Function:
The compound salt spray corrosion test simulates and increases the environment of being exposed to salt spray pollution and accelerating corrosion outdoors. It simulates the conditions commonly encountered in the natural environment and tests under harsh conditions several times that of the natural environment, such as salt spray, dryness, humidity, and room temperature static environment. The tests can be performed in any order or individually. The main test products are for products used in drastic environmental changes, such as automobile and motorcycle parts, aviation equipment, photographic equipment, building materials, electroplating coatings, and electronic and electrical systems. The electrochemical corrosion resistance of metals is applicable.
How it Works:
The working mode adopts dry and wet, salt spray separate control mode. When the machine is conducting salt spray test, the dry and wet control box will be automatically closed. When dry and wet experiments are required, the controller will automatically switch to the dry and wet control box, and automatically stop the salt spray test. It can control periodic spray or continuous spray to achieve dry, wet heat, salt spray, and condensed water circulation automatic operation; the spray principle adopts peristaltic pump water supply, and the fine atomization nozzle will atomize the salt water and evenly scatter it into the test space.
3. Test sample restrictions
This test equipment prohibits the test of flammable, explosive, and volatile material samples; the test of storing highly corrosive material samples, the test of storing biological samples, and the test and storage of strong electromagnetic emission source samples!!!
Overview of the Main Functions of the Device:
The composite salt spray composite test machine has the entire inner box space with corrosion resistance. The inner box is made of corrosion-resistant materials and has excellent thermal insulation performance. The equipment includes a sample test bracket, which can meet the requirements of placing test products of different specifications for testing. In addition, the equipment also has the following functions:
(1) It has an emergency braking function. A brake switch is installed on the equipment. When an abnormal situation occurs, the equipment can be powered off by controlling the switch.
(2) The equipment is equipped with corresponding system software. The software can run stably on the provided operating system. The software interface is in Chinese or English and has no service life limit. The software includes temperature change test, humidity, accuracy calibration part, and equipment self-test module part.
(3) The system software can record, automatically save, and optimize data in real time. The temperature-time, humidity-time and other curves can be drawn through software settings.
(4) The system software is equipped with a safety protection parameter interface, and after the setting is completed, it will be given priority during the test process to ensure the safety of the test.
(5) The system software can achieve the function of test data security protection. The software has administrator function and can limit the operation rights of general operators.
(6) The system software has post-data processing function and can support the import of multiple data files, support data screening, and support any X-axis.
Product Details：
Major Specifications:
| Product name | Walk-in composite salt spray test chamber |
| Product model | CZ -28000D |
| Specimen restrictions |
本试验设备禁止： This test equipment prohibits: Testing or storing samples of flammable, explosive, and volatile substances Testing or storing samples of corrosive substances Testing or storing biological samples Testing or storing samples of strong electromagnetic emission sources Testing and storing samples of radioactive substances Testing and storing samples of highly toxic substances Testing and storing samples that may produce highly toxic substances during testing or storage |
| Nominal content volume | 28m³
Note: does not include the top sloping roof volume |
| Inner box size (mm) | 2000×2000×7000 W×H×D
Note: does not include the top sloping roof height; the top sloping roof angle is 110° and the sloping roof height is 670mm |
| Outer box size (mm) | About 3200×3050×7300 W×H×D |
| Size of salt water tank (mm) | Φ1000*H1050 |
| Net weight of equipment | About 3600kg |
| Load bearing capacity of equipment | ≥1000kg evenly distributed |
| Power supply | AC(380±10)V (50±0.5)Hz three-phase five-wire |
| Power supply mode | The grounding resistance of the protective ground wire is less than 4Ω; TN-S power supply or TT power supply
The user is required to configure an air or power switch of corresponding capacity for the equipment at the installation site, and this switch must be used independently for this equipment |
| Power supply capacity | Maximum power: 76.5KW
Maximum current: 91A (it is recommended that the switch capacity is not less than: 120A, the equipment is equipped with a power connection line 3 1 meter) |
| Calibration environment conditions | Ambient temperature is +25℃, relative humidity ≤85%RH, and there is no sample in the test chamber |
| Test room temperature range | 10～70℃ |
| Saturated barrel temperature range | RT+5℃~70℃ |
| Spray mode | Continuous spray, intermittent spray, program spray can be freely set |
| Humidity range |
Salt spray test cycle ≥95%RH Wet heat test cycle: 10%R.H.～98%R.H as shown
|
| IEC60068-2-30:2005 Alternating wet heat test conditions |
|
| Alternating salt spray test conditions | At 35℃ ambient temperature, 47℃ saturated barrel temperature, 5% salt water concentration spray test time 1min~999h can be set arbitrarily, then in the wet heat test temperature of 40℃±2℃, relative humidity 93%RH±2%RH, test time 1min~999h can be set arbitrarily; cycle 1~999 times can be set arbitrarily |
| Salt spray, dry alternating test | At 35℃ ambient temperature, 47℃ saturated barrel temperature, 5% salt water concentration, spray test time 1min~999h can be set arbitrarily, then switch to 15~30℃ temperature, relative humidity less than 50%RH, Drying test time can be set arbitrarily from 1min to 999h |
| Control accuracy | Temperature resolution: 0.01℃
Humidity resolution: 0.1%R.H Temperature uniformity: ≤2.0℃ Temperature deviation: ±2.0℃ Humidity deviation: ≤+2-3%R.H when ≥75%RH; Humidity deviation: ≤±5%R.H when <75%RH; Temperature fluctuation: ±0.5℃ Humidity fluctuation: ±2%R.H Note: Temperature uniformity and deviation are values measured under the condition of ambient temperature of +25℃ Humidity ≤85%R.H and no sample. |
| Heating and cooling rate | >2℃/min (under average no-load conditions throughout the process) |
| Salt spray volume | 1.0～2.0 ml/80cm²/h (average value collected for at least 16 hours) |
| PH value | Neutral 6.5～7.2, acidic 3.1～3.3 |
| Salt concentration | 5% or user-specified value |
| Noise | Less than 75db(A) (measured at 1m from the box and 1.2m from the ground) |
| Meet the test method | GB/T 2423.17/IEC 60068-2-11:1981 Basic environmental test procedures for electrical and electronic products Test Ka: Salt spray test method
GB/T 2423.18-2012/IEC 60068-2-52:1996 Basic regulations for electrical and electronic products Test》Kb: Salt spray alternation (sodium chloride solution)》 GB/T 10125-2012/IS09227-2006 “Artificial atmosphere corrosion test salt spray test” GB/T 31467.3-2015 Lithium-ion power battery packs and systems for electric vehicles Part 3 Safety requirements and test methods GB/T2423.4/IEC60068-2-30:2005 Alternating damp heat test conditions GB/T 2423.2-2008 Test B: High temperature test method; GB/T 2423.3-2006 Test Ca: Steady damp heat test; |
| Equipment meets technical standards | GB/T 10587-2006 Technical conditions for salt spray test chambers; GB/T 10586-2006 Technical conditions for damp heat test chambers
GB/T 5170.8-2008 Inspection methods for environmental test equipment for electrical and electronic products – Salt spray test equipment. |
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