Main functions of the device:

The UV aging test chamber adopts a fluorescent UV lamp that simulates the UV spectrum in sunlight, and combines temperature control devices to simulate the discoloration, brightness, and intensity reduction of materials; Factors such as cracking, peeling, powdering, oxidation, and damage caused by sunlight (UV band), High temperature, and dark cycles, as well as the synergistic effect between UV light and temperature, weaken or fail the material's single light resistance or single temperature resistance, making it widely used for evaluating the material's weather resistance

Performance indicators and system composition of ultraviolet weather resistance testing machine

Model GC-UV-920

The size of the inner box is approximately 1150 × 800 × 1000 (mm) W × H × D

The external space is approximately 1600 × 1370 × 1200 (mm) W × H × D, as shown in the figure

The center distance of the lamp tube is 70mm

Lamp power 40W/piece

Number of lamps: 8

Installation method of lamp tube: The lamp tube is installed on the top of the test box, and the fixed cover is installed on the top and opened by a spring cylinder

Weight 250kg

Maximum power 2.6 KW

Maximum current of 12A

Power supply conditions

Power supply AC 220V single-phase R, N+protective grounding; The allowable voltage fluctuation range is 10% V;

The allowable frequency fluctuation range is 50 ± 0.5HZ; TN-S power supply or TT power supply

The grounding resistance of the protective grounding wire is less than 4 Ω

Require users to configure corresponding capacity air or power switches for the equipment at the installation site, and this switch must independently control the use of the equipment

performance index 

The values measured under the environmental conditions of+25 ℃, relative humidity ≤ 85%, and no sample in the test chamber.

Temperature range Blackboard temperature: 50～ 70℃

Environmental temperature: RT+10℃～ 60℃

Main technical parameters: Temperature resolution: 0.1 ℃

Temperature deviation: ±1℃                    

Temperature uniformity: ± 2 ℃

Temperature fluctuation: ± 0.5 ℃

Ultraviolet wavelength: UV-A wavelength range is 315-400nm

The UV-B wavelength range is 280-315nm

Note: UV lamps can be selected as UV-A/UV-B lamps or a combination of two lamps. Unless otherwise specified, the machine is equipped with UV-A lamps at the factory

The test meets the standard GB/T16422.3-1997 Part III Fluorescent UV lamps

GB/T14522-2008 Artificial climate aging test method, fluorescent ultraviolet lamp

Section 10.10 of IEC61215: UV weather resistance test

Heating rate Blackboard temperature RT →+70 ℃ ≤ 45 min

Environmental temperature RT →+60 ℃ ≤ 45 min

structure characteristics

The housing structure of the UV aging test box is made of 304 # stainless steel

The irradiation lamp adopts the top installation method of the test box to ensure uniform irradiation of the tested object and significant effect

The test sample support frame is made of stainless steel, and the test box is equipped with a height indexing frame. The distance between the sample and the lamp tube can be adjusted

Install fixed foot cups at the bottom of the test chamber for easy positioning

Special isolated irradiation heating device and air supply system, with strong air circulation from the blower to ensure uniform heat distribution in the test space

Control panel power switch, alarm, irradiation accumulator, irradiation ammeter, irradiation intensity adjustment knob, ambient temperature controller, blackboard temperature controller, timer, timing switch.

Distribution control cabinet cooling fan, distribution board, controller, circulating fan motor

The heating system adopts a scale type heating tube, a multi wing centrifugal fan for air circulation, and a temperature controller for output control of contactless SSR, achieving temperature balance and long-term stable operation

electric control system 

The controller is customized for national testing to control temperature and humidity separately,

True color capacitive touch screen has high control accuracy,

Advantages such as sensitive response and easy operation.

Temperature input mode human-machine interface, touch input

Program capacity and available program quantity for control functions: up to 120 groups, one program can be combined from 1 to 99 segments

Usable memory capacity: 1200 segments, can execute commands repeatedly: each command can be executed up to 999 times, program slope can be set by the timeline, programs can be linked and used, and program creation adopts conversational operation with simple operation

Equipped with functions such as editing, clearing, and inserting, with 4 sets of time signal output control (controllable control of the ON/OFF action of the test object)

It has 9 sets of PID parameter settings, with jump and hold functions during program execution, and can display curves and obtain data; Date and time adjustment function; Button and screen lock (LOCK) function, can be connected to a computer for use

Communication RS-232 interface, can be used as a monitoring and remote control system, record test data

Running mode, program mode/fixed value mode

Setting method: Chinese/English interface, touch input

Set the maximum temperature range with upper and lower limits of 5 ℃

Display resolution temperature: 0.01 ℃; Time: 1min;

The power-off memory function can set the power-off recovery mode to: hot start/cold start/stop

The scheduled startup function allows for the setting of the startup time at will, and the machine will automatically run when the power is turned on

Temperature measurement body PT100 platinum resistor

The curve recording function has RAM with battery protection, which can save the set values, sampling values, and sampling time of the device; The maximum recording time is 60 days (when the sampling period is 1.5 minutes)

Software usage environment: IBM PC compatible machine, CPU with P Ⅱ or above, 128MB or above memory, Simplified Chinese Windows 2000 or Simplified Chinese Windows XP operating system

Temperature control method: anti integral saturation PID, BTC balance temperature control method (temperature testing equipment)

Safety protection device

Extreme overtemperature protection of test box

Abnormal dry burning of heating tubes in the heating system

Power leakage protection, overload and short circuit protection

Storage environment requirements: The equipment environment temperature should be maintained within 0 ℃ to+45 ℃

The installation site requires that the distance between the left, right, and rear wall panels of the test box and the wall should not be less than 600mm, and the distance between the front and the wall should not be less than 800mm. When transporting equipment, whether it is possible to enter the entrance or passage, elevator, etc., to avoid affecting the progress of your company's project.

Acceptance criteria and third-party verification

1. Acceptance criteria: Technical indicators shall be in accordance with the methods specified in the "Technical Agreement" signed by both parties.

2. Acceptance method: Formal acceptance shall be conducted on the site of the purchaser.

3. If the purchaser needs to invite a third party (verified by the National Environmental testing Equipment Quality Inspection Center and issued a valid inspection report) to participate in the acceptance before leaving the factory, the cost shall be borne by the purchaser. If the first acceptance is not qualified, the cost incurred during the second acceptance after improvement by the supplier shall be borne by the supplier.

4. The customer entrusts the National Environmental Testing Equipment Quality Inspection Center to conduct calibration on their own.