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Uv Aging Test Chamber

Uv Aging Test Chamber

UV aging test chamber is an aging test equipment that simulates the light environment. According to the type, it can be divided into desktop type, tower type and box type. It uses ultraviolet light as the light source, and appropriately controls temperature, humidity and condensation to fully obtain the damage effect of UV light, humidity and temperature on polymer materials (material aging includes material fading, loss of light, strength reduction, cracking, exfoliation, pulverization, oxidation, etc.). The lamp has UVA-340 and UVB-313 light sources for optional configuration.

During the entire test cycle, the irradiation energy and temperature are controllable. A typical test cycle is usually a dark and humid condensation cycle with ultraviolet light exposure at high temperature and relative humidity at 100%. The equipment is typically used in paints and coatings, automotive industry, plastic products, wood products, glue, etc.

Internal structure

Internal structure of the UV aging Chamber

External structure

External structure of the UV aging Chamber

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UV aging box product parameters

Model Working Room Size(WxHxD) External Dimensions(WxHxD) Temperature Range Humidity Range Fluctuation/Uniformity Lamp Type
NKHS-UV-TW 1170x500x450 1280x1450x580 RT+10-70℃ 60-98%R.H   ±0.5℃/±2℃   UVA-340 wavelength 295-365nm UVB-313 wavelength 280-315nm
NKHS-UV-XS 1300x400x400 1550x1850x750
NKHS-UV-TS 400x400x400 1100x890x980
Performance Description
Wavelength Range UVA-340 wavelength range is 295-365nm, UVB-313 wavelength range is 280-315nm
Maximum Radiation Intensity Adjustable within 1.2W/㎡/340nm
Temperature Resolution 0.1℃
Illumination Temperature Range 50℃-70℃/Temperature tolerance is ±3℃
Condensing Temperature Range 40℃-60℃/Temperature tolerance is ±3℃
Blackboard Thermometer Measuring Range 30-80℃/Tolerance is ±1℃
Structure Material Outer box: rust-proof cold-rolled plate spraying Inner Box: 304 stainless steel
Insulation Material Polyurethane rigid foam/superfine glass fiber cotton
Door Frame Insulation Double-layer high and low temperature aging resistance silicone rubber door sealing strip
Heating/Humidification Nickel-chromium alloy heating tube
Error Alarm Leakage, short circuit, over temperature, water shortage, motor overheating, compressor overpressure, overload, over current protection, controller power failure memory
Voltage AC220/380V±10% 50±0.5Hz three-phase five-wire system
Ambient Temperature 5℃-+30℃≤85%R.H

UV aging box product advantages

UVA or UVB Lamp Tube to Ensure the Comparability of Test Data

Noki uses a more stable UV lamp instead of an ordinary xenon arc lamp as the test light source, and the spectral power distribution will not change with the aging of the lamp, and the service life of the lamp can reach 1600 hours. In this way, more repeatable test results can be obtained, while reducing lamp replacement and reducing operating costs.

Irradiance can be Automatically Calibrated

The energy of the ultraviolet lamp decreases with the increase of the time of use. The control system of the UV aging test box compensates for the weakened lamp energy by increasing the lamp energy. If the system has a "large irradiance error" or even shuts down, the user can Use one calibrator to calibrate multiple UV aging equipment. Either UVA lamp or UVB lamp can be calibrated.

Condensation Function (Simulating Humid and Condensing Environment)

In the condensation cycle, the water in the reservoir at the bottom of the chamber is heated to produce hot steam that fills the chamber, keeping the relative humidity inside the chamber at 98% and maintaining a high temperature. The specimen is fixed on the side wall of the test chamber, and the test surface of the specimen is exposed inside the chamber, so that the temperature difference between the inside and outside surface of the specimen is generated and the specimen condenses into liquid water on the test surface.

Spray Function (Simulating Humid and Condensing Environment)

The spray system of the UV equipment manufactured by Noki consists of 12 nozzles (6 on each side), connecting pipes, control system and drainage system. The nozzles are installed between the UV lamps and when the lamps are turned off, water is sprayed onto the sample, this short time spraying water cools the sample quickly and creates thermal shock conditions.

High-precision Pt 100 blackboard temperature sensor, temperature is automatically controlled and can be calibrated

The NOKI UV tester uses rod-shaped platinum thermocouples to measure the temperature on the surface of a black-coated metal test plate (can absorb at least 90%-95% of radiation in the range of 2500nm), and the blackboard temperature required for the test can be set arbitrarily It is automatically controlled during the test, and the blackboard thermometer can also be calibrated regularly through the calibration interface of the tester.

Real-Time Data Collection and Storage

The experimental data is automatically generated and saved in EXCEL format, and can be exported via U disk, truly unattended. There is a USB interface on the back of the UV aging test box. Through this interface, you can export all the operating parameters of the required time period of the test at any time, which is convenient for you to make statistics and observations on the operation of the machine, and truly realize unattended operation.

Touch Screen Menu Operation Control, Friendly and Convenient

All the control and display of the UV aging test box are completed by a high-definition color touch screen, and the menu-style operation is very convenient. During the test operation, all test parameters can be displayed on the screen in real time.

Comply with a variety of test standards, and a variety of test procedures can be set arbitrarily

The Noki UV aging chamber allows the user to set up to six different test programs and store them permanently. The user can edit any test program consisting of different segments (up to 10 segments), each of which can be set for different conditions (irradiation, spraying, condensation, termination) and the corresponding test parameters.

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Different material needs different standards

General Purpose ISO 4892-1、ASTM G151、ASTM G154、JIS D0205、SAE J2020
Coatings ASTM D3794、ASTM
D4587、FED-STD-141B、GM9125P、JISK5600-7-8、ISO11507、ISO20340、M598-1990、NACE
TM-01-84、NISSAN M0007、PrEN 927-6
Adhesives ASTM C1184、ASTM C1442、ASTM D904、ASTM D5215、UNE 104-281-88
Plastics ISO 4892-3、ANSI C57.12.28、ANSI, A14.5、ASTM D4329、ASTM D4674、ASTM D5208、ASTM
D6662、DIN 53 384、ISO 4892-3、JIS K 3750、UNE 53.104
Roofing Materials ANSI/RMA IPR-1-1990、ASTM D4799、ASTM D4811、ASTM D3105、ASTM D4434
Textiles AATCC TM 186、ACFFA GUIDELINE
Printing inks/art materials ASTM D3424、ASTM F1945
Home Appliances IEC 60335
Please contact us for information on standards applicable to your
industry or to request products that meet other specific standards.

Experimental methods and exposure types

Exposure cycle UV lamp type Radioactivity W/M2 Wavelength Blackboard temp
nm
8h dry UVA-340 0.51-1.1 ±0.02 340 50-70±3
4h condensation
8h dry UVA-340 0.51-1.1 ±0.02 340 50-60±3
0.25h spray
3.75 condensation
4h dry UVB-313 0.49-0.76±0.02 313 50-80±3
4h condensation
8h dry UVB-313 0.49-0.76±0.02 313 50-70±3
4h condensation
20h dry UVB-313 0.49-0.76±0.02 313 50-80±3
4h condensation

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NOKI INSTRUMENT is a professional manufacturer of environmental climate chambers and provides OEM services. Welcome to contact us through the following contact information:
Email address: [email protected],Whatsapp: 008618530078345!

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