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Fisher Scientific Isotemp 228 Digital Laboratory Water Bath with 28L Capacity

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Microprocessor
Digital readout and control
Volume
28 Liters
Internal Dimension
12x20x8″
Temperature
ambient to 99.9°C
Temperature Uniformity
0.24°C at 39°C stability 0.5°C at 37°C
All 10 specifications
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Specifications 10

Brands
Thermo Fisher Scientific
New/Used
Used
Microprocessor
Digital readout and control
Volume
28 Liters
Internal Dimension
12x20x8″
Temperature
ambient to 99.9°C
Temperature Uniformity
0.24°C at 39°C stability 0.5°C at 37°C
Weight
30 lbs
Dimensions
24x17x16″
Power
120V 60Hz 8.5amp

Product description

Digital 28L Fisher Isotemp 228 water bath with ±0.24°C uniformity, ambient–99.9°C control, ideal for biomedical and clinical use.

The Fisher Scientific Isotemp 228 is a precision digital laboratory water bath designed for applications in biomedical research, clinical diagnostics, pharmaceutical processing, and industrial labs. Featuring a 28-liter stainless reservoir with corrosion-resistant exterior and a gabled acrylic lid, this water bath ensures safety and durability in demanding laboratory environments.

Key specifications include:

  • Digital microprocessor-controlled temperature, displaying in Fahrenheit or Celsius with a large red LED
  • Temperature range from ambient to 99.9°C, suitable for diverse bioprocessing and molecular diagnostics workflows
  • High temperature uniformity of ±0.24°C at 39°C, critical for applications requiring stringent thermal stability such as cell incubation and enzyme reactions
  • Dual thermostats provide fail-safe protection against overheating
  • Ergonomic low-height design for safe benchtop operation
  • Internal dimensions of 12 x 20 x 8 inches accommodate a variety of sample vessels commonly used in synthetic biology and gene editing research
  • Power: 120V, 60Hz with 8.5 amp current draw

The rounded corner reservoir simplifies cleaning and maintenance, supporting laboratory protocols in biomanufacturing and clinical sample preparation environments. Supplied with user manual and power cord, the Isotemp 228 is valued for precise temperature control in live-cell imaging preparation, fluorescence analysis, and nucleic acid amplification workflows.

Widely adopted in biotechnology and pharmaceutical laboratories, this water bath offers reliable thermal uniformity essential for molecular cloning, bioprocessing optimization, and quality control testing in biopharmaceutical production pipelines.

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Frequently asked questions

How long does laboratory equipment typically last?

With a service contract, ten to fifteen years is normal for most benchtop instruments. Detectors and pumps are the parts that wear first.

Can I get service for older equipment?

Often, yes. Verified suppliers frequently work with service partners converting the instrument. If applicable, we can list servicing options alongside the offer.

Where can I buy parts?

Ask a scientist through the request button. Parts are often available even when the instrument itself is discontinued.

What is the typical lead time for refurbished equipment?

Two to six weeks, depending on refurbishment scope and whether calibration is included.

Does laboratory equipment ship internationally?

We ship to 38 countries. Crating and customs handling are quoted with the instrument.

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Can't find the exact configuration?

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Last updated 4 November 2026