Water baths and circulators are used in a variety of settings including industrial and clinical laboratories, academic institutions, government research laboratories, environmental research applications as well as food technology. Despite their maturity as a product category, laboratory baths continue their slow evolution, particularly in the areas of controls and user interface.
Top 7 Questions You Should Ask When Buying a Bath or Chiller
- Does the product have any exclusive features? What sets it apart from other vendors’ chillers or baths?
- Is it important for your lab that the vendor have ISO 9001 certification?
- What is the warranty period? What does it cover?
- Are service plans available? If so, is there an on-site option?
- Does the unit have the appropriate cooling or heating capacity for the application? Is there enough reserve capacity to account for environmental cooling or heating losses? 6. Does the manufacturer offer the necessary accessories for the application? (Tubing, fluid, adapters, electronic interfaces, etc.)
- Does the manufacturer understand the application and provide a thorough explanation of calculations to recommend the proper instrument?
Types of water bath or chiller used by survey respondents:
|Circulating water baths||60%|
|Standard (general purpose) water baths||47%|
|Shaking water baths||27%|
|Cooled water baths||23%|
|Boiling water baths||17%|
|Waterless bead baths||8%|
|Stirred water baths||6%|
|Steaming water baths||2%|
Operating temperature ranges of water baths or chillers as reported by survey respondents:
|Less than -100 C||2%|
|-50 C to -100 C||8%|
|0 C to -50 C||18%|
|0 C to +50 C||88%|
|+50 C to +100 C||34%|
|More than +100 C||4%|
Nearly 48% of respondents are engaged in purchasing a new bath or chiller. The reasons for these purchases are as follows:
|Replacement of aging systems||
|Addition to existing systems, increase capacity||
|Setting up a new lab||
|First time purchase||
Top 10 Features/Factors Respondents Look for When Purchasing a Water Bath or Chiller:
|Durability of Product||83%|
|Performance of Product||78%|
|Greater Temperature Uniformity, Stability and Control||75%|
|Value for Price Paid||69%|
|Low Maintenance / Easy to Clean||66%|
|Low Operating Costs||57%|
|Ease of Use; Ergonomic Operation||56%|
|Total Cost of Ownership||49%|
|Size of Water Bath||46%|
|Digital Temperature Control||45%|
For more information on baths and chillers, including useful articles and a list of manufacturers, visit www.labmanager.com/baths-and-chillers
See results from previous surveys: