Walk-In Temperature Humidity Chamber for Extreme Environmental Testing

Test Space

600L

Internal size

800*800*950mm (W*D*H)

External size

1090mm*1960mm*1995mm(W*D*H)

Power supply

AC380V±10%,50Hz±1,60A, 3/N/PE, earth resistance < 4Ω

Max. Power

60KW(normal 35KW)

Max. Currency

100A(normal 30A)

Cooling Method

Water -Cooled(Cooling system)

Installation Site

• Work station ground should be flat, good ventilation; no flammable article, corrosive gas or dust
• No strong electromagnetic radiation source nearby
• Close to drainage system ( within 2 meters for condensate water)
• The ground bearing capacity not less than 15000kg/m2
• Prepare proper power supply and water supply
• If need water or gas supply, should be equipped with in advance
• Ambient Temp: 5℃~25℃suggested, 25℃~35℃ function well;(for air-cooled model);5℃～40℃ function well (for water-cooled model)
• Ambient Humid:≤85%RH
• Ambient Pressure:86KPa～106KPa
• Installation space assurances, as following

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Cooling Water

Water temperature: 5℃≤ water temp.s ≤28℃.If the source of water is air conditioning chilled water, it’s temp is lower than 10℃ ,need to take some measures preventing pipe condensing water.

1.If adopt the design of the wind cooling, do not need water cooling

2.If user need build new cooling water circulation system.Cooling tower standard≥10tons, or Water chiller refrigerating capacity≥35KW(20℃)

3.Cooling water system :GB50050-1995

Water flow:≥ 10tons/hour

Pipe diameter:G2.5 inch ×2

Inlet water pressure:0.3MPa～0.6MPa

water pressure difference inlet and outlet:≥0.2MPa

Water request:meet standard GB50050-1995

Temp Test

Temp.Range:-70℃～＋180℃

Note:

1.Test with no load, meeting GB/T5170-2008, if no other special notice.

2.Ambient Temp 25℃, good ventilation condition: function well if 35℃≥RT＞25℃;Cool down rate and thermal load capacity will be affected by ambient low temperature.

Temp Fluctuation:±0.1℃～±0.5℃

Temperature Uniformity:±0.5℃～±1.0℃(empty)

Temp Deviation :±0.1℃～±0.5℃

Temp Gradient:＜2.0℃

Linear temperature change rate -

-40℃～＋125℃,11℃/min,with load of 5kg of PCBs

Nonlinear temperature change rate:15℃/min

Test Standards

1.GB/T 2423.1 Low Temp. Test

4.GJB 150.3 High Temp. Test

 2.GB/T 2423.2 High Temp. Test

5.GJB 150.4 Low Temp. Test

       3.GB/T2423.22 (Temp. Cycling Test)

                   6.IEC 60068-2 (Temp. Test)

Load Thermal Capacity Chart

Apply to standard temperature test, the thermal capacity for loading varies from different temperature value.

Structure Mode

• Unitary.Test room is on the top, refrigerator is in the bottom; Power distribution control in the back.
• Main control panel in the front door, and the extended one is on the right-back side.
• Door opens from right to left. Air circulation channel and air conditioning system are at the back of test space:(centrifugal fan blade,air flow guiding device,heater,humidifier,Refrigeration heat exchanger,Temp and humidity sensing device.

Composition

• Exterior material: Both sides static coated cold rolled steel
• Interior material: SUS304 Stainless steel
• Insulation material: Rigid polyurethane foam insulation layer

Load-bearing

• Shelves load capacity:≤50Kg(averagely loaded)
• Test case frame bearing capacity:≤20Kg(averagely loaded)
• Test space total load weight(shelves and bottom)≤80kg

Chamber door

• Single door with hinges on the left;
• Door size:800×950 mm(W×H);
• Silicon rubber equipped and heating system inside for anti-condensation;

Observation window

Size:280×400mm(W×H), coated heating anti frost hollow glass

Cable ports

2 ports with Φ50 mm on left and right sides, with screw caps and Soft silicone plugs.

Headlamp

In the observation window

Shelves

2 shelves inside for samples; height adjustable

Drain Holes

Condensate water drain holes for condensate water outside

Spill Port

Located at the back of case for condensate water discharging

Mobile Castors

Strong adjustable wheels

Separate Design Of Water/Electricity

Humidity system and electric control system are separated for safety(patent no.:ZL201220245236.8)