DEFINITION: A laboratory water bath is a tool used to maintain a very stable temperature much like an incubator.
Water baths can hold often temperatures within a tenth of a degree Celsius; the water is often circulated. Sometimes beads are used as a waterless option. Scientific water baths are also used in commercial kitchens to cook sous-vide.
Types of Water Baths
Water baths are used in industrial clinical laboratories, academic facilities, government research laboratories environmental applications as well as food technology and wastewater plants. Because water retains heat so well, using water baths was one of the very first means of incubation. Applications include sample thawing, bacteriological examinations, warming reagents, coliform determinations and microbiological assays. Different types of water baths may be required depending on the application. Below is a list of the different types of commercially available water baths and their general specifications.
Four Standard Types of Water Baths
tandard Water Baths ha!ing Water Baths "irculating Water Baths Waterless Bead Baths Standard Water Bath Specifications
#opular si$es are %, &'(, )*')%, %*'%% + &*'&, Typical temperature range is Amb../0" to )**0" 1niformity is usually .2' *.%/ ' %./0" 3 ,40" imple analog or digital temperature setting control Audible alarms for over temperature 5equire various tube rac!s, adapters, and floats Standard Water Bath:
Shaking Water Bath Specifications
#opular si$es are %, &'(, )*')%, %*'%% + &*'&, Typical temperature range is Amb../0" to )**0" 1niformity is usually .2' *.%/ ' %./0" 3 ,40" imple analog or digital temperature setting control Audible alarms for over temperature 5equire various tube rac!s, adapters, and floats Shaking Water Bath6
Circulating Water Bath Specifications
#opular si$es are %, &'(, )*')%, %*'%% + &*'&, Typical temperature range is Amb../0" to )**0" 1niformity is usually .2' *.) ' *.%/0" 3 ,40" imple analog or digital temperature setting control Audible alarms for over temperature 5equire various tube rac!s, adapters, and floats Circulating Water Bath6
Waterless Bead Bath Specifications
#opular si$es are %, &'(, )*')%, %*'%% + &*'&, -
Typical temperature range is Amb../0" to &**0" 1niformity is usually .2' ).* ' %./0" 3 ,40" imple analog or digital temperature setting control
Waterless Bath6
COST:
Lab water bath Regular price: $249.90 Sale price: $209.90
Lab water bath Regular price: $345.00 Sale price: $309.00
Features Capacity: !" Stainless steel reservoir #igital temp. control ambient $%& - '!!& C Convenient large bath opening (lat and gabled lid available )est tube racks available ''!v and !v units available
20L Water Bath
COMPANIES:
BTH20L Price $ !0 each
Water bath with cooli ! " it max. 95 C, 7 - 45 l | WNB, WN , W! "B"40
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*e+ere#ces: http:,,www.waterbath.net,types.html
http:,,www.e;portsindia.com http:,,www.wikipedia.com
