Refrigerated thermostatic baths and circulators - Optima™ series
The Grant Optima™ series of thermostatic refrigerated baths and circulators represent cost-effective multi-purpose systems for low temperature applications down to -47ºC and up to 100ºC.
Visit the refrigerated bath
Showcase to learn more about our most popular model, the versatile
mid-range GD120-R2.
Choosing a refrigerated bath and circulator
The four Grant Optima™ digital thermostats can be combined with the five Grant refrigeration (R) units to provide a choice of 19 models. To help you choose the correct system, please check our
quick reference table for an overview of the temperature range of each combination and read our factsheet entitled '
Factors to consider when choosing a refrigerated bath and circulator'.
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Grant low temperature circulators provide a source of precision cooling for many sensitive analytical procedures including spectrophotometry, viscometry, refractometry and electrophoresis. They are suitable for use in both open and closed loop circulation (i.e. remote vessel open or closed). Alternatively, the Grant RC series of recirculating chillers (closed circulators) can be used. For more powerful cooling requirements, e.g. the removal of mechanical or electrical heat produced in apparatus or machinery, please contact Grant for advice.