IEC60068-2-11 Salt Spray Test Chamber, Anti-corrosion Cabinet with PID Control & SUS304 Tank

Power supply

Power supply conditions and power supply

AC 220V single-phase two wire+protective grounding; Allowable voltage fluctuation range ± 10% V;

The allowable frequency fluctuation range is 50 /60± 0.5HZ; TN-S power supply or TT power supply;

The grounding resistance of protective ground wire is less than 4 Ω;

Users are required to configure air or power switches of corresponding capacity for the equipment at the installation site, and this switch must independently control the use of the equipment.

Performance index

Use environment conditions

1. The environment temperature is 5~30 ℃, and the relative humidity is ≤ 85% R.H;

2. The installation site must be flat and vibration free;

3. The equipment shall be kept away from heat sources and flammable and explosive substances;

4. The installation position shall not be directly exposed to sunlight, and the indoor air circulation shall be maintained;

5. The equipment installation site shall be clean, and shall not be installed in the place with more dust or at the dust outlet

Temperature and humidity range

Laboratory temperature: RT~ 50 ℃

Pressure barrel temperature: RT ~ 63 ℃

Relative humidity ≥ 85% R.H

Heating rate

Laboratory temperature RT →+50 ℃ ≤ 60 min

Pressure barrel temperature RT →+63 ℃ ≤ 60 min

Main technical parameters

Temperature resolution: 0.1 ℃

Temperature deviation: ± 1 ℃

Temperature uniformity: 2 ℃

Temperature fluctuation: 1 ℃

Spray volume (m1/80cm2/h) 1.0~2.0 (collect for at least 16 hours, and take the average value)

Spray pressure: 1.00 ± 0.01kgf/cm2

PH value of liquid medicine: neutral 6.0~7.0, acidic 3.0~3.1

PH value of spray solution: neutral 6.5~7.2, acidic 3.1~3.3

Control time: 1S~9999H can be set arbitrarily

Note: The loss of carbon dioxide in the solution during spraying may cause the change of pH value. The following methods can be used, such as heating the solution to more than 35 ℃ before putting it into the test equipment, or using fresh boiling water to prepare the solution to reduce the carbon dioxide content in the solution, which can avoid the change of pH value. The acid test or copper accelerated salt spray test is to ensure the pH value of the spray solution, Adjust the PH value of the solution to 2.8~3.0 and check whether the solution and/or solute meet the requirements.

Test compliance and product implementation standards

1. GB/T2423.17-2008/IEC 60068-2-11-1981 Salt Spray Test Method

2. ASTM. B117-2009 Salt Spray Test

3. JIS H8502 Salt Water Spray Test Method

4. GB/T10125-2012/ISO 9227-2006 Salt Water Spray Test Method

5. GB-T5170.8-2008 Inspection Method for Environmental Test Equipment for Electrical and Electronic Products - Salt Spray Test Equipment

6. GB-T5170.11-2008 Inspection Method for Corrosive Gas Test Equipment

7. ISO9227 Salt Spray Test

8. GB-T10587-2006 Technical Conditions for Salt Spray Test Chamber

Structure characteristics

Box structure

The laboratory adopts imported PVC polyethylene plate (South Asia, Taiwan) with a thickness of 8mm and a durable temperature of 85 ℃.

The seal cover of the laboratory is made of imported acrylic plate with a thickness of 8mm.

The reagent refill bottle adopts hidden attached water level detection, which is easy to clean and not easy to crack.

The pressure air barrel is made of SUS304 # stainless steel high pressure resistant barrel, which has the best thermal insulation effect.

The test material rack adopts a plane dividing rack, which can freely adjust the angle of falling fog and being fogged on all sides. There are many samples placed.

The sealing cover is pneumatically operated.

The laboratory is sealed with water to ensure no leakage of corrosive gas in the box.

The control box and the test box are integrated, and the left and right structures are easy to operate.

Water and electricity separation structure is adopted to effectively prevent water from entering the electrical control box and damaging accessories.

Cabinet cover

The sealing cover of the laboratory is made of imported acrylic plate with a thickness of 8mm, and the top is made into a 1000 angle sealing cover, which effectively prevents condensate from dropping onto the sample surface during the test and affecting the test results.

Control panel

Pressure gauge, main power switch.

Power distribution control cabinet

Water filling solenoid valve, spray solenoid valve, demisting solenoid valve, power distribution board, over temperature protector, air saturation pressure barrel, spray control valve.

Heating system

Water steam heating mode is adopted, and titanium alloy heating tube P.I.D controls heating to achieve temperature balance.

Water make-up system

1. Water supplement for laboratory and pressure barrel: manual and automatic water supplement control systems can be connected to the automatic control water supplement of tap water tube or the manual double water supplement mode, which is easy to use;

Note: If the tap water has too many impurities or is acidic or alkaline, a filter shall be installed at the water inlet.

2. Liquid medicine water supplement: large water tank with concealed inside is adopted, and manual water supplement is adopted.

Drainage system

Drainage valve control device, manual drainage mode.

Spray system

Adopt Bernoult principle to absorb salt water and then atomize, with uniform atomization degree;

There is no blocking crystallization phenomenon, which can ensure the standard of continuous testing;

Nozzle made of special glass;

Adjustable taper spray tower can effectively disperse spray, ensure uniform spray and control spray amount.

Spray mode

Continuous/intermittent

Air supply system

The spray pressure is adjusted by 1kg/cm2 in two stages. For the first time, the compressed air is adjusted to 2kg/cm2 and enters the saturated barrel for heating. For the second time, the spray pressure is adjusted to 1kg/cm2.

Mist exhaust system

1. Fully automatic pressure balanced mist exhaust device, which only needs to be connected with the mist exhaust tube, and automatically discharges mist according to the pressure in the box.

2. Manual demisting button switch. Just click this button before opening the test chamber cover to quickly remove indoor fog.

3. Note: The mist exhaust pipe of the machine shall be extended to the outdoor open place, and it is necessary to avoid being close to the corrosive articles to prevent the mist from the machine from corroding other articles; The extended mist exhaust pipe shall be free of wavy discounts to prevent condensate in the mist exhaust pipe from blocking the mist exhaust pipe and effectively discharging waste gas.

Electric control system

Controller

1.7” touch screen display, user-friendly interface, all information at a glance.

2. All digital multiple fault warning protection system, preventing dry burning and overtemperature.

3. It adopts high-power SSR output and imported pure silver relay contacts, with a service life of 106.

4. Multi way control mode, which can be tested in continuous/intermittent/manual/automatic mode.

5. It is equipped with manual/automatic demisting mode to ensure no leakage of salt mist, so as to avoid corrosion of the laboratory.

6. The hidden correction method ensures that the temperature is absolutely controllable.

7. With power failure memory function. In case of sudden power failure or shutdown during the experiment, the data will be saved automatically, without losing the experiment time, so as to avoid redoing the experiment.

Temperature input mode

Can be set on the touch screen

Temperature display

Display the set value and actual value of temperature.

Time displaying

Displayed on touch screen, minimum time 1 second.

Operation mode

Continuous operation/intermittent operation.

Temperature setting range

Upper and lower limit of maximum temperature range 5 ℃.

Panel display

Set temperature value, current temperature value, set time, current time, spray time, constant temperature time, over temperature abnormal indicator, water shortage abnormal indicator, operation end indicator, spray status indicator, demisting status indicator.

Temperature measuring body

PT100 platinum resistance.

Temperature control mode

Anti-integral saturation PID, BTC balanced temperature regulation control mode (temperature test equipment).

Safety protection device

Test box

Extreme overtemperature protection, water shortage protection.

Saturated barrel

Extreme overtemperature protection, water shortage protection.

Heating system

Heating pipe dry burning, abnormal water supply and drainage

Power Supply

Leakage protection, overload and short circuit protection

Storage environment requirements

The environment temperature of equipment shall be kept within 0 ℃~+45 ℃

Requirements for installation site

The distance between the left and right side and rear side wall panels of the test box and the wall shall not be less than 600mm, and the distance between the front and the wall shall not be less than 800mm. When transporting equipment, whether it can enter the doorway, passage, elevator, etc., so as to avoid affecting your project progress.

Acceptance criteria and third-party verification

1. Acceptance criteria: the 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 at the Demander's site.

3. If the Demander needs to invite a third party (verified by the National Environmental Test 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 Demander. If the first acceptance is unqualified, the expenses incurred in the second acceptance after improvement by the supplier shall be borne by the supplier.

4. The customer entrusts the National Environmental Test Equipment Quality Inspection Center for verification.