Salt Dry and wet composite corrosion testing machine_Enviromental chamber

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Salt Dry and wet composite corrosion testing machine

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The salt dry and wet composite corrosion test chamber is designed to automatically cycle in 4 states, spray, static (paused), 100% humidity and low humidity drying. Operating time and temperature variations, optional test programs are conveniently controlled by the operator using the built-in microprocessor. New loops can be quickly added or any preset program loop can be performed. The controller can continuously display test conditions and test progress, and has a sophisticated self-diagnosis function.

1, Salt spray environment

Continuous salt spray exposure is widely used to test the corrosion resistance of components and coatings. Applications include industrial, maintenance, architectural and marine coatings; plating and paint layers; Aerospace and military coatings, surfaces and components, electrical and electronic systems and components.

Most of these tests are widely used in relevant corrosion tests according to special specifications, generally operating at higher temperatures, excluding drying cycles. It is required that the ejected air should be heated before entering the nozzle.

This chamber is just like a typical conventional salt spray operation during the salt spray function.

The jet solenoid valve opens and the compressed air is humidified through a saturator (humidity helps keep the pH concentration stable) to the nozzle.

The brine corrosive solvent from the brine tank is sucked up to the nozzle, where it is mixed with compressed air.

The nozzle sprays the brine solvent and air into a corrosive mist.

The chamber heater maintains the programmed chamber temperature.

2, Dry environment

During the drying function, the dehumidification system is turned on, the moisture in the box is discharged from the box, and the fan works at the same time to make the indoor air to the air heater and then into the box, so that the low humidity conditions in the box are generated. The temperature of the cabinet is controlled by the cabinet heater and air heater. The air heater is turned off for 5 seconds before the end of the drying process so that the heater channel and near the components do not overheat due to the blower shutdown.

3, Humidity environment

During the humidity function, the hot water from the humidification tank boiler is evaporated into the box to maintain the set humidity of the box.

4, Condensate environment

During the condensation process, the water in the sink is heated by a sink heating tube at the bottom of the tank, keeping the tank at about 100% relative humidity.

5, Rest (storage) environment

During the stationary function, the temperature of the cabinet is automatically maintained by the cabinet heater. No spraying, drying, air purging, or humidity is produced.

Model	UT2065
Chamber inner size	600450600mm(W×D×H)
Outer size	225013001430mm (W×D×H)
Power	380V 7KW 50HZ MAX 30A
Material	(A) The laboratory adopts imported PP board, acid and alkali resistance. (B) The outer box is made of imported PP board, which is resistant to acid and alkali. (C) The test supplement water tank adopts a hidden attached water level meter, which is easy to clean and not easy to break. (D) The saturated air barrel adopts SUS#304 stainless steel high-pressure barrel for the best insulation effect.
Test	(A) Saline spray laboratory: NSS ACSS, CASS (1) Laboratory: 10 °C ~ 70 °C (2) Saturated air barrel: 47°C ±1°C (B) Wetting test: (1) Temperature: 40°C ±2°C (2) Humidity: 93%~100% or more (2) Saturated air barrel: 47°C ±1°C (C) Drying test: (1) Temperature: 15°C~70°C ±1°C (2) Humidity: 30% or more
Air supply system	The air pressure is 1kg/cm2 in two stages, the first is the imported pressure regulating filter with the function of filtering water, Slightly adjusted to 2-2.5kg/cm2, the second is the imported precision pressure regulator, adjusted to the pressure gauge 1kg/cm2 pressure gauge
Spray method	1. Using Bernut's principle to absorb salt water and then atomize, the degree of atomization is uniform, there is no phenomenon of blocking crystallization, and the standard of continuous testing is ensured. 2. Nozzle: made of special glass nozzle, the size of spray amount and spray angle can be adjusted. 3. Spray volume: adjustable 1.5±0.5 ml 80cm2/hr (16-hour average amount). 4. 40L large brine storage barrel, 48HR continuous uninterrupted spray.
Test control methods	1. Manual control: the sample bending test is controlled manually, and the bending angle is controlled manually during the bending process; 2. Automatic control: the bending test is automatically controlled by the equipment, the bending angle can be set, the angle is displayed from time to time during the bending process, and it will automatically stop when the bending angle reaches the set angle.
Heating system	It adopts external hot air heating method, which has a fast heating speed, reduces standby time, and has a low component damage rate. Use S.S.R to control heating power with precise temperature and low power consumption. (Electric heating pipe using titanium alloy corrosion protection tube)
Circuit control system	1. The main controller adopts 7-inch LCD man-machine interface, and the main screen can plan the test procedure. 2. FIXED CONDITIONS CAN BE SET TIME 0 - 999 H 59 MIN. 3. The program mode can set salt spray and wetting test at the same time 4. With a power-off memory device, the remaining procedures can be continued when the power is restored. 5. Rising and cooling can be used as rate control, and has the function of self-correcting temperature and humidity reference point. 6. Temperature and humidity sensor adopts DIN PT-100Ω (platinum sensing).
Inlet / drainage system	The water intake adopts an automatic water replenishment system, which automatically replenishes when the water level is too low, and can use manual water replenishment. Drainage is made of acid-resistant alkali anti-corrosion pumping pump, which increases the service life and reduces the waiting time for drainage. All pipeline fittings are imported acid-resistant and alkali-resistant anti-corrosion components, which have a long life.
Humidification system	1. P.I.D micro-motion humidification system using electronic bit method. 2. Attached with double protection device for overheating and overflow. 3. The humidification and dehumidification system are completely independent. 4. Water level control using polymer float water valve. 5. Fully automatic humidified water replenishment device. (The machine needs to be connected to the water source)
Dehumidification system	The refrigeration evaporator condensation dehumidification method is adopted, and the humidity is stable. Bubble acceleration humidifier, fast humidity stabilization rate. It adopts a high-speed return air extraction system.
Safety protection	1. Attached with leakage power off type fuse protection switch. 2. Low water level protection switch. 3. Low salt solution protection switch 4. Double over-temperature protection device to prevent mechanical action or electronic action out of control. 5. Fault point Chinese indicator screen.
Contents	1. Shelf 6pcs 2. standard measuring cylinders 2 pcs 3. glass filters 2 pcs 4. Collector 80cm2 2 pcs 5. glass nozzles 2 pcs 6. Test solution sodium chloride (NACL) 500 g 2 bottles