I.Applications:
It is applicable to humidity testing in the medicinal, spin, food and biology and so on.
II.Feature:
1.Shelves inside the chamber are easy to detach and convenient to wash ,the henght of each shelf can also be adjusted.
2.There is a layer of toughtoned-glass offr with sealing rubber as the inner lay of the outer door for convenient observation of the in-incubator temperature.
3.High precision and large capacity humidity apparatus, which be sure the humidity quickly and low wave.
4.Compressor from French “TaiKang” .which is whole closed .The system was equipped with the function of delay-start and high/low pressure protection
III．Speclifucations:
　

Model	HWS-080	HWS-150	HWS-250	HWS-400
Mains voltage	220V, 50Hz
Temperature control range	5~50 ℃
Temperature fluctuation	± 5 ℃
Humidity control range	40~95%RH
Humidity fluctuation	± 5%RH
Consumption power	1400W	1500W	1800W	2250W
Dimensions of the working chamber	400 × 400 × 500mm	500 × 450 × 650mm	600 × 550 × 750mm	600 × 650 × 1000mm

Shanghai Jing Hong Laboratory Instrument Co.,Ltd. Founded in 1996. At the same year,we researched and developed the four famous series “DHG series Heating and Drying Oven”, “DNP series Thermostatic Incubator ”, “DZF series Vacuum Drying Oven” and “DK series Thermostatic Water Bath”. Keeping on research and development of new technique and products, we also focus on quality consciousness of the staff to improve the quality of the products. We obtained the License of production Enterprise of Medical Apparatus, the ISO9001:2000 International quality system authentication, and CE Certification since 2000. Our products are on a good sale in domestic market, and about 20% of our products are exported ,At the 2002, we invest RMB10,000,000 in purchasing lanb of 22 ma, so as to establish first project of new workshop at 7000 square meters and plate manufacturer . In this way, we can start the mass production ourselves.

At present, our products cover 8 categories, 37 varieties and 152 specifications, Our company has lots of talent staffs specialized in design, produce, sale and service. All of us are trying our best to establish the famoud brand in laboratory instruments field.