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1、 Equipment Introduction:

1. This product uses a fluorescent ultraviolet lamp that can simulate the UV spectrum in sunlight well, and combines temperature control and other devices to simulate the discoloration, brightness, and intensity reduction of the material; 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 ultraviolet light and temperature, weaken or fail the single light resistance or temperature resistance of materials. Therefore, it is widely used for evaluating the weather resistance of materials, and the corrosion of metal materials without protection is influenced by many environmental factors, mainly depending on the type of metal material and the type of environment.

It is impossible to design a laboratory accelerated corrosion test room that includes all environmental factors that affect corrosion resistance. Therefore, it is necessary to simulate the factors that play a major role in the corrosion of metal materials to design laboratory tests. This device is designed to simulate and increase the impact of the environment on metal materials exposed to salt contaminated outdoor atmospheres that can accelerate corrosion. The equipment includes a test method for cyclically exposing the sample to salt spray, dry, and humid environments. This equipment test is a comparative test, and the test results cannot predict the long-term corrosion resistance of the same metal material used under these environmental conditions. However, this method can still provide valuable information on the relevant properties of materials exposed to salt contaminated environments similar to the experimental conditions.

Compared with traditional accelerated corrosion tests such as neutral salt spray test (NSS), acetic acid salt spray test (AASS), and copper accelerated acetic acid salt spray test (CASS), the advantage of this equipment test is that it can better reproduce corrosion that occurs in outdoor salt polluted environments.

2. This equipment is suitable for accelerated corrosion testing of metals and their alloys, metal coatings (anodic and cathodic), conversion coatings, anodic oxidation coatings, organic coatings on metal materials, etc

3. Using fluorescent ultraviolet lamps that can simulate the UV spectrum in sunlight well, combined with 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 ultraviolet 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.

2、 Advantages of UV salt spray comprehensive testing machine:

TEMI 880 Color Touchscreen Controller

Affordable prices and budget savings for users

Can be specially designed according to different customer needs

Electronic temperature sensor, high precision, low maintenance

According to the installation location of the customer, it can be manually or automatically refilled with water, making it easy to use

The greenhouse and laboratory are independent, connected through a damper control, with a complete structure and easier maintenance

Energy saving design, controlled separately according to different experiments

It can perform salt spray neutrality test, corrosion resistance test, humidity test, static test separately, as well as salt spray and static mixed test, with automatic control

Manual spray, manual demisting, automatic cycle spray, continuous spray, and timed spray

No need to move the product, it can achieve automatic cyclic testing of salt spray, wet heat, and drying, making it easy to use

Long term stable operation

3、 Performance indicators and system components of UV salt spray comprehensive testing machine:

Project Description

Product Name: UV Salt Spray Comprehensive Testing Machine

Model GC-ZYZ-1000B

Sample restrictions: This testing equipment prohibits the testing of flammable, explosive, and volatile substance samples; Testing for storing samples of corrosive substances, testing for storing organisms, testing and storing samples of strong electromagnetic emission sources

Volume, weight, and size

Nominal internal volume 1000L

The effective size of the inner box is 1000 × 1000 × 1000 (mm) W × H × D

The external space is approximately 2550 × 1653 × 1530 (mm) W × H × D (see figure)

Weight 650kg

Work noise ≤ 75db, measured in the air at a distance of 1 meter from the front of the machine and 1.2 meters from the ground

Maximum power 30KW

Maximum current 4*

Power supply conditions and sources

AC380V three-phase four wire+protective grounding

Voltage allowable fluctuation range: ± 10% V

Allowable frequency fluctuation range: (50 ± 0.5) Hz

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 pointer

Functional requirements 1. (Air) Indoor space heating, ultraviolet lighting, humidification, spray, demisting;

2. According to the temperature, humidity and salt fog settings, the indoor space reaches the set temperature, humidity and spray volume

3. Each function can be operated independently

Meet the testing standards

Test Method GB-T5170.8-2008_ Inspection Method for Environmental testing Equipment of Electrical and Electronic Products _ Salt Spray Testing Equipment

GBT2424.17-2008 Salt Spray Test Method

GB-T2423.18-2000 Test Method for Sodium Chloride Alternating Salt Spray

GB/T16422.3-1997 Part 3 Fluorescent UV lamps

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

Section 10.10 of IEC61215: UV weather resistance test

Temperature and humidity range

Temperature and humidity range laboratory temperature: RT～ 70℃

Pressure bucket temperature: RT～ 63℃

Relative humidity ≥ 85% HR

Control accuracy Temperature resolution: 0.01 ℃ Humidity resolution: 0.1% R.H

Temperature deviation: ± 1.0 ℃ Humidity deviation: ±2%R.H

Temperature uniformity: ± 2 ℃ Humidity uniformity ± 3% R.H

Temperature fluctuation: ± 0.5 ℃ Humidity fluctuation: ±2%R.H

Heating rate RT →+85 ℃ ≤ 35 min

Experimental conditions Laboratory temperature: RT~85 ℃ can be set arbitrarily (salt spray corrosion test 35 ℃± 1 ℃/50 ℃± 1 ℃)

Pressure bucket temperature: 47 ℃± 1 ℃/63 ℃± 1 ℃

Spray volume 1.0~2.0 m1/80cm&sup2/ H (Collect for at least 16 hours and take the average)

Relative humidity: ≥ 85%HR

Salt water concentration: 5% or concentration of 5% plus 0.26 grams of copper chloride (CuCl2 2H2O)

Spray pressure: 1.00 ± 0.01kgf/cm²

PH value: Neutral test 6.5-7.2 Acid test 3.0-3.3

Installation angle of sample plate: 15 °~30 °

UV performance indicators

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 room temperature~60 ℃

Main lighting parameters temperature resolution: 0.01 ℃

Temperature deviation: ±1℃                    

Temperature uniformity: 2 ℃

Temperature fluctuation: ± 0.5 ℃

Irradiance: 0-25W/m2

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-B lamps at the factory

The center distance of the lamp tube is 70mm

Lamp power 68W/m2

Number of light tubes: 7

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