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Ultraviolet weathering aging test chamber

2021-11-17

The test is carried out by exposing the material to be tested in the interaction cycle of controlled sunlight and moisture while increasing the temperature. The equipment is used as an ultraviolet fluorescent lamp to simulate the sunlight, and the moisture effect can be simulated by condensation or spraying. It is the test equipment of aviation, automotive, home appliances, and scientific research. UV weathering aging test chamber is suitable for schools, factories, research, and other units. Using fluorescence ultraviolet lamps to simulate the effects of sunlight, the hazard type includes: fading, discoloration, loss of light, sparkling, cracking, peeling, turbid, bubble, brittle, intensity, recession, and oxidation.

2. Ultraviolet weathering aging test box structure:

A, Inner box size: W1170 Times; H500 Times; D450 (Custom-made Nonale) B, Dimensions: W1480 Times; H1300 Times ;

C, machine material: SUS304 # stainless steel plate.

D, UV weathering aging test chamber: aluminum alloy frame frameboard

] E, the controller: UV weathering aging test chamber color touch screen program controller F, irradiated tube: UVA-340 or UVB-313 8 (optional) 4 square g, irradiation: UVA / UVB ultraviolet irradiation (optional)

H, two-way online (RS232 communication interface, optional)

i, UV weathering aging test chamber power supply leakage circuit breaker control circuit overload short circuit Alarm, super temperature alarm, water shortage protection 3. Ultraviolet weathering aging test box technical parameters:

a, temperature range: RT normal temperature ~ + 80 ° C

B, UV weathering aging test box humidity Range: greater than or equal to 90% RH

C, temperature uniformity: plusmn; 1 ° C

D, temperature fluctuation: plusmn; 0.5 ° C

E, UV weathering The center distance of the aging test box light pipe: 70mm

f, the center distance of the test product and the lamp tube: 50mm plusmn; 3mm

g, irradiation: 1.5W / m2 can be adjusted [

I, ultraviolet weather resistant aging test box light, condensation, spray test cycle adjustable J, tube: L 1200 / 40W, 8 (UVA / UVB life 1600h or more) k, controller: color Touch screen Canada (RUERSI3861P) intelligent controller.

l, temperature control mode: PID self-correction SSR control

M, standard test piece size: 75x290mm (special specification required)

n, sink water depth: 25mm automatic Control

O, UV weathering aging test chamber effective irradiation area: 900x210MMP, UV wavelength: UVA range is 315 ~ 400 nm; UVB range is 280 ~ 315 nmq, test time: 0 ~ 999h (adjustable)

, Irradiated blackboard temperature: + 40 ° C ~ + 70 ° C

S, standard sample rack: 24 group middot;

T, unit has automatic spray function

4 Ultraviolet weather resistant aging test chamber Structure Description:

A c, UV weathering aging test chamber in the airway adopts a single cycle system, there is an imported axial fan, improved the fluging of air, heating the ability, large; the amplitude improves the temperature uniformity in the test chamber ]

D, Tube: UV weathering aging test chamber UV lamp, two rows of 8, 40W / support E, lamp life: 1600h or more

F, water source and consumption: tap water or Distilled water about 8 liters per day

g, the ultraviolet weather resistant aging test chamber mounts 8 UVA or UVB ultraviolet lamp

h, the heating mode is heated, and the heating method is heated. The temperature is fast, the temperature distribution is uniform, the lid is two-way flip, close, easy to freely

J, ultraviolet weathering aging test chamber, automatic hydrating, preventing heating tube air damage K, sample rack consisting of stainless steel Or aluminum alloy

5. Safety protection device:

A, ground protection

B, UV weathering aging test chamber power supply overload short circuit breaker

] C, control loop overload, short circuit fuse

E, water shortage protection

F, super temperature protection

6. Temperature control UV:

Ultraviolet weathering aging test tank optical reactions are not sensitive to temperature changes, however, the speed of the secondary reaction is closely related to temperature changes. In general, as the temperature increases, the reaction speed will speed up, and therefore, during the UV expiration test, temperature control is very important. More importantly, it is necessary to use the test temperature and material used by the acceleration test in practical applications. The ZUI high temperature

is matched. The temperature of the UV process in the ultraviolet weathering aging test chamber is set to any point in 50 ° C to 70 ° C, depending on the level of illuminance and the indoor environmental temperature. The temperature adjustment of the device is to direct a series of systems such as air heaters and water heaters in the equipment with a controller with microcomputer calculation.

7. UV weathering aging test box moisture:

With the improvement of temperature, the destructive power of moisture on the material will increase dramatically. Therefore, in a humid transmissive, temperature control is the basic requirements of ZUI. Furthermore, it is necessary to produce a * fruit that requires maintaining a high temperature environment during moisture. Therefore, the temperature of the condensation process is set to any point in 40 ° C to 60 ° C.

8. Ultraviolet weathering aging test chamber heating system:

A, U-type titanium alloy high-speed heating electric heating tube

B, UV weathering aging test chamber temperature control Light complete independent system

c, temperature control output power is calculated by microcomputer, with high precision and high efficiency electricity efficiency D, UV weathering aging test chamber heating system has anti-super temperature function:

E, the blackboard temperature is controlled by the color touch screen controller or the digital button thermostat, and the output power is calculated by microcomputer, PID self-tuning, monitoring adopts standard PT100 blackboard temperature sensor.

6, UV weathering aging test chamber water tank temperature uses a color touch screen as a Korean temperature controller control heating, the sink is located under the lower part of the box, and the built-in electric heating heater is built into. During the test, there is a test segment that is a dark condensation process, which requires a saturated water vapor that can produce higher temperatures in the box. When the water vapor encounters a relatively cold model surface, it will condense the dew in the surface surface.

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