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Constant temperature and humidity system

  1. Notion

    Constant temperature and humidity system is through a variety of technical means to a range of temperature and humidity control at a set point and allowed to volatility and regional bias a special system to meet the various environmental specification standards.

  2. Classification

     

    classificationtemperaturehumidityApplication Industry
    Laboratory normal temperature18℃-28℃45%-70%Textiles, paper, paint, and other precision manufacturing
    Cryogenic Laboratory5℃-18℃45%-70%Film preservation, pharmaceutical research, biological cultivation
    High-temperature Laboratory30℃-80℃40%-95%Electronic products, High-temperature or high temperature and humidity aging test

3.Part of the industry testing standards

sub optionpaperTextilesplasticpaintprecision manufacturing
temperature

23±1℃

20±1℃

20±1℃

23±2℃

20±0.1(0.5)℃

Relative humidity

50±2%

65±2%

50±3%50±5% 45-75%
Cycles 15~30次/h 15~30次/h 15~30次/h 15~30次/h 15~30次/h
Air flow rate ≤0.3m/s

≤0.25m/s

 ≤0.3m/s ≤0.3m/s ≤0.3m/s
New supplementary air ≥0.5m2/人.分 ≥0.5m2/人.分 ≥0.5m2/人.分 ≥0.5m2/人.分 ≥0.5m2/人.分
noise≤55dB≤55dB≤55dB≤55dB≤55dB
National standardGB10739GB6529GB/T2918GB9278
International standardISO187ISO139ISO291ISO3270

4.Planning Points

According to constant temperature and humidity Laboratory operational features: an independent system, the amount of wind, a unique air distribution, heat sealed space, etc., summed up the following planning points overall design of constant temperature and humidity

1.Safety Engineering12.Static, vibration and noise
2.Temperature and humidity control accuracy and range13.Equipment space and air-conditioned rooms
3.Clean extent requirement14.Arrangements for access routes and changing the buffer
4.Illumination requirements15.Enough space for maintenance
5.Amount heat and moisture range of the equipment16.Interior clear height and floor load
6.Air conditioning back to the wind17.Pollution, pollution and disaster prevention
7.Air pressure balance18.Installation and operating costs of the measure
8.Introduction of new wind19.Aesthetic requirements
9.Exhaust system20.Installation cost / schedule control
10.Heat preservation and insulation measures21.Operating costs
11.Configuration Facility and of power22.Maintenance & elasticity factor

 

 

 

 

 

 

 

 

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