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|Corrosionbox improves comparison with outdoor results|
Worldwide, materials used by manufacturing industry are exposed to natural or industrial corrosion in shape of salt fog, humidity, smoke and vehicle exhaust. Laboratory corrosion tests are used extensively for selection of materials and their surface protection.
Corrosionbox chambers are what you need to predict corrosion resistance of materials such as paints and coatings.
|National and international Standards|
|In order to generate reliable and comparable results, a large number of test methods and international standards have been developed and are relied upon as reference for test execution.|
|Most popular tests:|
|Salt spray tests||Condensation tests||
Cyclic corrosion tests
(some options required)
|DIN 50021 (SS, ASS, CASS)|
ASTM B 117
DEF 1053 M24
ISO 9227 (AASS, ASS, CASS)
ASTM D 2247
ASTM G85 98 annex 4
ASTM G85 98 annex 5
|Salt Spray Test|
A corrosive solution is turned into a vapour mist through a nozzle located in the centre of the chamber. A fog diffusing tower distributes the fog over the entire test zone. The compressed air required for fog production is heated and saturated with moisture in a pressurized humidifier before it reaches the nozzle.
One or more heating elements, depending on chamber capacity, ensure uniform temperature in the test chamber. Exhaust solution collected in the bottom of test chamber is drained away through a drain to the floor.
Salt spray test can be executed with all chamber models.
|Condensation Water Test|
Test chamber bottom is filled with demineralised water. Water is heated and evaporates condensing on the surface of samples. Chamber temperature is 40 °C.
Continuous condensation test can be executed with all chamber models.
|Cyclic Corrosion Test|
A large number of cyclic corrosion tests are made possible by combining salt spray environment with condensation humidity and air drying . Cyclic corrosion testing has become increasingly necessary in recent years. Dry Corrosion is one of the most popular cyclic tests alternating salt spray and air drying.
Cyclic tests can be executed with all enhanced model chambers. Depending on cycle-type some options have to be installed during chamber manufacturing.
Chamber structure is overall 10mm thick Polypropylene. Option in PPS plastics to meet CSA flam test. Test chamber is insulated with a double wall. Access to the test chamber is made via the pivoting cover.
Control panel and all necessary control devices are on the right side in ergonomic position. The Salt solution storage tank is on the left side.
The electrical board is completely enclosed in a dedicated zone: next to it we find the electro-valves, humidifier and salt solution dosing pump zone. Each part is of easy access for simple and fast maintenance.
Absolutely easy to use. The first step for test execution is to load timer with total test time (up to 9999 hours), second is to set test chamber temperature on the controller, then press Salt spray or Condensation push-button. During the whole time of the test, the timer counts down and its display will indicate decreasing time running to test end. To inspect samples, suspend test execution pressing Salt spray or Condensation push-button, then press ventilation push-button to drain test chamber before opening it.
To resume test execution simply press Salt spray or Condensation push-button again. When timer reaches zero test execution is finished.
|Free programming, up to 15 different test programs, inputs via keyboard with soft keys and easy to use structure of the Menu. Test status is continuously displayed on the large LCD display with 4 lines of 20 characters each. Control and monitoring of test chamber and humidifier temperature, monitoring of nozzle air pressure and dosing pump RPH. Self-diagnostic including warning messages, alarm messages and safety shut down. Complete test report: chamber and humidifier temperature, nozzle air pressure and dosing pump RPH are periodically measured and stored in the controller memory together with test interruptions or alarms. By simply pressing a key a complete report of the test is printed. RS232-C interface is provided for serial printer connection.|
|Cyclic Test Options|
Enhanced model control panel allows easy programming of cyclic test combining: Salt spray, Water condensation, Dry off and Ambient condition. To perform cycling the test chamber must be completed with the following optional parts:
|Features / Models||Basic||Enhanced|
|Strong structure overall 10mm thick polyprophilene construction with built-in salt solution reservoir.||yes||yes|
|Clear cover for easy viewing of test chamber, cover is peaked to prevent dripping on samples.||yes||yes|
|Access to test chamber with pivoting cover with water seal.||yes||yes|
|Complete Spray nozzle made in plastic material, suitable for ISO 9227 AASS and CASS tests.||yes||yes|
|Fog diffuser in the centre of the test chamber allows fog uniformity.||yes||yes|
|Humidifying tower with automatic water level restoring system and temperature-controlled water heater.||yes||yes|
|Peristaltic pump for salt solution dosage.||yes||yes|
|Ergonomic control panel.||yes||yes|
|Pressure regulator for control of nozzle air pressure.||yes||yes|
|Pressure gauge for display of nozzle air pressure.||yes||no|
|Digital temperature controller of test chamber temperature.||yes||no|
|Timer to set test duration, programmable up to 9999 hours, with stopping of all functions at test end.||yes||no|
|Pilot lamp to signal lack of salt solution.||yes||no|
|Microprocessor control panel. Test status continuously displayed on a large LCD with 4 lines display for test parameters and program menu.||no||yes|
|Free programming, up to 15 different test programs, input via keyboard with soft keys and tactile feedback.||no||yes|
|Self-diagnostic, routine service reminders including warning messages and safety shut down.||no||yes|
|Complete test report: chamber test temperature, humidifier temperature, air nozzle pressure, dosing pump RPH are periodically measured and saved in the controller memory, and by simply pressing a key you can print a complete report of the test.||no||yes|
|Data transfer via RS232-C serial interface.||no||yes|
|Air and water filter to be installed on supply lines.||yes||yes|
|4 bars and 3 standard specimen holders supplied.||yes||yes|
|Technical data / Models||600l basic /enhanced||1000l basic / enhanced|
|Overall dimensions (mm)||
2010 x 760 x 1400
(W x D x H)
2400 x 1000 x 1365
(W x D x H)
Test chamber internal dimensions
(without dome area) (mm)
1300 x 650 x 710
(W x D x H)
1690 x 890 x 700
(W x D x H)
Test chamber internal volume
(without dome area) (liters)
|Salt solution reservoir capacity (liters)||130||160|
|Type of connection||1/N/PE|
|Volthage (V)||230 +- 10 % 50 Hz|
|Current consumption (A)||9||12|
|Water supply for humidifier|
|Type of water||demineralized|
|Water pressure (bar)||2-4|
|Water consumption (approximate) (litres/day)||3|
|Type of air||Filtered, oil free|
|Air pressure (bar)||4-6|
|Air consumption (approximate) (Nm3/h)||5-8|
|Test chamber temperature range (°C)||Ambient to 50|
|Humidifier temperature range (°C)||Ambient to 70|
|Test panel racks||3||4|
|Air filter and pipe (4 m)||yes||yes|
|Water filter and pipe (4 m)||yes||yes|