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Thermo Scientific™ Lindberg/Blue M™ General-Purpose Circulating Water Baths

Lindberg/Blue M General-Purpose Circulating Water Baths combine a contemporary cabinet design with advanced microprocessor control.

Manufacturer:  Thermo Scientific™ WB1140A1

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Catalog No. 15-453-425

This item has been discontinued by the manufacturer and is no longer available. Please call customer service for assistance: 1-800-766-7000.
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Thermo Scientific™ Lindberg/Blue M General-Purpose Circulating Water Baths combine a contemporary cabinet design with advanced microprocessor control. High-strength cabinet construction with 304 stainless-steel interior tanks withstand the most critical applications in demanding laboratory environments. A range of accessories are available to suit a variety of laboratory or process applications.

  • Microprocessor with RTD probe provides simple, accurate and repeatable temperature control while optimizing control parameters during operation
  • Digital temperature display simultaneously reads setpoint and water temperature
  • Recessed control module protects against dirt and moisture
  • Single-stage centrifugal pump with independent supply/return ports for maximum circulation
  • Reversible stainless-steel rack allows for optional reduction of working depth by 2in. (5cm)

Adjustable High-Limit Control

  • Prevents critical process overtemperature conditions at any point over the operating range
  • Protects bath and load
  • Interrupts heat and flashes visual warning
  • Automatically resets when temperature returns to normal
  • Fixed overtemperature safety, factory set 105°C, shuts off bath power; push-button manual reset


  • Integrated industrial-strength pump for internal circulation maintains precise temperature uniformity throughout the liquid medium
  • Rounded corners for better water circulation, improved uniformity and easier cleaning
  • Built-in drain with ON/OFF valve
  • Moisture-proof blanketed fiberglass insulation surrounds water chamber—improves temperature stability and energy efficiency
  • 304 stainless-steel construction resists chemicals, simplifies cleaning
  • Long-life heating elements for quick response to controller
  • Nonskid rubber feet protect the lab bench
  • Attractive front panel bezel for easy cleaning

Includes: Reversible stainless-steel rack, temperature probe, 10ft. (3m) power cord with plug, and mounting clip for immersion glass thermometer (thermometer sold separately). Gable covers are not included, but are a recommended accessory (must be ordered separately).

Description & Specifications


5 above ambient to 100°C
234 min.
9.5 in.
46 in.
20 in.
100.7L; 120V
46 x 20 x 14.5 in. (117 x 51 x 37cm)
120V 50/60Hz
100.7L (26.6 gal.)
36 in.
14.5 in.
105 lb.
2490w (8188 BTU/hr.)
18 in.
36 x 18 x 9.5 in. (91 x 46 x 24cm)
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