Humidity Calibration EquipmentWe are the world’s premier manufacturer of humidity chambers and humidity calibration equipment, with a full line of humidity measurement and calibration instruments. Our five humidity generation models control humidity parameters over a wide range for precise calibration of today’s sophisticated hygrometers. Automated, low humidity, Two-Pressure, and Two-Temperature models, all traceable to the International System of Units (SI)

Thunder VideosSystem Support VideosClick the headings or videos below to view or download the technical support videos for your system.If you don’t find a video to solve your problem you can always contact your support representative at 1-800-872-7728 or email us at support@thunderscientific.comNeed Help Getting Started? Search SiteRequest a Quote.Get a Quote Now

Technical SupportSystem Support DocumentsClick the headings below to view or download the technical support documents for your system.If you don’t find a document to solve the solution of your problem you can always contact your support representative at 1-800-872-7728 or email us at support@thunderscientific.comThunder has a variety of support documents to help maintain your systems.▸Model 1200 System SupportTSD-0215 1200 Flow

How it WorksThis page has been provided as an informational guide to help our customers learn how our products function and also as a glossary of terms that may be used on our website.Two-Pressure PrincipleFrom the National Bureau of Standards(4) The two-pressure principle is described as a stream of gas at an elevated pressure and is saturated with respect to

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Comparison Chart Details Back To GeneratorsThis comparison chart shows each generators capabilities, specifications, and uncertainty values to help you determine which suits your calibration needs best.Note: on the Model 2500, the “ST” model is not shown, the differences in this model are the chamber size which is 15″ x 15″ x 12″ (38.1 cm x 38.1 cm x 30.5 cm)

Thunder FacilitiesThunder Scientific NVLAP Accredited Calibration LaboratoryThunder’s Calibration LaboratoryPlease visit our Calibration Services page for our detailed information regarding our accredited parameters and their related ranges.Thunder Scientific achieved its NVLAP accreditation in June of 2003 through the National Voluntary Laboratory Accreditation Program (NVLAP) and has maintained NVLAP accreditation ever since (NVLAP Lab Code: 200582-0). Thunder Scientific is currently the only

Model ACS3920CO2 Free Dry Air Compressor SystemA Fully Enclosed Compressed Air Supply, Air Dryer & Sound Muffling EnclosureThe ACS3920 Air Compressor System with integral CO2 Adsorber/Air Dryer provides a clean, dry, continuous duty gas supply for the Thunder Scientific Low Humidity Generators. The ACS3920 Air Compressor System consists of a vibration isolated 3/4 HP oil-less compressor, membrane air dryer, CO2