one. Salt spray composite test box body material:
1 test tank: high temperature resistant HCPP board products 10mm.
2 test tank cover: high temperature resistant HCPP material board 10mm.
3 machine shell: imported PE board products 8mm., the middle layer is made of stainless steel frame to strengthen the overall firmness and load carrying capacity of the test machine.
4 Saturated barrel: 2mmSUS#304 stainless steel plate with water level indicating device.
5 Heater: Use a specially designed corrosion-resistant titanium metal electric heating tube.
6 blower: use Japan Oriental Motor multi-wing type powerful blower.
7 Water pump: Use Japan's Ebara or ITT series of corrosion-resistant pumps.
8 solenoid valve: Japan SMC series.
9 SSR supplier: Taiwan Yang name. (SSR is a solid state relay)
two. Salt spray composite test chamber control system:
1. Control mode: Balanced temperature control and humidity control system (BTHC), PID control SSR, so that the heating and humidification amount of the system is equal to the heat and moisture loss, so it can work stably for a long time.
2, temperature and humidity controller: original Korean color imported Chinese and English interface, data and data screen display mode temperature and humidity controller, single point and programmable control, screen backlight adjustable.
1) Resolution: 0.01 ° C, 0.1% RH
2) Temperature range: -10 ° C ~ 80 ° C
3) Humidity range: 30% to 98% RH
4) Number of blocks: 120 sets of programs with 1200 segments of memory
5) Each section can set temperature, humidity and time at the same time, and can run 999 times repeatedly.
6) Program running with standby, skip, hold and other functions
7) Features such as fixed time stop and program end
8) With scheduled start and stop and fault prompt function
9) Thermometer: PT-100 2
10) The main components of each system are equipped with a safety detection interface device. When an abnormal fault occurs, the fault state is immediately displayed on the screen and the power is cut off.
11) It has the function of running cumulative time display, which can be used for machine running time and reference.
12) Program running SV curve window three. Salt spray composite test chamber box size:
(A) Test room upper cover: Made of imported PP plate, thickness 10mm.
(B) Reagent filling bucket: concealed water level table, imported PE board, thickness 6mm
(C) Laboratory basket: The imported PP impact-resistant board can be freely adjusted to the test angle of 15o and 30o.
1. If you place the test piece at a 15o angle, you can place 48 pieces.
2. If you place the test piece at 30o, you can place 30 pieces. Note: The size of the test piece is 150x70mm (HxD).
(F) Saturated air tank: Made of SUS#304 stainless steel plate, thickness 2mm, with automatic water level controller, eliminating the inconvenience of manual watering.
(G) The machine base is made of 3.0-slot steel.
four. Salt spray composite test chamber refrigeration system
1) Compressor adopts the original French import "Tai Kang brand" fully enclosed armored warrior 3P
2) Environmentally friendly snow species
3) condenser fin type with cooling fan
4) Evaporator: Titanium fin type multi-stage automatic load capacity adjustment
5) Other accessories: imported desiccant, oil separator, pressure protection switch, and other frozen accessories. Salt spray composite test box safety protection device:
1. Zero-crossing gate fluid power controller SSR2 group
2, air pollution prevention switch
3, water shortage protection switch 1 group
4, compressor high voltage protection switch
5, compressor overload protection switch
6, compressor overcurrent protection switch
7, line protection wire and live sheathed terminal
8, 16A3P overload protection 1
9, import 1P6A overload protection 1
10, water shortage protection device 1 group VI. Salt spray composite test chamber test conditions:
A According to GB, ISO, IEC, ASTM, DIN, JIS standards, spray test conditions can be set:
1 Salt spray test: NSS, ACSS test room: 35 ° C ± 1 ° C saturated air tank: 47 ° C ± 1
2 Corrosion resistance test: CASS laboratory: 50 ° C ± 1 ° C saturated air tank 63 ° C ± 1
B hot air drying test:
1 test temperature range: room temperature 10~75 °C ± 2
2 The air in the temperature chamber outside the test chamber is passed through the air heater and then into the test chamber by using a blower, thereby forming a low humidity condition in the test chamber, and the temperature of the test chamber is controlled by the heater in the temperature chamber.
C wet test:
1 Test temperature range: 30 ° C ~ 75 ° C ± 2.
2 Test humidity range: 40% RH ~ 95% RH can be adjusted.
3 The steam introduction method is adopted, and water is heated to generate water vapor, and then introduced into the test chamber through a blower. The microcomputer processor of the IPC-1000 controller, which plays a major control role, performs jog control when the humidity reaches the required value. When the humidity exceeds the value, the dry hot air is introduced to dilute the moisture, and Excess moisture is discharged to the test chamber. Electronic parallel mode micro-motion humidification system. (SSR driver)
D static ambient temperature is cooled by external air introduction to keep the temperature of the laboratory consistent with the outdoor temperature.
E meets salt spray test 35 ° C 2H drying test 60 ° C 2H humidity test 59 ° C / 90% RH4H
Satisfied: PV1210 standard VII. The main characteristics of the salt spray composite test chamber is the salt dry and wet composite corrosion test machine, also known as the cyclic cycle corrosion test machine, which is closer to the natural conditions than the traditional salt spray test machine. The environment in which a material is used usually involves both wet and dry conditions, so it makes sense to accelerate laboratory tests to simulate natural cycle conditions. The current research shows that the relative corrosion rate, structure and morphology of the salt dry-wet composite corrosion tester are more similar to the outdoor corrosion conditions. Therefore, the salt dry-wet composite corrosion test improves the outdoor corrosion of the product. The salt dry-wet composite corrosion test is to place the sample in different environmental conditions in a repetitive cycle. Simple environmental conditions can be circulated between salt spray and dry conditions. A more sophisticated automated method requires a multi-function cycle that combines moisture or atomization with salt spray, drying, and soaking functions. The salt dry-wet composite corrosion tester can be used to repeat various typical corrosive environments in a test chamber, and the most complex test cycle program can be set with a specially designed controller.
1. It is not necessary to manually move the sample from one test chamber to another.
2. Eliminate the error of test results caused by multiple sample processing.
3, do not need heavy artificial spray salt spray.
4, easy to maintain the side panels of the cabinet can be removed, easy to directly check the control components. All components are also installed in a location that is easy to inspect and maintain. Each test solution can be directly discharged, the liquid tank is convenient to clean, and the test liquid indicating device is provided. During the test, the inspection is extremely convenient. On the side of the test chamber, the top cover is easy to open, making it easy to place samples into the box. The controller has complex self-diagnosis functions, including: over temperature alarm, water shortage alarm, safety self-locking, etc...
5. Imported PP sheet structure The salt spray test box is made of strong PP sheet. This kind of material has strong corrosion resistance, reliable electrical insulation performance, long service life, anti-UV, anti-static and high temperature resistance. Cause pollution. The sturdy, thick wall and top cover have low thermal conductivity for efficient and accurate temperature control. Higher test temperatures than other test chambers.
6. Safety All electrical circuits are equipped with ordinary circuit breakers and ground circuit breakers. All heaters have electronic and mechanical overheat protection.
7. The built-in liquid storage tank test chamber is equipped with a liquid storage tank to improve space utilization and reduce maintenance. Can meet the operational needs of the test for more than three days. The reservoir is also equipped with an indispensable salt filter. The spray liquid storage tank and the immersion liquid storage tank are relatively independent, and the immersion liquid storage tank can be automatically discharged into the test tank, and the test liquid for immersion can be automatically recovered from the test tank.
8, the operation is simple to design a cycle under four conditions: spray, drying, humidity, soaking and static (normal temperature using dry function). These conditions, as well as time, temperature and humidity, can be easily controlled by the microprocessor built into the test chamber. The versatile software makes it easy for users to select programs and operations. The user can quickly add new cycle programs or perform any of the preset cycle programs. The timer can set the working time of each segment of the function program or terminate the test. The controller continuously displays the test conditions and the test process.
9. Precise control of the mist-like dispersion test chamber has superior atomization and dispersion effect compared with the conventional test chamber, and can be controlled by the speed-regulating compressor to control the delivery to the sprayer while the compressed air conditioner controls the (spray) distance. The amount of solution is corroded and the cone adjuster can be adjusted to adjust the spray size. The cone adjuster also serves to refine the spray particles.
10. The fast cycle test chamber has a unique in-tank heater and a large-capacity dry cooling fan, which can change the temperature very quickly. Its auxiliary air heater ensures dry conditions with very low humidity. Conventional water jacketed test chambers often fail to change the cycle conditions rapidly due to the large heat capacity of the water, and cannot produce low humidity conditions at all.
11. Reliability As a standard equipment, the test box has an independent alarm processing device, which can ensure the reliability of the test program, and will not cause the test condition to deviate from the standard test method due to the interference of the display, diagnosis or reminder function of the controller. .
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