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Equipment function summary:
1. Salt spray environment
Continuous salt spray exposure is widely used to test the corrosion resistance of components and coatings. Applications include industrial, maintenance, construction and Marine coatings; Plating and painting layers; Aerospace and military coatings, surface coatings and components, electrical and electronic systems and components.
Most of these tests, in accordance with special specifications, are widely used in relevant corrosion tests and generally run at higher temperatures, excluding drying cycles. The air required to be sprayed should be heated before entering the nozzle.
This test chamber is operated like a typical conventional salt spray during salt spray function.
· The jet solenoid valve is opened, and the compressed air is humidified through the saturator (humidity helps to maintain a stable PH concentration) and then to the nozzle.
· The saltwater corrosion solvent from the brine tank is drawn to the nozzle, where it is mixed with compressed air.
· The nozzle sprays the brine solvent and air into a corrosive mist.
· The box heater maintains the programmed box temperature.
This feature is also used for pure water mist exposure.
2. Dry environment
During the drying function, the dehumidification system is opened and the moisture in the box is discharged outside the box, while the fan works to make the indoor air go to the air heater and then into the box, thus producing low humidity conditions in the box. The temperature of the box is controlled by the box heater and the air heater. The air heater is turned off for 5 seconds before the end of the drying procedure, so that the heater channel and components near the heater do not overheat due to the blower closing.
3. Humidity environment
During the humidity function, the hot water in the humidifying tank boiler is evaporated into the box to maintain the set box humidity.
4. Condensate environment
During the condensation process, the water in the tank is heated through the tank bottom heating pipe to keep the tank at about 100% relative humidity.
5. Set up (storage) environment
The temperature of the box is automatically maintained by the box heater during the standing function. Does not produce spray, dryness, air purge, or humidity.
Standard:
GB/T5170.8, GB/T10587, GJB150.11, GB/T10125, GB/T2423.17, JIS H 8502 and other standards;
DIN50021 DIN50017 DIN50907 ISO 11977 ISO 9227 ASTM B117
ASTM G85 Specification for Automotive and other industrial Specifications:
Technical parameters:
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Inside box size(cm) |
900×600×500mm or customize |
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Outside box size(cm) |
2160*1480*1160mm |
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Temperature range |
RT ~ 80℃ |
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Humidity range |
20%-95% |
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Material |
(A) The laboratory adopts imported PP plate, which is acid and alkali resistant. (B) The outer box is imported PP plate, acid and alkali resistant. (C) The test water tank is a hidden type with water level gauge, easy to clean and not easy to break. (D) The saturated air barrel adopts SUS#304 stainless steel high pressure barrel with the best insulation effect. |
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According to customer test requirements, salt dry and wet composite test can be set |
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Salt spray test - wetting test
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(A) Saline spray laboratory: NSS, CASS (1) Laboratory: room temperature +5℃ ~ 65℃ adjustable (2) Saturated air barrel: 47 ° C ±1 ° C (B) Wetting test: (1) Temperature: 40℃ ±2℃ (2) Humidity: 93%~100% or more (2) Saturated air barrel: 47 ° C ±1 ° C (C) Drying test: (1) Temperature: 15℃~50℃ ±1℃ (2) Humidity: more than 30% |
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Air supply System
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The air pressure is 1kg/cm2 divided into two stages of adjustment, the first is the import pressure regulator with filter water function, Approximately adjust to 2-2.5kg/ cm2, the second is the imported precision pressure regulator, adjust to the pressure gauge 1kg/ cm2 pressure gauge. |
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Spray method
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1. Adopt Bernaut principle to take brine and then atomize, atomization degree is uniform, no blocking crystallization phenomenon, to ensure continuous test standards. 2. Nozzle: made of special glass nozzle, can adjust the size of spray amount and spray Angle. 3. Spray volume: adjustable 1.5± 0.5ml 80cm2/Hr (16-hour average). 4.40L large brine storage tank, 48HR continuous uninterrupted spray. 5.Spray method: continuous, intermittent, cycle optional; |
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Heating system
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Using external hot air heating method, the heating speed is fast, the standby time is reduced, the component damage rate is low. Use S.S.R to control heating power, precise temperature and low power consumption. (titanium alloy corrosion prevention tube for electric heat pipe) |
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Circuit control system
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1. The main controller adopts a 7-inch LCD man-machine interface, and the main screen can plan the test program. 2. Fixed conditions can be set for 0-999 H 59 MIN. 3. Program mode can set salt spray and wet test at the same time 4. With power off memory device, can continue to perform the rest of the program. 5. Rising and cooling can be used for rate control, and has the function of self-correcting temperature and humidity reference point. 6. Temperature and humidity sensor using DIN PT-100Ω(platinum induction). |
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Water inlet and outlet system
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Inlet and outlet system: The water intake is automatically supplemented with water, which can be automatically supplemented when the water level is too low, and can be manually supplemented with water. Acid, alkali and corrosion resistant water pump is used to increase service life and reduce drainage waiting time. All pipeline accessories are imported acid and alkali corrosion resistant components, long life. |
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Humidification system
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1. P.I.D micromotion humidification system with electronic bit mode. 2. With overheat, overflow double protection device. 3. The humidification and dehumidification systems are completely independent. 4. Water level control mining height molecular float water valve. 5. Automatic humidifying water supplement device. (The machine needs to be connected to the water source) |
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Dehumidification system |
Using refrigeration evaporator condensation dehumidification method, the humidity is stable. Bubble accelerator humidifier, humidity stabilization rate is fast. High speed return air pumping system is adopted. |
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Safety protection device
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1. With leakage power failure type no fuse protection switch. 2. Low water level protection switch. 3. Low salt solution protection switch 4. Double overtemperature protection device to prevent mechanical action or electronic action out of control. 5. Chinese indicator screen of fault point. |
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Power |
380V 15KW 50HZ MAX 30A |
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