Cyclic Condensation-water Climatic Chamber
BGD 876
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Cyclic Condensation-water Climatic Chamber
Product Description
BGD 876 Cyclic Condensation-water Climatic Chamber is designed according to ISO 6270-2 (Paints and varnishes -- Determination of resistance to humidity -- Part 2: Condensation (in-cabinet exposure with heated water reservoir). This standard is different with Part 1“Continuous condensation”, but defines three cyclic programs to simulate different humidity environments:
- CH: Condensation atmosphere with constant humidity
- AHT: Condensation atmosphere with alternating humidity and air temperature
- AT: Condensation atmosphere with alternating air temperature
It can give much better supplements and explanation for corrosion degree and defect types of coating used in different environments. In comparison to Part 1 - single-sided exposure - this method adds a condensation atmosphere with alternating humidity and air temperature, and is mainly used to evaluate paints anti-corrosion ability under different environmental conditions.
Standards
ISO 6270-2 (paints and varnishes - Determination of resistance to humidity - Part 2: Condensation (in-cabinet exposure with heated water reservoir)
Technical Specification
Condensation Test Atmospheres
| Test Atmosphere | Cycle Duration |
Conditions in working chamber after reaching equilibrium |
||||
| Type | Code | Test Period(s) | Total | Air Temperature | Relative Humidity | |
| Constant Humidity condensation atmosphere | CH | From warm-up to end of exposure | --- | 40±3°C | Approx 100% with condensation on test specimens | |
| Alternating condensation atmosphere | With alternation of humidity and air temperature | AHT | 8h including warm-up | 24h | 40±3°C | Approx 100% with condensation on test specimens |
| 16h including warm-up | 18 to 28 °C | Approaching ambient | ||||
| With alternation of air temperature | AT | 8h including warm-up | 24h | 40±3°C | Approx. 100% with condensation on test specimens | |
| 16h including cooling down (chamber closed) | 18 to 28°C | Approx. 100% (approximately saturated) | ||||
Main Technical Parameters
- Designed with automatic ventilator, can control chamber ventilation automatically
- Operator can set three different working conditions: humidification, cooling with ventilation, cooling without ventilation and its corresponding temperature & running time. Any program including total test time and cycle times can be set freely
- Automatic water supply
- Protector for water temperature ceiling
- A glass observation window is designed in chamber, operator can observe specimens test status directly
Parameters:
- Test Specimens Capacity: 20 pcs (150mm×70mm standard size)
- Temperature Range of Working Room: RTD~60º (Dry or condensation)
- Overall Size: 800mm×750mm×1420mm (L×W×H)
- Weight:180 kg
- Power: 220V 50HZ; Max. power of machine: 2.0KW
- Ordering Information: BGD 876 - Cyclic Condensation-water Climatic Chamber
