2) Biological safety functions
Personnel protection, microbial colony count ≤5CFU;
Sample protection, microbial colony count ≤5CFU;
Cross contamination protection, microbial colony count ≤2CFU.
3) Leak-proof Cabinet
If cabinet pressurized to 250Pa, Paint 25 g/L of soap solution with a paint brush, without any leakage
of soap bubbles.
4) Integrity of HEPA Filter
Scan and detect the HEPA filter, the leakage rate at any point should not be
＞
0.01%.
5) Vibration amplitude
The net vibration amplitude between frequency 20Hz and 2000KHz is no more than 5μm (rms).
6) Illumination
The average illumination is no less than 750 lux
Electrical properties
Basic insulation: between live parts and the metal shell in the AC voltage 1500V, continuous 1min
without breakdown.
Reinforced insulation: between live parts and non-metallic shell in the AC voltage 3000V, continuous
1min without breakdown.
Leakage current ≤10mA.
Grounding resistance ≤0.1Ω
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