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Boekel Scientific Large Water Bath, 290300, 28 Liter Laboratory Water Bath (115V/230V)

 Boekel Scientific Large Water Bath, 290300, 28 Liter Laboratory Water Bath (115V/230V)

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Quick Overview

290300 & 290300-2
The Twenty-Eight Liter Boekel Scientific "Hot Tub", Large Size Laboratory Water Bath can be used as a standard water bath or as a boiling water bath. User simply sets temperature into “boiling mode”. The unit has digitally controlled temperature with a built-in timer. The temperature control is extremely accurate due to a three point factory calibration and PID controller. Large digital display, passivated stainless steel tank, and heating indicator LED.

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The Boekel line of General Purpose Water Baths offers a variety of sizes to meet all of your needs and is ideal for general lab applications. The space saving design allows for the most efficient use of your bench space and the PID Controller makes for easy temperature selection, rapid heat-up and excellent stability.

In addition, this General Purpose Water Bath line can also be used as a Boiling Bath by simply setting the temperature into a boiling mode. With this convenient feature, you no longer need to purchase a separate, single function Boiling Bath.

  • These water baths can also be used as a boiling water bath. User simply sets temperature into “boiling mode”.
  • **Note: Stainless steel gabled covers are required for use
  • when water bath is placed in boiling mode.
  • Programmable timer, up to 99hrs, 59mins. Bath will stop heating when timed mode is completed.
  • PID Controller for Easy Temperature Selection, Rapid Heat-Up and Excellent Stability (+/- 0.2°C).
  • 3 point factory programmed temperature calibration for accurate temperature control throughout the operating temperature range.
  • Temperature set in 0.1°C increments up to 100.0°C.
  • Seamless, passivated stainless steel tank; includes stainless steel diffuser tray/shelf.
  • Recessed control panel - protects against spills
  • Supplied with a Polycarbonate lid
  • Large LED display can be clearly seen from a distance
  • Adjustable over temperature safety cutout
  • 2 year warranty


  • General purpose water baths offer excellent performance and are ideal for general lab applications.
  • The special "boiling mode" is a convenient feature for melting agar and other applications requiring boiling temperature.


Carvalho, B;Granot, M;Sultan, P;Wilson, H;Landau, R;. "A Longitudinal Study to Evaluate Pregnancy-Induced Endogenous Analgesia and Pain Modulation." Reg Anesth Pain Med. 41 (2016): 175-80. Web. <http://journals.lww.com/rapm/Abstract/2016/03000/A_Longitudinal_Study_to_Evaluate_Pregnancy_Induced.13.aspx>

Landau, R;Kraft, JC;Flint, LY;Carvalho, B;Richebé, P;Cardoso, M;Lavand'homme, P;Granot, M;Yarnitsky, D;Cahana, A;. "An experimental paradigm for the prediction of Post-Operative Pain (PPOP)." J Vis Exp. (2010): . Web. <http://www.jove.com/video/1671/an-experimental-paradigm-for-prediction-post-operative-pain>

Wilson, H;Carvalho, B;Granot, M;Landau, R;. "Temporal stability of conditioned pain modulation in healthy women over four menstrual cycles at the follicular and luteal phases." Pain. 154 (2013): 2633-8. Web. <http://www.ncbi.nlm.nih.gov/pubmed/19573962>


Volume: 6 L 14 L 28 L
Catalog Number: 290100 (115V)
290100-2 (230V)
290200 (115V)
290200-2 (230V)
290300 (115V)
290300-2 (230V)
Product Dimensions W x D x H: 33.66cm x 20.96cm x 25cm
13.25” x 8.25” x 9.88”
33.66cm x 38.43cm x 24.46cm
13.25” x 15.13” x 9.63”
33.66cm x 56.21cm x 29.54cm
13.25” x 22.13” x 11.63”
Bath Height w/ Lid: 39.07cm / 15.38” 39.37cm / 15.5” 43.50cm / 17.13”
Tank Dimensions: 30.0cm x 15.0cm x 14.0cm
11 3/4” x 6” x 5 1/2”
30.0cm x 32.5cm x 17.0cm
11 3/4” x 12 3/4" x 5 3/4"
30.0cm x 50.5cm x 19.0cm
11 3/4” x 20” x 7 1/2”
Timer: Timer “ON”, timer is settable up to 99hrs. 59min. or “OFF” mode to operate bath without timer.
Temperature Range: Ambient +5°C to 100°C* or Boiling Mode**
Temp. Setting Range: 0°C to 100°C in 0.1°C increments or Boiling Mode
Stability: ±0.2°C ±0.2°C ±0.1°C
Temp. Setting Display: digital/four digit LED
Display Resolution: 0.1°C 0.1°C 0.2°C
Shipping Weight: 6.35 kg (14 lbs) 9.98 kg (22 lbs) 14 kg (31 lbs)
Electrical: 290100 115VAC; 50/60Hz**
290100-2 230VAC; 50/60Hz (CE)***
290200 115VAC; 50/60Hz**
290200-2 230VAC; 50/60Hz (CE)***
290300 115VAC; 50/60Hz**
290300-2 230VAC; 50/60Hz (CE)***
* A lid or layer of polypropylene spheres must be used when operating at 60°C or above
** Unit conforms to UL 61010A-1 and CSA C22.2 No 1010
***230V units are supplied with continental European plug.


View FileWater Baths Brochure    Size: (1.92 MB)
View FileHot Tub Water Baths Manual    Size: (56.17 KB)