LBT-YW Salt Spray Corrosion Environmental Test Chamber (Models 40, 60, 90, and 120)
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Description
Product Introduction:
A salt spray corrosion testing machine is an artificial method for simulating a salt‑spray environment. Compared with exposure tests conducted under natural atmospheric conditions, it offers significant advantages:
The corrosive environment can be controlled, ensuring excellent environmental reproducibility; test durations are significantly shortened, resulting in substantial savings of manpower, financial resources, and materials. Its development and widespread adoption have been rapid. Initially limited to simple neutral salt spray testing, it has evolved into a variety of methods, including acetate‑salt spray testing, accelerated acetate‑salt spray testing, and alternating salt spray testing. A salt spray testing chamber uses saline solutions or acidic saline solutions to subject materials or products to accelerated corrosion under specified temperature and relative humidity conditions, thereby reproducing the extent of damage they would experience over a given period. This equipment can be used to evaluate the salt‑spray corrosion resistance of materials and their protective coatings, to compare the process quality of similar protective layers, and to assess the salt‑spray corrosion resistance of certain products.
Salt spray test reference:
GB/T 2423.17-2008, GB/T 2423.18-2000, GB/T 10125-1997, GB/T 10587-2006, GB 10593.2-1990, GB/T 1765-1979, GB/T 1771-2007, GB/T 12967.3-2008, GB/T 5170.8-2008, as well as equivalent standards from IEC, MIL, DIN, ASTM, and other relevant specifications.
Product Features:
1. Cabinet Material: Both the inner and outer cabinets of this unit are constructed from Grade A gray PVC, imported from Germany, which is resistant to high temperature, high humidity, and severe corrosion (5 mm thick). The cabinet is fabricated using a ring‑belt reinforcement technique, resulting in a robust, deformation‑free structure suitable for a variety of test specifications, including salt spray and copper acetate tests.
2. Reagent Refill Bottle: A concealed, integrated reagent refill bottle that is easy to clean and convenient to operate.
3. Pressure‑saturated tank: Made from Grade A gray PVC imported from Germany, it features a canister‑shaped design that withstands high temperatures, high humidity, high pressure, and severe corrosion, while remaining rust‑free—eliminating the long‑standing issue of stainless steel corroding over time.
4. Laboratory specimen rack: Constructed from high‑quality German‑imported gray PVC, it features a refined “V”‑shaped profile that pairs with 10‑mm‑diameter carbon‑fiber “O”‑shaped rods, enabling the test specimen to be positioned at any angle between 15° and 30°. The specimen rack employs a planar indexing design, allowing for arbitrary angle adjustment; fog distribution is uniform on all four sides, ensuring consistent exposure and accurate test results, while accommodating a large number of samples.
5. Laboratory cover: A 5 mm‑thick, high‑toughness transparent acrylic sheet is employed, shaped into a 100° ridge‑type transparent lid using a physical bending process. This design allows any condensation or mist remaining on the cover to slide down the side walls and collect in the sealing groove, preventing drips from contaminating the test specimen.
6. Equipped with self‑diagnosis and self‑testing functions, it is the ideal choice for achieving twice the results with half the effort.
7. Fully digital circuit design ensures precise temperature control; it utilizes imported electrical components, features a well‑thought‑out wiring layout, offers a long service life, and provides comprehensive testing functions.
8. Equipped with automatic and manual water‑addition functions; when the water level is insufficient, it automatically replenishes the water without interrupting the test.
9. Equipped with a power‑outage memory function, it resumes the test at the original timing once power is restored, and features dual over‑temperature protection and low‑water level alerts to ensure safe operation. 10. The mist‑sealing groove employs an environmentally friendly water‑seal design to prevent mist from escaping.
11. The spray tower is equipped with a conical atomizer, which guides the mist, adjusts the spray volume, and ensures uniform droplet distribution.
12. The instrument features an ergonomic design, an aesthetically pleasing appearance, and user-friendly operation; it also emits an audible alarm upon completion.
Technical Specifications:
| Product model | Type 40 | Type 60 | Type 90 | Type 120 |
| Inner box dimensions (mm) | 400×350×300 | 600×400×450 | 900×500×600 | 1200x1000x500 |
| Outer carton dimensions (mm) | 880×475×630 | 1150×680×612 | 1420×880×1280 | 2000x1250x1250 |
| Laboratory temperature | Salt Spray Test: NSS and ACSS test chambers—35°C ± 1°C. Corrosion resistance test: CASS chamber: 50°C ± 1°C. |
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| Pressure tank temperature | Salt spray test: NSS, ACSS; pressure air tank: 47°C ± 1°C. Corrosion resistance test: CASS; pressure air tank: 63°C ± 1°C. |
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| Spraying method | 1. The Bernoulli principle draws in saline solution and then atomizes it, ensuring uniform atomization with no risk of clogging or crystallization, thereby guaranteeing continuous testing. 2. The nozzle is made of tempered glass, allowing precise adjustment of both spray volume and spray angle. It features a high‑precision crystal‑grade glass tip (PYREX) that is guaranteed to remain free from crystallization‑induced blockages for 10,000 hours. 3. The spray rate is adjustable from 1 to 2 mL/h (measured according to the standard of 16 hours, with the average calculated per 80 cm²/h). The graduated cylinder is mounted in a recessed design, offering a sleek, tidy appearance, convenient operation and observation, and minimizing the instrument’s footprint. |
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| Heating system | It employs direct heating, ensuring rapid temperature rise and minimizing standby time. Once the set temperature is reached, it automatically switches to constant‑temperature mode, delivering precise control while consuming minimal power. The heating element is made of pure titanium, offering excellent resistance to acid and alkali corrosion and a long service life. | |||
| Control system | 1. It employs a Freescale (Motorola) 32-bit automotive-grade high-speed processor, offering stable and reliable performance. 2. Equipped with an LCD digital display and a user-friendly interface, all parameters are clearly visible at a glance. 3. Low-water-level and over-temperature alarms, with multiple layers of over-temperature protection, ensure safe operation. 4. Uses a pure silver-contact relay with a lifespan of up to 5,000,000 operations. 5. Timer: Adjustable from 0.1 s to 999,999 hours. The desired experiment duration can be set arbitrarily, and the device automatically shuts off upon completion. 6. The system offers a choice between fully automatic and manual control modes, significantly enhancing experimental accuracy. 7. The PID temperature control system features a built-in calibration mode with an accuracy of ±0.5°C, facilitating verification and metering. 8. Upon completion of the test, the system is equipped with an automatic defogging device, enabling clear observation of the specimens within the test chamber. |
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