BL1200 General Purpose Agitators

The series utilizes a maintenance-free brushless motor that was developed to handle demanding agitation situations.

The forward/reverse rotation function allows changing of the rotation direction to completely eliminate the ring-shaped unmixed area that is generated with one-directional agitation. When using tilted-type blades (square cross, propeller, etc.), the axis direction flow will also be reversed, enabling an even better effect to be achieved.


  • The exceptional quietness will not interfere with the laboratory environment.
  • During the agitation, even if there are changes in viscosity the set rotation speed will be maintained.
  • Utilizes a powerful brushless motor that does not generate sparks.
  • During agitating work, one-switch operation changes the rotation direction.
  • Does not output noise that would adversely affect other equipment, and incorporates measures to prevent mis-operation even when affected by noise.
  • Provided with protection equipment such as a current restricting circuit and thermal protector to protect against agitator motor overloading.


You can view the effect of the forward and reverse rotation operation in this video.

Iodine de-coloring test using the tilted paddle blade

This shows a comparison between the container on the left, which has one-directional rotation, and the container on the right, where the rotation direction is changed manually. In the case of the one-directional rotation, the ring-shaped unmixed area is not cleared.
*A forward/reverse rotation video conducted by timer operation is shown on the BLh Series page.

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Main specifications

Applications  Low to Medium Viscosity
Rotation Speed 20-1200rpm
Rated Torque 0.3N・m
Motor DC Brushless Motor B Type Insulation 40W
Rotation Control Feedback Control and Forward/Reverse Rotation Switching (Timer mode, manual)
Forward/Reverse Rotation Timer 5, 10, 20, 30, 45, and 60 sec Setting Switching Possible
Panel Display Rotation Speed Digital 4 Digits, and Overloading Display; Torque Indicator (1 graduation 20%)
Chuck φ8mm Collet-type Hand-tightening chuck
Safety Equipment Current Restricting Circuit, Thermal Protector: Motor Coil Temperature 90℃, Safety Cover
Power Cable 2m Power Cable with 2-pole Grounded Plug
Power Supply and Consumption Single Phase 100-220V 120VA
Dimensions and Weight Main Unit: W135mm x D172mm x H211mm, 2.0Kg
Standard Accessories Clamp Holder (Type: 21 x 16) 1 piece, Safety Cover

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/* 20140217 add by takahashi */