Instruments
In-cabinet Exposure Condensation Chamber

BGD 876 In-cabinet Exposure Condensation Chamber is designed according to ISO 6270-2Paints and varnishes -- Determination of resistance to humidity -- Part 2: Condensation (in-cabinet exposure with heated water reservoir). This standard is different with Part 1Continuous condensation , but defines three cyclic programCHCondensation atmosphere with constant humidity, AHTCondensation atmosphere with alternating humidity and air temperature,ATCondensation atmosphere with alternating air temperature to simulate different humidity environment.

It can give much better supplements and explanation for corrosion degree and defect types of coating used in different environment. Comparing to Part 1---single-sided exposure, this method add a condensation atmosphere with alternating humidity and air temperature, and mainly used to evaluate paints anti-corrosion ability under different environment.   


Condensation Test Atmospheres


Test   Atmosphere

Cycle   Duration

Conditions   in working chamber after reaching equilibrium

Type

Code

Test Periods

Total

Air   Temperature

Relative   Humdity

Constant-humidity   condensation atmosphere

CH

From warm-up to end of   exposure

---

40±3

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

 

Approx.100% with   condensation on test specimens

16h including cooling-d

18 to 28

Approaching ambient

With alternation   of air temperature

AT

8h including warm-up

24h

40±3

Approx.100% with   condensation on test specimens

16h including cooling   downchamber   closed

18 to 28

Approx.100%approximately saturated



 Designed with automatic ventilator, can control chamber ventilation automatically.

 Operator can set three different working conditionshumidification, 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.


bgd 876-01.jpg


Operation Menu

 


Main Technical Parameters

Test Specimens Capacity:20 pcs(150mm×70mm standard size)

Temperature Range of Working Room:RT~60°(Dry or condensation)

Overall Size:800mm×750mm×1420mm(L×W×H)

Weight:180kg

Power:220V 50HZ;Max. power of machine:2.0KW

Ordering Information:BGD 876--In-cabinet Exposure Condensation Chamber


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