UV Fade Meter Si48 manufacturerWhats/App: +86 156 1874 6768 Web: standard-groups.com Applications Paints & Coatings: Color retention and chalking resistance testing for exterior building paints, aut
Whats/App: +86 156 1874 6768
Web: standard-groups.com
Applications
Paints & Coatings: Color retention and chalking resistance testing for exterior building paints, automotive finishes, anti-corrosion coatings, and industrial paints.
Plastics & Rubber: Brittleness and cracking assessment for outdoor plastic pipes, sealing gaskets, tires, and PP/PVC materials.
Textiles & Leather: UV resistance testing for sunshade fabrics, outdoor sportswear, synthetic leather, and synthetic fibers.
Ink & Printing: Lightfastness verification for advertising prints, packaging materials, and various color inks.
Adhesives: Bonding stability testing of structural construction adhesives, tapes, and sealants under prolonged UV exposure.
Standards
ISO 11431. ISO 2135;
ASTM D5031. ASTM G151. ASTM G153;
JIS A 1415. JIS A 1439. JIS K 5701-1. AATCC TM16. JIS L 0842. JIS K 6404-4. JIS D 0205. JIS D 0202. JIS E 4037. JIS Z 0237. JIS Z 1528. JIS B 7751;
SAE J2020;
Technical Parameters
| Parameter | Description |
|---|---|
| Light source | Composed of carbon arcs between upper and lower carbon rods, the arc voltage and arc current can be adjusted according to specific models. For example, some models have an arc voltage of 50V and an arc current of 60A. |
| Filter | Use specific glass filters, such as the Korex 7058 glass filter, to reduce unwanted radiation. |
| Temperature range | The temperature inside the test chamber can be adjusted as needed, usually within a certain temperature range, such as 0-80 °C. |
| Name | UV Fade Meter | |||
|---|---|---|---|---|
| Model | Si48A | Si48 | ||
| Light Source | UV Long-Life Carbon Arc Lamp | UV Long-Life Carbon Arc Lamp | ||
| Light Source Qty. | 1 | 1 | ||
| Continuous Lightning Time | 48 hours | 48 hours | ||
| Irradiance | Wavelength 300 to 700nm | 500±100W/m2 (at 390 to 700nm) |
500±100W/m2 (at 390 to 700nm) |
|
| Test Item | Light | 〇 | 〇 | |
| Light + Spray on front face (Rain) | - | - | ||
| Dark | - | - | ||
| Dark + Spray on back face (Dew) | - | - | ||
| Temperature / Humidity Range |
Light | BPT | 63±3℃ (at 28~30W/m2) | 63±3℃ (at 28~30W/m2) |
| Humidity | 35~50±5%rh | 50%rh or under (not controlled) | ||
| Light + Spray on front face (Rain) |
Chamber Temperature (CAT) | - | - | |
| Dark | Chamber Temperature (CAT) | - | - | |
| Humidity | - | - | ||
| Dark + Spray on back face (Dew) |
Chamber Temperature (CAT) | - | - | |
| Specimen Capacity | excl. black panel sensor and light receptor |
102 (65x55x1mm) | 102 (65x55x1mm) | |
| Specimen Holder | Inclined type | 18 | 18 | |
| Specimen Rack | Diameter | φ508mm (200 in) | φ508mm (200 in) | |
| Rotation Speed | 3 rpm | 3 rpm | ||
| Electrical Specifications | 50/60Hz | Single phase, 200V, 41A | Single phase, 200V, 21A | |
| Earth Leakage Breaker (ELB) | ELB: 50A | ELB: 40A | ||
| Water Consumptions | For wet bulb pot | Tap water | Pure water approx. 7L/h | approx. 0.5L/h |
| For humidifier | Pure water | |||
| For specimen spray | Pure water | - | - | |
| For wall cooling and back spray | Tap water | - | - | |
| For chamber temp. control / refrigerator |
Cooling tower water | - | - | |
| Outer Dimensions | Width x Depth x Height (including pipings) approx. | 95x103x205cm (37.4x40.6x80.7in) | 95x88x175cm (37.4x34.6x68.9in) | |
| Operating Weight | approx. | 300kgs (661lbs) | 280kgs (617lbs) | |
| Standard Accessories | Radiometer for Irradiance Calibration | Optional | Optional | |
| Irradiance Automatic Control System | - | - | ||
| Black Panel Temperature Automatic Control System | Optional | Optional | ||
| Others | - | - |
||
Accessories
(1) UVA-340/UVB-313 Fluorescent Lamps
(2) Standard Aluminum Specimen Holder
(3) Blackboard Thermometer
(4) Irradiance Calibration Sensor
(5) Pure Water Filter
(6) Automated Monitoring Software
Test Procedures
Sample Loading: Secure specimens to the sample holder. Fill any empty spaces with spacers to maintain chamber pressure.
Lamp Verification: Install corresponding UVA or UVB lamps according to test standards and record lamp operating time.
Cycle Setup: Configure light intensity, temperature, and condensation/spray cycle duration in the controller.
Test Initiation: Verify water supply system, start equipment, and allow instrument to enter automatic cycle testing mode.
Process Monitoring: Periodically review irradiance readings and operational curves on the touchscreen to ensure data remains within tolerance limits.
Result Evaluation: Remove samples after testing concludes. Assess aging degree via visual comparison, color difference measurement, or physical strength testing.
Maintenance Information
Lamp Maintenance: Replace lamps sequentially every 1600-2000 operating hours to maintain stable irradiance energy.
Water System Cleaning: Use deionized or distilled water exclusively. Clean the water tank regularly to prevent scale buildup that impairs heating efficiency.
Sensor Calibration: Calibrate the irradiance sensor every six months to ensure internationally valid test data.
Environmental Requirements:
The test chamber should be placed in a well-ventilated laboratory, and the fan filter should be cleaned regularly.
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