Ratek Medium Rotary Mixer

Product Code: RM4

Ratek Instruments presents the Rotary Mixer which can be fully customised to suit your application workflow requirements.

  • End over end mixing action
  • Microprocessor controlled drive system
  • 3 user preset programs
  • Silent operation
  • Can be customised to suit your application with double length models available on request.

Product Overview
Thorough mixing is achieved with the end over end mixing action. This mixer can be supplied with optional fittings to accommodate a range of flasks Bottles and test tubes. For small bottles and flasks, adjustable 3 prong clamps are the most suitable, each clamp can hold containers from 5-70mm diameter up to 250mm long in their plastic coated jaws. For test tubes the RM4CT 4 sided adapter with spring clips is used, clips are available for tubes from 1·5ml to 50ml. For larger bottles, the UMC2 and UMC3 clamps are best suited. The rotating bar is mounted with precision ball bearings and is driven by a custom microprocessor controlled drive system, the large digital display can show set speed or actual speed. The inbuilt electronic timer can be set for 0-99 minutes or 0-99 hours, memory buttons allow for up to 3 speed / time patterns to be stored.

Suitable for a wide variety of applications in areas such as biochemistry, molecular biology, clinical testing and histochemistry, as well as suiting any other application that requires end over end mixing.


  • Power requirements 240vac/130 watts
  • Capacity 4 kg’s (evenly loaded)
  • Mixer control Solid state with optical feedback
  • Motor Brushless ac
  • Speed range 6-57 RPM
  • Timer 0-99 minutes or 0-99 hours with 3 presets
  • Safety features Motion interrupt cut out
  • Overall dimensions W455 x D400 x H335
  • Warranty 3 year parts and 12 month labour

Accessories & Related Products

  • Model No: RM4CT, Clip Carrier Suit RM4
  • Model No: UMC1, Universal Mixer 3 Prong Clamp
  • Model No: UMC2, Universal Mixer 50-80mm Clamp
  • Model No: UMC3, Universal Mixer 70-110mm Clamp