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UPF-660 Series Textile ultraviolet transmittance analyzer
CHNSpec UPF-660 Textile UV Protection Analyzer delivers precise UPF testing for fabrics, meeting global standards. Reliable, easy to use, ideal for textiles, apparel, and outdoor product industries.
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  • The CHNSPEC UPF-660 Series Textile Ultraviolet Protection Analyzer is the cornerstone for establishing objective standards for functional fabrics. With cutting-edge spectral analysis technology and advanced algorithm design, it provides:
    1. Accurate Quantification: Objective, repeatable measurement of ultraviolet transmittance (UVA/UVB) for precise evaluation of fabric UPF protection levels.
    2. Standards Compliance: Fully compliant with multiple international testing standards, including AATCC 183, AS/NZS 4399, and ISO 13758, ensuring your products meet global market requirements.
    3. Efficient Certification: Automated testing workflows and intuitive data reporting streamline quality control and accelerate the process from R&D to market launch.

  • UPF-660 Series UPF-660 Series
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Core Advantages | Why Choose the UPF-660 Series
 1. Transient UV Spectrum Acquisition: Full-Band Scan in 1 Second
 Advanced 500KHz high-speed spectral acquisition technology fundamentally revolutionizes the slow point-by-point scanning mechanism.Detector arrays enable nanosecond-level synchronous response, completing full-band data collection from UVA to UVB (250–420nm) within 0.1ms integration time. Parallel computing supports the entire workflow—from data capture and signal averaging to UPF result analysis—completed in just 1 second.

Outstanding SNR: Ultra-fast acquisition enables thousands of real-time averages in a very short time, easily achieving SNR > 1000:1, ensuring fast and accurate UPF evaluation.

2. Intelligent Integrated Control System with Built-In Touchscreen
 Equipped with a high-performance quad-core industrial processor and an optimized embedded OS, eliminating dependence on external PCs. All operations are performed via an industrial-grade capacitive touchscreen following SOP-driven logic, reducing the learning curve and minimizing errors. From spectrum acquisition and dark current correction to UPF value and UVA/UVB transmittance calculations, a single button initiates automated sequences for seamless“sample-to-result”processing.

3. High Dynamic Range Photodetection: UPF Measurement up to 2000
 Research-grade photodetector arrays provide a 50,000:1 dynamic range, capturing signals from highly transparent to extremely opaque fabrics. Quantum efficiency in the UV range reaches ~90%, with cooled detectors suppressing dark noise to <0.1mv/rms. Handles extreme cases of <0.05% transmittance, with sensitivity supporting UPF measurements up to 2000.

4. Ultra-Wide UV Coverage: Comprehensive UVA/UVB Evaluation
 Adopting a symmetrical optical path design and research-grade back-illuminated area array detectors, it achieves an ultra-wide ultraviolet spectral measurement range from 250nm to 420nm. This not only fully covers the UVB (280–315nm) and UVA (315–400nm) bands defined by international standards, but also extends the measurement range into the UVA-I long-wave region up to 420nm, ensuring the capture of even the finest spectral details.

Exceeding Standard Requirements: Far surpasses the 400nm upper limit required by standards such as AATCC 183 and AS/NZS 4399, providing decisive data support for evaluating cutting-edge broad-spectrum protective materials.

High-Resolution Analysis: With an optical resolution of 2nm, it can precisely resolve every spectral detail, enabling a more comprehensive and accurate evaluation of textiles’true protective
performance against the full spectrum of ultraviolet radiation, ensuring your test results carry indisputable completeness and authority in any context.

5. Global Standards Compatibility: Built-In Authoritative Testing Methods
Preloaded with multiple authoritative international standards, including AATCC 183, AS/NZS 4399, EN 13758, GB/T 18830, and JIS L 1925. The system instantly applies all key parameters of the selected standard—specific wavelength ranges, data step sizes, and UPF calculation weightings—ensuring that every test fully complies with the target regulations.

Structured Update Support: With a modular software architecture, when international standards are updated or new versions are released, you can quickly gain compatibility with the latest standards through a simple software upgrade package. This ensures long-term effectiveness of your investment and keeps you aligned with the international forefront at all times.


Technical Parameters

Model
UPF-620
UPF-660
Wavelength Range
280-420nm
250-420nm
Wavelength Accuracy
±0.2nm
Bandwidth（FWHM）Spectral Resolution
＜2nm
Wavelength Interval
1nm
Optical Structure
D/0 (integrating sphere illumination, 0° viewing angle)
Display
7-inch IPS LCD touchscreen
Measurement Parameter
Ultraviolet Protection Factor (UPF), Ultraviolet Protection Factor Average (UPFav), Average Transmittance T(UVA)av, Average Transmittance T(UVB)av, Average Blocking Rate, Average
Transmittance, Band Transmittance, Critical Wavelength, UVA/UVB, UPF Rating, UVA Transmittance, UVA Blocking Rate, UVB Transmittance, and UVB Blocking Rate
Integrating Sphere Coating
FPET
Sphere Port Diameter
1.27cm
Sample Exposure Area
1.26cm²
Light Source
Pulsed Xenon Lamp
Ultraviolet Energy per Measurement Cycle
< 0.2 J/cm²
Sample Positioning Platform
Manual Rotating Sample Stage
Measurement Range: Transmittance
0-100%
Measurement Range: Absorbance
0-2.7AU
0-3AU
Measurement Range: UPF
1-2000+
Light Source Lifetime
More than 100 million times
Supported Methods
AATCC 183:2020; ASTM D6603-2012; AS/NZS 4399:2020; EN 13758-1:2007; GB/T 18830:2009; JIS L 1925:2019
Interfaces
USB 2.0，RS-232
OS Compatibility
Windows
Power Supply
12V 5A
Operating Conditions
0 - 50°C, 0 - 70% RH(non-condensing)
Dimensions
325*332*290mm
Weight
~9.25kg
Related products
Relevant cases
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