TDA-4B lite有3個(gè)Laskin噴嘴，當(dāng)它在20PSIG壓力輸出時(shí)，被流量為405立方英尺的空氣稀釋時(shí)，氣體濃度是100微克/升左右。二個(gè)閥允許儀器可以在1-3個(gè)噴嘴之間操作，提供一個(gè)寬范圍的空氣懸浮粒子濃度。
TDA-4Blite 空氣懸浮粒子發(fā)生器
TDA-4Blite 空氣懸浮粒子發(fā)生器描述
ATI制作便攜式的Laskin Nozzle產(chǎn)塵型懸浮粒子發(fā)生器能產(chǎn)生次微米的多種直徑的油霧懸浮粒子，當(dāng)系統(tǒng)中的流量在50 到 8,100 立方英尺每分鐘之間（壓力在20 psig下）時(shí)，濃度范圍為10 到100 微克/升。
TDA-4Blite 空氣懸浮粒子發(fā)生器和氣溶膠光度計(jì)被用于高效的空氣過(guò)濾系統(tǒng)中完整性測(cè)試或查找泄露源測(cè)試。過(guò)濾器制造商用這個(gè)設(shè)備去掃描ULPA和HELP（超高效，高效）過(guò)濾器去驗(yàn)證它們的產(chǎn)品。過(guò)濾器論證商用這個(gè)設(shè)備去確認(rèn)過(guò)濾器有沒(méi)有在運(yùn)輸中損壞和是否*正確的被安裝并沒(méi)有任何泄露。
在合適的懸浮粒子發(fā)生器和光度計(jì)的結(jié)合下，過(guò)濾器的一些不足，象針孔，薄點(diǎn)，墊圈泄露，結(jié)構(gòu)泄露或密封問(wèn)題都能迅速并且定量的測(cè)到加以修正從而保護(hù)產(chǎn)品和人員。
TDA-4B和TDA-4Blite 空氣懸浮粒子發(fā)生器功能在幾個(gè)方面得到了改進(jìn)，象堅(jiān)固的不銹鋼結(jié)構(gòu)，大的填裝口，獨(dú)立的噴頭控制和3英寸標(biāo)準(zhǔn)的衛(wèi)生接頭輸出。一個(gè)可選的軟管適配器，零件號(hào)為9300100，為導(dǎo)入懸浮粒子進(jìn)入正壓系統(tǒng)而提供。
TDA-4Blite 空氣懸浮粒子發(fā)生器功能
TDA-4Blite 空氣懸浮粒子發(fā)生器是一個(gè)更小的，低容量版本的TDA-4B，但仍舊保持所有的*功能。
TDA-4B TDA-4Blite 空氣懸浮粒子發(fā)生器lite被設(shè)計(jì)用于生物安全柜。它的小尺寸和低成本使它成為理想的用于生物安全柜測(cè)試和HEAP 過(guò)濾器的真空測(cè)試。
TDA-4Blite 空氣懸浮粒子發(fā)生器有3個(gè)Laskin噴嘴，當(dāng)它在20PSIG壓力輸出時(shí)，被流量為405立方英尺的空氣稀釋時(shí)，氣體濃度是100微克/升左右。二個(gè)閥允許儀器可以在1-3個(gè)噴嘴之間操作，提供一個(gè)寬范圍的空氣懸浮粒子濃度。
TDA-4Blite 空氣懸浮粒子發(fā)生器規(guī)格
空氣系統(tǒng)流量： 50-5，000立方英尺每分鐘
空氣懸浮粒子濃度： 100微克/升（在405立方英尺每分鐘流量時(shí)）
空氣懸浮粒子濃度： 10微克/升（在4,050立方英尺每分鐘時(shí)）
產(chǎn)塵類型： 1到3個(gè)噴霧頭輸出
壓縮空氣： 3 到 9 立方英尺每分鐘流量在20 psi下。
混合空氣類型： 多種直徑的（冷）
尺寸： 10" L × 8" W × 9" H （25cm L × 20cm W × 23cm H）
重量： 5.5 kg
ATI懸浮粒子發(fā)生器 / TDA-4B產(chǎn)塵儀 / 空氣粒子發(fā)生器 / PAO油發(fā)生器Description
ATI manufactures portable Laskin nozzle aerosol generators which produce a sub-micron polydispersed oil mist aerosol in concentrations from 10 to 100 micrograms per liter （ug/l） at air flows from 50 to 8,100 cfm @ 20 psig.
Aerosol generators and photometers are used to integrity test or locate leaks in high efficiency air filtration systems. Filter manufacturers use this equipment to scan ULPA and HEPA filters to verify they are free from manufacturing defects. Filter certifiers use this equipment to insure that filters were not damaged in shipping and have been installed properly, eliminating any leakage.
With the proper generator and photometer combination, filter deficiencies such as pinholes, thin spots, gasket leaks, frame leaks or seal problems can be quickly and quantifiably pinpointed and corrected thus protecting product and personnel.
Both the TDA-4B and the TDA-4B Lite feature several improvements including rugged stainless steel construction, large fill port, individual nozzle control, and a 3" standard sanitary fitting outlet. An optional hose adapter, part # 9300100, is available for introducing the aerosol into positive pressure systems.
TDA-4B Lite Features
The TDA-4B Lite is a smaller, lower capacity version of the TDA-4B that still retains all the improved features. The TDA-4B lite was specifically designed for use in biosafety cabinets. Its small size and low cost make it the ideal generator for biosafety cabinet testing and HEPA filter vacuums.
The TDA-4B Lite has 3 Laskin nozzles. When its total output at 20 psig is diluted by 405 cfm of air, the aerosol concentration is approximay 100 ug/l. Two valves permit the unit to operate with 1 to 3 nozzles to provide a wide range of aerosol concentrations.
TDA-4B Lite Specifications
Aerosol Output Range: 50-5,000 cfm
Aerosol Concentration 100 ug/l @* 405 cfm
Aerosol Concentration 10 ug/l @* 4,050 cfm
Generator Type: 1 to 3 Laskin Nozzles
Compressed Air: 3 to 9 cfm @ 20 psi
Aerosol Type: Polydispersed （Cold）
Size: 10" L × 8" W × 9" H
（25cm L × 20cm W × 23cm H）
Weight-Pounds （lbs）: 12 lbs.
Weight-Kilograms （kg）: 5.5 kg
Electrical: （Not Required）
*When operated at 20 psi.
Applications
Clean Rooms
Laminar Flow Benches
Biosafety Cabinets
Glove Boxes
HEPA Vacuum Cleaners
HVAC Systems
HEPA Filters
ULPA Filters
Negative Pressure Filtration Units
Surgical Suites
Nuclear Filter Banks
Collective Protection Filters
Research and Development
Industries
Pharmaceutical
Food Processing
Veterinary Medicine
Laboratories
Asbestos Abatement
Heavy Metal Processors
Nuclear Power and Fuel
Hospitals
Chemical Processing
Certifiers
NBC Defense Agencies
Governmental Labs
Filter Manufacturers
Micro Electronic
Electronic
Biotechnology
Micromechanics
* If more than 20 psig is used, the output concentration will increase and conversely,
if less than 20 psig is used, the output concentration will decrease.
* If using more than 2 nozzles, upstream concentration should be measured
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