Far Infrared Emissivity Tester（G212A）
The G212A Far Infrared Emissivity Tester is a laboratory instrument designed to determine the far infrared emissivity of textile materials using the emissivity measurement method. It provides quantitative evaluation of far infrared performance under controlled conditions and is suitable for a wide range of textile forms and finished products.
Application
The G212A Far Infrared Emissivity Tester is used for measuring the far infrared emissivity of the following materials:
Fibers and filaments
Yarns and woven fabrics
Knitted fabrics
Nonwoven materials
Textile finished products with far infrared functional properties
The instrument is suitable for use in textile testing laboratories, quality inspection institutions, and research organizations.
Standards
GB/T 30127 Textiles — Test Method for Far Infrared Emissivity
Parameters
| Item | Specification |
|---|---|
| Measurement wavelength range | 5–14 μm |
| Emissivity measurement range | 0.10–0.99 |
| Indication error | ±0.02 (ε > 0.50) |
| Measurement accuracy | ≤0.1 FS |
| Measurement temperature | Ambient (RT–50 °C) |
| Heating plate diameter | 60–80 mm |
| Specimen diameter | ≥60 mm |
| Standard blackbody plate | 0.95 blackbody plate |
Features
Touch-screen control and display with menu-driven operation
Chinese and English language interface
Core control system based on an STMicroelectronics 32-bit microcontroller with an integrated multifunction mainboard
Optical modulation technology to minimize the influence of sample surface radiation and ambient radiation
Dedicated diffuse reflection (DR) compensation channel combined with mirror reflection (MR) channel to reduce measurement errors caused by diffuse reflection
Lock-in amplification and microelectronic signal processing technologies for improved weak signal detection
Equipped with PC communication interface and dedicated operation software
Accessories
Main unit × 1
Blackbody plate × 1
Operation manual × 1
Certificate of conformity × 1
Delivery note × 1
Acceptance certificate × 1
Product brochure × 1
Test Procedures
Place the specimen on the heating plate and ensure proper contact and alignment.
Set the test parameters according to the applicable standard.
Initiate the measurement through the touch-screen interface.
The system performs emissivity measurement using optical modulation and signal processing technologies.
Record and evaluate the emissivity results after test completion.
Maintenance Information
Keep optical components clean and free from dust contamination.
Regularly inspect the heating plate and blackbody plate for surface integrity.
Ensure stable ambient conditions during testing to maintain measurement accuracy.
Disconnect power when the instrument is not in use for extended periods.
FAQ
(1) What is this product?
It is a laboratory instrument used to measure the far infrared emissivity of textile materials using a standardized emissivity measurement method.
(2) What is this product used for?
It is used to quantitatively evaluate the far infrared performance of fibers, yarns, fabrics, nonwovens, and textile finished products.
(3) Why is this product important?
Accurate emissivity measurement is essential for verifying far infrared functional properties and ensuring product compliance with relevant standards.
(4) What industries is this product suitable for?
It is suitable for textile manufacturing, quality inspection institutions, and scientific research organizations.
(5) What types of this product are available?
This series includes the G212A model configured for far infrared emissivity testing in accordance with GB/T 30127.
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