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Petite Digital Overhead Stirrer, Model BDC250

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Petite Digital Overhead Stirrer, Model BDC250

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The ultimate in compact design measuring only two by four inches. The BDC250 offers great capabilities in a small package; used in formulation, R&D, clinical research, education labs, anywhere a magnetic stirrer is used. It fits into small spaces and can be easily transported to other labs or classrooms. Everything you need assembled into a complete stirring package. Included in each purchase: overhead stirrer motor, integral clamp, stainless steel collet, external power supply, grounded power cord, stand, axial and radial mixing blades, mixing shaft, manual in four languages (English, French, Spanish and German) and three year warranty.


  • Brushless DC motor
  • Digital display
  • Electronic digital control
  • Purchased as a complete package


  • High efficiency/less heat
  • Easy to use and repeatable settings
  • Precise speed adjustment
  • Everything you need for the classroom or lab bench

Includes integral clamp, collet, mixing shaft, axial and radial mixing blades, stand, power supply, and grounded power cord.

BDC250 Impeller Set (Thomas No. 1177M75)
Shaft and impeller blades to fit collet of BDC250 stirrer, all electropolished 316L stainless steel. Includes one radial blade and one axial blade and interchangeable set screw. Is included in BDC250 stirrer package.

Speed50-2500 rpm
Volume Maximum2 L (0.5 US Gallon)
Viscosity MaximumWater-like
Torque Maximum  10 N·cm (0.9 in-lbs = 14 in-oz)
Output Power7 Watts (1/100 hp)
Speed DisplayYes
Speed Accuracy+/- 10 rpm
Torque DisplayNo
Zero TorqueNo
Through ShaftNo
Chuck Maximum Shaft Diameter6 cm (0.24")
Chuck GuardNo
HousingChemical-resistant nylon
WeightPower Supply: 0.105 kg (0.23 lb), Stirrer: 0.367 kg (0.81 lb)
IP RatingIP42
Voltage120 V/230 V must use Caframo power supply
Frequency50/60 Hz
Ambient Temperature Operation5-40°C (41-104°F)
Relative Humidity Operation80%
Stand Rod500 mm (19 11/16″)
Impeller Shaft Length187 mm x 6.0 mm (7 ?” x 0.24″)
Radial and Axial Blades12 mm x 30 mm (½” x 1 3/16″)
Manufacturer's Warranty3 years

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