国产一级a毛一级a看免费视频,久久久久久国产一级AV片,免费一级做a爰片久久毛片潮,国产精品女人精品久久久天天,99久久久无码国产精品免费了

Product Introduction:
  SG-8021 Numerical show Vibration C*ting Box is made in the biochemical basis of improvements, it can be used as biological incubator can also be used for shaking culture, biochemical oscillation spaces in synthesis. Can be widely used in the study of biological , genetic, viral medicine, environmental protection, food, petroleum, chemical research, education and production training for preparation of precision laboratory equipment essential。this series of products using advanced temperature control system, LED display. High precision temperature control, temperature adjustment is convenient, accurate visual indication, superior performance and reliable. Incubator known as the whole temperature oscillation oscillator, using high-quality closed compressor, cooling capacity, box fans and equipment with forced air convection, temperature distribution more uniform。
　  This series of products applicable to environmental protection, health education, sanitation and epidemic prevention, drug testing, animal and plant science, marine science and food engineering research, production department, is the analysis of BOD determination of water, bacteria, viruses, fungi, microbial culture preservation, plant c*tion , breeding experiments with constant temperature equipment dedicated oscillator。

Features:
◇ spray steel shell, stainless steel liner, polyurethane foam insulation
◇ vacuum glass observation windows, lighting
◇ microcomputer control, digital display and high precision.
◇ unique stainless steel loop wind tunnel, forced air circulation, temperature uniformity
Technical parameters
一、SG-8021A Numerical show Vibration C*ting Box
1, temperature range （Range of Temperature Control） :5-50 ℃
2, precision （Precision）: ≤ ± 0.5 ℃
3, capacity （volume）: 150L
4, heating power （W Heating Power）: 100
5, cooling power （W Cooling Power）: 130
6, the oscillation frequency （Frequency of Vibration） :0-300rpm
7, the oscillation amplitude （range of Vibration）: 20 mm
8 Dimensions （Shape Size）: length × width × height 63 × 55 × 142 cm
9, the number of oscillation groups: a group of
10, Remarks Remarks: Digital temperature control
二、SG-8021B
1, temperature range （Range of Temperature Control） :5-50 ℃
2, precision （Precision）: ≤ ± 0.5 ℃
3 capacity （volume）: 250L
4, heating power （W Heating Power）: 150
5, cooling power （W Cooling Power）: 160
6, the oscillation frequency （Frequency of Vibration） :0-300rpm
7, the oscillation amplitude （range of Vibration）: 20 mm
8 Dimensions （Shape Size）: length × width × height 63 × 55 × 156cm
9, the number of oscillation groups: a group of
10, Remarks Remarks: Digital temperature control