I: Operating Range 1.1 Running conditions 220V~240V / 50Hz ~ 60Hz 1.2 Operating temperature range: 15-35℃ 1.3 Operating humidity range ≤85% II Parameter and Function 2.1 Materials 2.1.1 Configuration: Constituted of cold steel finished with electrostatic coating 2.1.3 Main units connected flexibly with features of small tremble and low noise 2.1.4 The whole configuration more reasonable and ergonomic 2. 2 Blower 2.3.1 Blower fan bearing unlimited speed gear 2.3.2 Centrifugal fan, low noise and energy consumption, capable of functioning without maintenance 2.3 Airflow Velocity 2.3.1 Vertical laminar flow speed: 0.75m/ s ~ 1m/s 2.3.2 A ir velocity of blower: adjustable 2.4 Lighting >1000lux 2.5 External Size （ L* W* H ） : 1200x800x2350mm 2.5 External Size （ L* W* H ） : 1200x800x2350mm 2.6 Noise: <60 dB 2.7 Stability : The core part of work surface can stand more than 23kg pressure without permanent distortion III Configure 3.1 Main Unit 3.2 Light 3.3 Power cord 3.4 Exhaust Pipe and Blower Ⅴ Certificate ISO9001 ISO14001 ISO13485