B.enchtop Ductless Exhaust Fume Hoods
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•High-capacity ductless fume hood with dual 600 CFM blowers helps dissipate and remove low concentration fumes from your work area.
•一种ctivated carbon filters (order separately) remove common organic fumes to eliminate the need for ducting to a building exhaust system.
•全聚丙烯罩施工确保广泛的耐化学性。
•Open-bottom design allows for placement on any existing work surface.
•鼓风机外壳夹具，以便于过滤器更换。
•隔离隔离支架可单独提供。
•一种ir speeds above 100 ft/min (0.51 m/s) below the sash, offering a high level of protection for operators
•静态耗散PVC SASH提供了5英寸垂直工作间隙的飞溅保护。
•Sash lifts out of the way to accommodate tall or bulky equipment.
•LED照明器在引擎盖内提供舒适的工作空间照明。
•B.uilt-in swing vane anemometer for validation purposes.
•注意：不是个人防护设备的替代品。始终使用适当的防护设备，如安全眼镜，手套，防护服和/或面部面具。
•注意：不适用于产生高浓度危险化学烟雾的应用。不适用于生物危害或可以产生潜在有毒灰尘的化合物。
B.enchtop Ductless Exhaust Fume Hood
标准特征
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一种 聚丙烯construction聚丙烯construction resists acids and other chemicals
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B. Fan Filter UnitD.ual 1200 CFM (2038.81 m³/h) blowers for safe containment: air velocity >180 fpm (0.91 m/s) with 5" (127 mm) vertical access
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C Fluorescent lightFluorescent light
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D. 快速释放住房Quick-release blower/filter housing for fast, easy filter replacement
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E. 空气速度显示器Includes swing-vane air speed monitor
Optional Features
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1 Range of Work Station ChoicesMany work stations available. 2-piece design isolates blower vibration
未示出：溢出托盘 - 溢出托盘可用
特点与优势
功能和优惠
导管的通风橱：实验室排气系统的替代方案
排气烟雾过滤
活性炭，最常见的净化过滤介质，具有高于30的分子量和沸点以上的沸点化学物质。由于其特定的分子结构，碳过滤器也有许多其他化学品。
一种dsorption takes place in the active filter zone, the small cross-section of the filter bed in which the material to be removed comes in contact with the filtering medium. This active filter zone moves upward as the filter becomes saturated (see illustration). When it reaches the filter's top surface, there is an initial breakthrough by the contaminant gas; thereafter the percentage of contaminant gas that escapes filtration increases until total saturation of the filter is reached.
D.uctless fume hoods manufactured by Terra use activated carbon filters to eliminate most nuisance fumes and can be used in conjunction with HEPA filtration. For more hazardous chemicals like strong acids and bases, specialized Labconco filtered fume hoods can be equipped with a wider range of filters and include an array of safety sensors for breakthrough detection.
增强过滤器性能
为了优化过滤效率，任何导管排气烟气系统必须确保排气流暴露于纯化介质以进行足够的时间。Terra排气净化系统以几种方式满足这种情况。
First, our specially selected impeller ventilators are designed to ensure the optimal linear velocity of the airstream—sufficient to maintain a negative pressure in the work area that prevents backflow, but low enough to allow adequate adsorption of fumes by the filtering medium. Our pre-filters also extend exposure time by reducing the airflow through the filter.
监测过滤器效率
需要在两个区域监测导管排气烟气系统。用户必须检测初始污染物突破之间的周期，以及污染气体达到该物质的阈值极限值（TLV）的点之间的周期。还必须监测气流的速度以确保足够的负压并检测呼吸机故障。
Through periodic testing of the exhaust airstream, you can determine the useful filter life in your particular application and gauge filter effectiveness with an elapsed time meter.
一种n electronic airflow velocity monitor also helps users ensure safe, effective operation and provides an alarm when velocity falls below a user-defined threshold.
首先放置安全！
一种void filter use in applications involving very toxic substances, very high volumes of contaminants, and unknown or highly volatile chemical reactions. Always make sure that filters are promptly changed when the Threshold Limit Value (TLV) has been reached for any contaminant gases present.
D.ual Ventilation Blower with Quick-Release Clips
Swinging Vane Anemometer
双排气扇
连续产品改进
Global Customer Base
Top-Tier Clients
一种vailable Accessories
Popular Accessories
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一种ctivated Charcoal Filter
活性炭过滤器从气流中取出各种各样的化学物质，以允许导管的通风橱操作。粘合的木炭最小化空隙空间，提高效率，减少颗粒脱落。不适用于有害物质。 -
HEPA Filters Capture Micro-Contaminants
HEPA（高效颗粒式空气）过滤器均升温99.99％，直径为0.3微米，粒径较大。 -
不锈钢溢出托盘
Stainless steel spill tray safely contains a broad range of chemicals -
Two-Piece Vibration Isolation Stands
引擎盖支架采用两件式配置，分离罩风扇产生的振动，减少与显微镜工作相关的动作疾病（如层压工程表面所示）。 -
UV Germicidal Lamp
The V-Ray germicidal UV lamp is installed within a Terra hood to inhibit microbial growth on the work surface -
台式通风橱与自动高度调整表
Benchtop Fume罩有助于通风和去除化学烟雾和颗粒，允许安全的室内释放排气。它们还可以容易地安装到自动高度调节台（28英寸-43“H）。适用于具有沉重或脆性设备的工作站。
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B.uy Accessories
On a tight schedule?ChooseFasTrak 24/7 Priority Serviceto help meet your critical schedule for Terra-manufactured products, either before or after your order is placed.*
- FasTrak 24/7provides a 24/7 commitment to meet the shipping date YOU specify, regardless of quoted lead times.
- FasTrak 24/7assigns a dedicated production team plus a dedicated senior expeditor working three shifts to meet your delivery specification.
- FasTrak 24/7guarantees* to meet the agreed-to specified ship date.
呼唤定价。Fastrak服务费仅涵盖额外服务的费用，无需额外利润。
* Terra's FasTrak services limited guarantee: to ship on the ESD or date specified OR to refund up to 100% of FasTrak charges. This guarantee covers no direct, special, consequential or other damages and is strictly limited to up to 100% of the amount paid for FasTrak service. When a specified ship date is missed due to factors outside Terra's control (vendor performance, deliveries by shipping companies, etc.) and random factors such as accidents, the credit of up to 100% of the FasTrak 24/7 may not apply. FasTrak service requested after order placement will be quoted and accepted based on available time remaining before required ship date.
导管的通风橱：实验室排气系统的替代方案
排气烟雾过滤
活性炭，最常见的净化过滤介质，具有高于30的分子量和沸点以上的沸点化学物质。由于其特定的分子结构，碳过滤器也有许多其他化学品。
一种dsorption takes place in the active filter zone, the small cross-section of the filter bed in which the material to be removed comes in contact with the filtering medium. This active filter zone moves upward as the filter becomes saturated (see illustration). When it reaches the filter's top surface, there is an initial breakthrough by the contaminant gas; thereafter the percentage of contaminant gas that escapes filtration increases until total saturation of the filter is reached.
D.uctless fume hoods manufactured by Terra use activated carbon filters to eliminate most nuisance fumes and can be used in conjunction with HEPA filtration. For more hazardous chemicals like strong acids and bases, specialized Labconco filtered fume hoods can be equipped with a wider range of filters and include an array of safety sensors for breakthrough detection.
增强过滤器性能
为了优化过滤效率，任何导管排气烟气系统必须确保排气流暴露于纯化介质以进行足够的时间。Terra排气净化系统以几种方式满足这种情况。
First, our specially selected impeller ventilators are designed to ensure the optimal linear velocity of the airstream—sufficient to maintain a negative pressure in the work area that prevents backflow, but low enough to allow adequate adsorption of fumes by the filtering medium. Our pre-filters also extend exposure time by reducing the airflow through the filter.
监测过滤器效率
需要在两个区域监测导管排气烟气系统。用户必须检测初始污染物突破之间的周期，以及污染气体达到该物质的阈值极限值（TLV）的点之间的周期。还必须监测气流的速度以确保足够的负压并检测呼吸机故障。
Through periodic testing of the exhaust airstream, you can determine the useful filter life in your particular application and gauge filter effectiveness with an elapsed time meter.
一种n electronic airflow velocity monitor also helps users ensure safe, effective operation and provides an alarm when velocity falls below a user-defined threshold.
首先放置安全！
一种void filter use in applications involving very toxic substances, very high volumes of contaminants, and unknown or highly volatile chemical reactions. Always make sure that filters are promptly changed when the Threshold Limit Value (TLV) has been reached for any contaminant gases present.