Sheldon Manufacturing SWBR27 Reciprocating Water Bath

Category Shaking Water Baths
Manufacturer Sheldon Manufacturing
Country of manufacture the United States of America
Supply chain disruptions for certain parts in Sheldon products have caused delays. Lead times for most Sheldon products are 4 to 6 weeks. We are here to assist. Please contact us to obtain lead times and discuss options.

Sheldon Manufacturing Reciprocating Water Baths deliver precise temperature control and a smooth reciprocal shaking motion. Temperature and oscillation controls feature an easy to read P.I.D. microprocessor temperature controller and an independent safety thermostat.

The bath may be used with or without oscillation. Shaking speed is variable from 20 to 200 oscillations per minute, and the stroke length can be adjusted to three separate settings: 0.5, 1.0, or 1.5 inches to minimize the chance of accidental spillage. Also, the unique basket support system is designed to eliminate tank wear, yet still provide full support and free action for a heavily loaded basket.

A durable finish on the housing prevents corrosion and chipping. In addition to having a stainless steel tank, the bath platform tray is designed for optimum temperature uniformity. Maximum temperature is achieved using the stainless steel gable cover, which is designed to prevent condensate from dripping onto samples and assures uniform temperature conditions.

Features include:

  • Microprocessor Control
  • Independent Oscillation and Temperature Controls
  • Recessed Heating Element to Prevent Burnout
  • Adjustable Stroke Length
  • Thermometer Clip
  • 24 Month Limited Warranty *excludes tank
Key Attributes
Type Shaking Water Bath
Platform Area (ft^2) 1.87
Platform Dimensions 24.5" x 11.0"
Max Load (lb)
Incubation Yes
Refrigeration No
Stacking No
RPM - Max 200
RPM - Min 30
Stroke Length (mm) 12.7, 25.4, or 38.1
Warranty 2 Years
Weight (lb) 79 lb
Width (in) 37.5"
Depth (in) 14.8"
Height (in) 12.5"
Manufacturer Specifications
Weight 79.00 lbs
Agency Approval CE
Oscillation Rate 20-200 RPM
Temperature Uniformity +/-0.2°C (at 37°C)
Temperature Range Ambient +5°C to 80°C
Platform Dimensions 24.5 x 11 x 7.7 (62.2 x 27.9 x 19.6)
Exterior Dimensions WxDxH in. (cm) 37.5 x 14.8 x 12.5 (95.3 x 37.5 x 31.8)
Interior Dimensions WxDxH in. (cm) 27 x 12 x 7.2 (68.5 x 30.4 x 18.4)
Capacity 27 L
Nominal Voltage 50/60HZ (V) 115/230
Amperage (A) 9
Maximum Energy Consumption (W) 1035/1150


All specifications are determined by using average values on standard equipment at an ambient temperature of 25°C (77°F) and line voltages within +/-10% of unit type (115V/230V). Temperature specifications follow DIN 12880 methodology. We reserve the right to change specifications at any time.


What environmental conditions (ambient temperature, ambient humidity, etc.) can the SWBR shaking water baths be operated in?

The SWBR series shaking water baths are intended for indoor use between 18°C and and 40°C and no more than 80% relative humidity. The SWBR should not be operated at an altitude exceeding 2000 meters. If you would like an SWBR shaking water bath which can be operated outside of these conditions, please contact us and let us know your requirements.


Is the temperature control open-loop or closed-loop?

The SWBR Shaking Water Baths use a microprocessor-based closed loop temperature controller.


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Sheldon Manufacturing SWBR27 Reciprocating Water Bath Accessories