Large salt spray test chamber

product name

Fully automatic salt spray test chamber, also known asPrecision saline spray tester

Common models

DEY-200ZD

Sample limitations

This experimental equipment prohibits:
Testing or storage of samples of flammable, explosive, and volatile substances
Testing or storage of corrosive substance samples
Testing or storage of biological samples
Testing or storage of strong electromagnetic emission source samples
Testing and storage of radioactive material samples
Testing and storage of highly toxic substance samples
Testing and storage of samples that may produce highly toxic substances during the testing or storage process

Large salt spray test chamberVolume, size, and weight

Nominal internal volume

800LExcluding the volume of the top sloping roof

Inner box size（mm）

2000×1200×600 W×H×D(Excluding the height of the sloping roof)
Note: Top oblique angle100°, sloping roof height457mm

Outer box size（mm）

make an appointment2700×1500×1500 W×H×D（mm）

Net weight of equipment

make an appointment400㎏

Large salt spray test chamberPerformance characteristics

Test environment conditions

The ambient temperature is+25℃, relative humidity≤85%RHUnder the condition of no sample in the test chamber (unless otherwise specified)

temperature range

Laboratory temperature range:RT～50℃
Temperature range of air saturation tank:RT～63℃

Temperature control performance

Temperature deviation:±1.0℃
Temperature uniformity: ≤2℃
Temperature fluctuation:±0.5℃

heating rate

laboratoryRT→+50℃≤60 min
Pressure bucketRT→+63℃≤60 min

Experimental conditions

NSSperhapsAASStest temperature35℃, saturated bucket temperature47℃, spray time1min～9999hAdjustable;
CASStest temperature50℃, saturated bucket temperature63℃, spray time1min～9999hAdjustable;
medicinePHValue:NSStest6.0～7.0 AASS/CASStest3.0～3.1
Spray solutionPHValue:NSStest6.5～7.2 AASS/CASStest3.1～3.3
Control time:1S～9999HCan be set arbitrarily
Note: The loss of carbon dioxide in the solution during spray may causepHThe change in value can be achieved through the following methods, such as heating the solution to35Only put it into the testing equipment at a temperature above ℃, or use fresh boiling water to prepare the solution to reduce the content of carbon dioxide in the solution, which can avoidpHValue change, acid test or copper accelerated salt spray test to ensure spray solutionPHValue, adjustable configuration of medicationPHValue to2.8～3.0And check the solution and/Or whether the solute meets the requirements

Salt spray deposition amount

1～2ml/h/80cm²(At least collect)16Hour, take its average)

Spray Pressure

70～170Kpa

test methodMeet standards

1) GB/T2423.17-2008/IEC 60068-2-11-1981Salt spray test method2) ASTM.B117-2009Salt spray test
3) JIS H8502Salt water spray test method
4) GB/T10125-2012/ISO 9227-2006Salt water spray test method
5) GB-T5170.8-2008Inspection methods for environmental testing equipment for electrical and electronic products-Salt spray testing equipment
6) GB-T5170.11-2008Inspection method for corrosive gas testing equipment
7) GB-T10587-2006Technical conditions for salt spray test chamber

noise

less than70db(A) (Leaving the box1mGet off the ground1.2Measurement of Rice Everywhere

Large salt spray test chamberProduct Features

Box structure layout

Surface spraying treatment

The laboratory box is importedPVCPolyethylene board(Taiwan South Asia), thickness8mmDurable temperature at85℃
The outdoor box of the test room is importedPVCPolyethylene board(Taiwan South Asia), thickness5mmDurable temperature at85℃
The laboratory sealing cover is importedPVCPolyethylene board(Taiwan South Asia)Internally strengthened processing, thickness8mm
The test drug replenishment bottle adopts a hidden water level gauge, which is easy to clean and not easy to break.
The pressure air tank adoptsSUS304#Stainless steel high-pressure resistant bucket has excellent insulation effect.
The test material rack adopts a flat indexing rack, which can adjust the angle freely to cover and receive fog on all four sides, and can accommodate a large number of samples
The sealing cover is pushed by a cylinder, and can be opened or closed by simply clicking the box cover lifting button
The laboratory seal adopts water sealing method to ensure that corrosive gases inside the box do not leak
Adopting a water electricity separation structure effectively prevents water from entering the electrical control box and damaging accessories
The whole machine is a tabletop structure with a beautiful appearance. The bottom of the box is equipped with movable casters and positioning foot cups, which can be easily moved and positioned. The laboratory seal adopts water sealing method to ensure that corrosive gases inside the box do not leak
The control box and test box are integrated, and the left and right structures are easy to operate
The whole machine is a desk type structure with a beautiful appearance. The whole machine is a desk type structure with a beautiful appearance. A Ø48mmMist exhaust hole2When installing the fog exhaust pipe, you can2A fog exhaust pipe is merged and extended outdoors, with a total fog exhaust pipe diameter of Ø63mmReserve a space with a diameter of70mmMist exhaust pipe interface, on-site connection is sufficient;

Tank cover

The laboratory sealing cover is importedPVCPolyethylene board(Taiwan South Asia), thickness8mm, made into a top100Angle sealing cover, internal reinforcement treatment, effectively preventing condensation water from dripping onto the surface of the sample during the test and affecting the test results
The box cover is equipped with an observation window, with a visible range of approximately:600mm, wide400mmTransparent tempered glass window

spray tower

In order to ensure spray uniformity and spray volume, the equipment uses air atomizing nozzle to fine atomize salt water, and then enters the conical spray tower to evenly distribute to the test space; The height of spray tower can be adjusted to achieve the purpose of precise control of spray volume. The installation position of spray tower is evenly distributed at the bottom of the test area

Spray volume collectorPRODUCT FUNCTION

The spray volume collector is installed indoors with a diameter of100mmThe size of spray volume can be monitored in real time by the conical funnel of spray. A silicone hose is installed at the bottom of the funnel and connected to the outdoor measuring cylinder to check the size of spray volume in real time and ensure the test accuracy of test samples. collector2One installation location is closer to the spray tower, while the other is farther away from the spray tower.

Heating system

Laboratory: Using titanium alloy heating tubes and steam heating method,P.I.DControl the heating amount;

brine tank

usePVCBoard production, with a total capacity of approximately25LThere is a liquid level monitoring port.

Saltwater supply system

Store the prepared salt solution in a saltwater tank and supply it to the saltwater supply container based on the water level difference. The saltwater supply container is equipped with a water level control switch valve, which automatically controls the upper limit of the water level to maintain a distance from the nozzle.

Air saturated bucket

The saturated bucket material isSUS304Stainless steel, working temperatureRT～ 63℃ adjustable; heating up time≤60 minIt can achieve automatic water replenishment and has liquid level monitoring and liquid level limit alarm functions.

drain line

Adopting acid and alkali resistant measuresPVCThe pipeline is used as a drainage pipeline, and the drainage outlet is located behind the laboratory;

Distribution control cabinet

Distribution board Distribution board, cooling fan The over temperature protector is isolated from the distribution control cabinet and valve room

Valve room

Water supply solenoid valve, spray solenoid valve, demisting solenoid valve, air saturation pressure tank, spray control valve

Power cord, drainage pipe, and fog pipe

The power supply cables and main power switch are located behind the electrical control box, and the drainage and fog pipes are located on the back of the test box, Ф48mmMist exhaust hole2One,1/2Inch drainage outlet1One.

heater

Titanium alloy armored electric heating tube (heated at the bottom of the test chamber)SUS316#Stainless steel armored heating tube (saturated drum)
Heating tube control method:SSR(Solid state relay) contactless equal period pulse width modulation

Other configurations

Mist collection cylinder 2Support (activity style)

Fog collector 2Individual (Activity based)

Air atomization nozzle 1cover

sodium chloride 2Bottle（500can/Bottle)

PHtest paper 1wrap

Connecting pipe 1cover

Plastic bucket （13L） 1individual

exhaust fitting a set

Hose Clamp 4only

measuring cup 1only

bigType salt spray test chamberSpray systemadvantage

Spray principle

Adopting Bernoulli principle to absorb saline water and then atomize it;air compressor→Primary oil-water separator→air receiver→pressure reducing valve→Main solenoid valve→Secondary oil-water separator→Saturator→Pressure regulating valve→Spray solenoid valve→Nozzle;

spray nozzle

Made of special glass material, it can control the size and angle of spray volume

Spray control

It can run manual spray or set automatic spray according to the program;

Pressure regulation

Spray pressure is0.07～0.17MpaAdjust the compressed air in two stages to0.2～0.3MPaSecondary adjustment to0.07～0.17MpaSpray pressure so that the spray pressure sprayed from the nozzle is within the specified range

Defogging control

Can run manual defogging or automatically defogging according to program settings;Compressed air is used to fill the room and then expel the indoor fog, quickly removing the fog

System tuning

The spray tower is installed on both sides of the top of the laboratory,Uniform fog falling,Adjustable spray volume1～2ml/80cm²·h (16Hourly average quantity)

Large salt spray test chambercontrol system

controller

Omron JapanE5CCDigital display temperature controller,Control the laboratory temperature and saturation tank temperature

Operation mode

Fixed value mode, timed start and stop

Setting method

English menu, button based input

display resolution

Temperature:0.1℃

timer

Digital display timer, unit: seconds, minutes, minutes, hours, ten hours switchable, larger timer9999Hour, smaller timing1second

Setting Range

Temperature: Adjust according to the operating range of the device's temperature(upper limit+5℃)

Input and control methods

KType thermocouple (armored)PIDcontrol

control mode

anti-windupPIDBTCBalanced temperature control method(Temperature testing equipment)Spray time and cycle can be set according to user's standard

Total working hours

One time accumulator can monitor the total working time of the machine,Cannot be reset to zero

Other configurations

Power cable:3rush pith(Single phase three wire)cable1Article, about3rice

Large salt spray test chamberProtectorordering instructions

5.1.Power supply section

Control circuit short-circuit protection fuse

5.2.Chamber

Upper limit temperature alarm, over temperature protection setter

heater

Heater anti dry burning device, saturated air tank heater anti dry burning device, heater short circuit and overload protection

Water supply system

Laboratory water shortage protection, saturated air tank low water level protection

environmental condition

Temperature:5℃～30℃
Relative humidity:≤85%RH
Air pressure:86kPa～106kPa

Large salt spray test chamberworking conditions

power supply

AC(220±10)V (50±0.5)HzSingle phase three wire

The grounding resistance of the protective grounding wire is less than4Ω；TN-SPower supply method orTTPower supply methodRequire users to configure corresponding capacity air or power switches for the equipment at the installation site, and this switch must be independently used for the equipment(Prohibit the use of knife switches or power sockets).

power capacity

Higher power:3.8Kw
Higher current: 18A(Recommended switch capacity not less than:25 AThe distance between the switch and the device's electrical connection is less than2.5Rice)

Equipment air source

Equipment gas consumption2m³/hThe customer needs to prepare dry and filtered anhydrous and oil-free compressed air at the customer's site, with air pressure0.4～0.8Mpa

Equipment water supplyINSTALLATION REQUIREMENTS

The salt water used in the test needs deionized water or distilled water, and the water consumption under continuous spray is about25L/Tian, the preparation of saline solution should be based on the dissolved weight5±1The unit of sodium chloride is95The water quality of the unit should meet the requirement of high conductivity (μ m)S/cm @25℃）10 ；PHprice6.5～7.2；
Heating water for laboratory and saturation tank, filtration and softening device for water supply pipeline, water supply pressure0.～0.4MpaThe water consumption is approximately40L/24h

Spray solvent

The equipment is equipped with distilled water or deionized water required for spray liquid, and the water consumption is about25L/24hContinuous spray state

Spray solute

For equipment spray liquid preparationNaClPrepare the solution according to5%Quality ratio calculation needs to be prepared properly

Equipment exhaust

The exhaust pipe of the equipment needs to be extended to a designated location outdoors, and a hole needs to be opened in the wall near the installation of the equipment to lead out to the outside. The fog exhaust pipe should not accumulate water and should be kept unobstructed with a diameter of Φ60mmThe customer specifies the location for fog removal, and the extension pipe should not exceed3To ensure that the gas is not affected by atmospheric reverse pressure, strong exhaust should be avoided at the end of the exhaust hole to prevent strong airflow inside the test chamber.

Equipment drainage

The equipment drainage pipeline needs to extend to the outside and ensure that the drainage pipeline is unobstructed. The drainage outlet may be lower than the equipment drainage outlet, and the drainage pipe diameter should be Ø1'The drainage location is specified by the customer (if the underground sewer is not made of metal material, it can be directly discharged into the underground sewer).