Baths & Circulators

Ductless Fume HoodsDuctless Fume Hoods are manufactured and gonethrough a complete safety tests of rigorouslyinternational standards.31Constructional featuresInternal wind speed in the workspace can be identifiedwith attached anemometer. Wind speed can be controlledby identifying varying wind speed in accordance withsurrounding environment and filter conditions.Connection with separate exhaust system is not required,since the hood already has a recirculation air flowdischarging into the laboratory.Filter of cartridge type can be easily replaced with openingthe upper cover of the foront.Front sash can be fully opened and fixed to enableexperimental apparatus and equipment to moveconveniently into the workspace.As a utility hole is provided, apparatus inside the hood caneasily be connected to outside the hood or apparatusoutside the hood can be so to inside the hood.As a blower of large enough capacity is adopted, sufficientintake flow rate is maintained and noise is low.A fluorescent light is provided outside the workspace sothat air circulation is not hindered, pollution from thereagents can be prevented and intensity of illuminationcan be maintained.Various filters and work surface are optional for theirexperiment purpose. (Refer to accessory section)Digital controllerAnemometerFume HoodsReliable Test: Efficiency, Capacity of Activated carbon filters testedaccording to BS 7989:2001: Structure, Electrical outlet, Lighting, Sound level testedaccording to BS 7258-1:1994: Local smoke, Large volume visualization, Face velocity, Tracer gastested according to ANSI/ASHRAE 110-1995, NF EN 14175-1Utility holeFront coverSelection for Chemical FilterCodeFilter NameApplicationGF Activated carbon Filter All common laboratory chemicals, especially VOC, Organic, Benzene, Toluene, etcAC Acid Filter An acidic solvent; Acetic acid, Hydrochloric acid, etcHF Halogen Compounds Filter Halogen compounds like Chlorine, Flourine, Iodine, Bromine, Astatine, etcFF Formaldehyde Filter Formadehyde applicationsAM Ammonia / Amines Filter Ammonia / Amines by chemisorptionsHEPA HEPA Filter the filtration efficiency of 99.99% at 0.3 microns For trapping biohazardous aerosols and others