-generating performance of textiles after moisture absorption. It measures temperature changes caused by moisture absorption, helping manufacturers assess the thermal response of fibers, yarns, fabrics, and finished garments.
The instrument features temperature measurement, environmental control, and adjustable test duration to support consistent testing conditions. It is suitable for textile laboratories, functional fabric manufacturers, and quality inspection departments evaluating moisture-absorbing and heat-generating textile products.
Application
(1) Functional moisture-absorbing and heat-generating fabrics
(2) Knitted underwear
(3) Fibers and yarns
(4) Woven and knitted fabrics
(5) Finished textile products and garments
(6) Thermal functional textile research and development
(7) Textile quality control and performance evaluation
Standards
(1) GB/T 29866-2013 — Textiles — Test Method for Heat Generating by Moisture Absorption Properties
(2) FZ/T 73036-2010 — Knitted Underwear with Moisture Absorption and Heat Generation
Parameters
| Parameter | Specification |
|---|---|
| Temperature Rise Measurement Range | 0–100°C |
| Temperature Resolution | 0.01°C |
| Temperature Stability | ≤ ±0.5°C |
| Test Chamber Dimensions (W × D × H) | Approximately 350 × 300 × 400 mm |
| Detection Channels | 4-channel configuration, as described |
| Relative Humidity Control | 30%–90% ±3% |
| Airflow Velocity | Adjustable from 0.3–0.5 m/s |
| Test Duration | 1 second to 99 minutes 59 seconds |
| Timing Resolution | 1 second |
Features
(1) Measures temperature rise caused by moisture absorption.
(2) Supports simultaneous testing of multiple specimens with a multi-channel configuration.
(3) Provides temperature resolution of 0.01°C.
(4) Maintains controlled temperature and relative humidity conditions.
(5) Features adjustable airflow velocity.
(6) Supports programmable test duration with 1-second resolution.
Accessories
Separate accessories were not specified in the supplied product information.
Maintenance Information
(1) Keep the test chamber clean and free from textile fibers and other contaminants.
(2) Check temperature sensors and verify measurement performance regularly.
(3) Inspect the humidity control and airflow systems to ensure stable operation.
(4) Ensure specimens are prepared and conditioned consistently according to the applicable test method.
(5) Verify the temperature and humidity readings periodically according to laboratory quality-control requirements.
(6) Follow the manufacturer's instructions for cleaning, calibration, and routine servicing.
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