High and low temperature low pressure test chamber use conditions

High and low temperature low pressure test chamber use conditions

One of the conditions for use of high and low temperature low pressure test chamber : environmental conditions a, temperature: 15 ° C ~ 35 ° C;

b, relative humidity: no more than 85%;

c, atmospheric pressure: 80kPa ~ 106kPa

d, no strong vibration around, no corrosive gas;

e, no direct sunlight or other direct radiation from cold and heat sources;

f, there is no strong airflow around, when the surrounding air needs to flow, the airflow should not be directly blown onto the box;

g, the influence of the magnetic field around the control circuit of the interference-free test chamber;

h, no high concentration of dust and corrosive substances around.

High temperature and low pressure test chamber use conditions: power supply conditions a, AC voltage: 220V ± 22V or 380V ± 38V;

b, frequency: 50HZ ± 0.5HZ.

High-low temperature and low pressure test chamber use condition 3: Water supply conditions should use tap water or circulating water that meets the following conditions:

a, water temperature: not higher than 30 ° C;

b, water pressure: 0.1MPa ~ 0.3MPa;

c. Water quality: in line with industrial water standards.

High-low temperature and low pressure test chamber use condition 4: Test load condition The load of the test chamber should meet the following conditions:

a, the total mass of the load is not more than 80KG per cubic meter of studio volume

b, the total volume of the load is not greater than 5/1 of the studio volume

c. In any section perpendicular to the dominant wind direction, the sum of the load areas should be no more than 3/1 of the cross-sectional area of ​​the working chamber, and the flow of the airflow should not be blocked when the load is placed.

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