Grant Bio PSU-20i Digital Orbital Shaking Platform, Orbital and Reciprocating Speed: 20 to 250 rpm, 8Kg Maximum Load, 20mm Orbit

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Dimensions (h x d x w)
130 x 410 x 410mm
Temperature range
4 to 40ºC
Maximum load
Orbit ø
Speed (load dependent)
20 to 250 rpm
Angle (reciprocal mode)
0 to 360º
Angle (vibration mode)
0 to 5º
2-line 16 character LCD
Timer, with automatic switch-off
1 minute to 96 hours
Motion timer (orbital/reciprocal modes)
0 to 250 sec
Motion timer (vibration mode)
0 to 5sec
External power supply
Input AC 120-230V, 50/60Hz Output DC 12V
Power consumption
40W (3.2A)
Input voltage
12V dc
  • £1497.00
Physical Stock - (6) - Subject to UnSold)

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The Grant bio PSU-20i is a powerful and efficient microprocessor controlled multi-functional orbital shaker providing all that is required – rotation, reciprocation and vibration – for thorough mixing in flasks, beakers, Petri dishes and other laboratory vessels.

  • Orbital motion, reciprocation and vibration functions all in one product
  • Reliable direct drive system
  • Fully programmable sequence of functions
  • Simple to set up and easy to operate
  • Interchangeable platforms, including multi-level platform option
  • Loads up to 8 kg
  • Orbital and reciprocating speed: 20 to 250 rpm
  • Reciprocal rotation: 30 to 360º turning angle
  • Vibration: 0 to 5º turning angle, programmable in a burst of 0 to 5 seconds
  • All mixing functions – orbital motion, reciprocation and vibration – can be set for continuous or timed operation, or be linked together in different combinations to ensure optimum and accurately repeatable mixing conditions for your application
  • Direct drive system
  • Brushless motor for longetivity
  • Powerful, reliable and exceptionally quiet motor –  combines 8 kg loading capacity with consistent even motion and quiet operation
  • Very easy to operate, with simple set-up of multi-segment programs via push buttons and the 2-line LCD status display. Microprocessor controls for making corrections without stopping the program.
  • Universal detachable platform can accommodate vessels of different shapes and sizes for maximum flexibility.
  • Optional flat platform PP-20 with non-slip mat accommodates low profile containers. Can be extended to create up to four levels to maximise the throughput per cycle.


Suitable for use in different laboratories in microbiology, chemistry, immunology, biochemistry and molecular biology.

    • SKU
    • Commodity Codes
  • Capacity (Kg)
  • Speed (rpm)
    20 - 250
  • Orbit (mm)
  • Manufacturer
    Grant Instruments (Cambridge) Ltd
  • Country of Origin
Part NoDescription
PUP-330Adjustable bars and two fixing levels. Dimensions: 345 x 430 x 105mm HB-330. Extra holding bars
PP-20-(2/3/4 level)Flat platform with non-slip rubber mat. Dimensions: 480 x 380mm Height between levels: 140mm
P30-100Platform with clamps for 30 x 100-150ml flasks
P16-250Platform with clamps for 16 x 250-300ml flasks
P9-500Platform with clamps for 9 x 500ml flasks
P6-1000Platform with clamps for 6 x 1000ml flasks