振动孔式单分散气溶胶发生? 3450 (VOAG) 1 200 ?m 粒径范围单分散粒子的高精确来源(最初液滴直径测 20 400 ?m)。这种独特的气溶胶发生器使用各种溶质和溶剂形成具有统一大小、形状、密度和表面特性的固态或液态粒子、/span>
VOAG 通过控制液体射流的破碎来产生均匀的粒子。它采用恒流注射泵输送恒定量的液体 内含标准孔口用于产生小粒径粒子;可另行提供用于产生大粒径粒子的孔口、/span>
特点和优劾/span>
应用范围
所含项
可单独订购适用于大粒径粒子的其他孔叢/em>
附件
*与明尼苏达大学粒子技术实验室合作开发、/em>
技术参数:
Specifications
Vibrating Orifice Aerosol Generator Model 3450
Mode of Operation
Constant liquid feed rate through a vibrating orifice
Particle Size Range
1 to 200 ?m
Initial Droplet Diameter
20 to 400 ?m
Geometric Standard Deviation
<1.01
Particle Type
Oil and solids soluble in water or alcohol*
Particle Generation Rate
1,000 to 300,000 particles/sec (depends on particle size)
Syringe Pump
Syringe Ram Speed 0.1 × 10-4to 9.9 × 10-3cm/sec Flow Rate Selectable, 0.001 cm3/min (10-cm3syringe) to 2.2 cm3/min (60-cm3syringe) Syringe Holders Hold 10-, 20-, or 60-cm3syringes
Signal Generator
Frequency Range 1 kHz to 1 MHz
Accuracy ±1% of full scale, ±1 digit
Amplitude of Square Wave 0 to 30 V, peak-to-peak
Physical Specifications
Cabinet Size 44 cm x 37 cm x 20 cm
(17.3 in. x 14.5 in. x 7.9 in.)
Weight 16 kg (35 lb)
Drying-Column Height 60 cm (23.6 in.)
Drying-Column Material Acrylic
Orifice Material Stainless steel
Electrical Requirements 100/115/230/240 VAC, 50-60 Hz, 100 W maximum Compressed-Air Requirements
Up to 100 L/min at 207 kPa (30 psig)
*The VOAG is not suitable for use with nonsoluble solids such as polystyrene latex (PSL). To generate PSL aerosol, use TSI’s Small-Scale Powder Disperser Model 3433 with a turntable loaded with PSL.
Specifications are subject to change without notice.