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>

• 产生 1 � 200 ?m 粒径范围粒子

• 粒子具有统一大小、形状、密度和表面特�?/span>

• 与各种溶质和溶剂相配

应用范围

• 单分散气溶胶发生

所含项

• 10 ?m 孔口

• 20 ?m 孔口

可单独订购适用于大粒径粒子的其他孔叢�/em>

附件

• 393520 10 ?m 孔口�?450 内置（�/span>

• 393530 20 ?m 孔口�?450 内置（�/span>

• 393540 35 ?m 孔口

• 393550 50 ?m 孔口

• 393560 100 ?m 孔口

*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.