Materials Testing
 
    Cyclic Corrosion Test Chambers

Cyclic Corrosion Test Chambers

Advanced Cyclic Corrosion

ASTM B117, ASTM G85 , ASTM D2247, ASTM D1735, ASTM B287, ASTM B368...

  • Swaying spray bar
  • Separate air conditioning unit
  • High velocity vertical air-flow

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Atmosfar 1300

Model : Atmosfar 1300

1300 Ltr (45.9 cu ft) 
Atmosfar 2600

Model : Atmosfar 2600

2600 Ltr (91.8 cu ft)


Atmosfär chambers have been specifically designed for fully automatic testing in accordance with highly demanding laboratory-accelerated corrosion tests which have become increasingly popular in some sectors of the automotive industry.


These tests are cyclic in nature and comprise of exposure under controlled and varying conditions of temperature and humidity, with intermittent spraying of a salt solution directly on to the samples under test, from a high level swaying spray bar.

Such tests include:

  • Ford CETP 00.00-L-467
  • Volvo VCS 1027,149 (ACT-1)
  • Volvo VCS 1027,1449 (ACT-2)
  • Volvo STD 423-0014
  • Volvo STD 1027,1375
  • ISO 16701
  • Scania STD 4319

 

For added flexibility, Atmosfär chambers also retain the ability to perform conventional salt spray tests and Cyclic Corrosion Tests (CCT) in accordance with a wide range of international test standards.

The air system collection tube is easily removedThe combined air dispersal and oscillating spray bar unit simply lifts out.The Atmosfär chamber is now ready for other types of corrosion testing.

 

 

Performance :

Wetting modeTemperature range
Humidity range		Adjustable from ambient to +70°C/+158°F
Fixed at 95% - 100% RH
Oscillating salt spray
mode		Temperature range
Salt spray fall-out rates		Adjustable from ambient to +50°C/+122°F
Adjustable from 5 to 10 Ltrs/m2 per hour
Conventional salt spray
mode		Temperature range
Salt spray fall-out rates		Adjustable from ambient to +50°C/+122°F
Adjustable 0.5 to 2.5 ml per 80 cm2 per hour
Drying modeTemperature range
Humidity range		Adjustable from ambient to +70°C/+158°F
Uncontrolled
Climatic mode

Temperature/humidity range

See adjacent graph

 


Features:

Swaying spray bar

Set high in the chamber, spray nozzles oscillate backwards and forwards to produce a fan shaped spray pattern that ensures test samples are ‘swept’ uniformly with spray of salt solution.

Separate air conditioning unit

Combines refrigeration and dehumidification to extend the range of temperature and humidity control (down to -20°C/-4°F or -40°C/-40°F depending on the model) under programmable control.

High velocity vertical air-flow

High velocity air, from the separate air conditioning unit, passes vertically though the test samples, evenly from top to bottom, during the climate controlled testing phase.

MAG-DRIVE™ - magnetically coupled spray bar drive system

Enables quick spray bar removal from the chamber if conventional salt spray testing is required. With no drive shaft passing through the chamber wall, there is no risk of salt solution leakage and it is safe as it will stall if the spray nozzles are obstructed.

Adjustable sample racks

Accommodates variable thickness test panels up to 6mm/0.25” thick. Angle adjustment from vertical to up to 20° from vertical depending on test panel thickness. Design minimizes standing moisture accumulation.

 Standards

ASTM D2247, ASTM D1735, GM4465P, ASTM B117, ASTM B287, ASTM B368, ASTM G43, ASTM G85 annex A1, ASTM G85 annex A2, ASTM G85 annex A3, ASTM G85 annex A4, ASTM G85 annex A5, ASTM G5894, GM4298P, MIL-STD-202,  MIL-STD-750 method 1046, MIL-STD-810G, GMW14872

Optional accessories

ASCOTT CR4 GRADE STEEL CORROSION TEST PANELS
70mm x 150mm X 1mm

Ascott CR4 Steel Test panels are used to check the reproducibility and repeatability of the test results for Salt Spray or Cyclic Corrosion Test Chambers, before being used to run ISO 9227 or VDA 233-102