Pilot Shakers

Open Air Shakers

ORBITEK ® open air pilot shakers are typically designed to suit , researchers application demands in large scale cultivation of microbial, tissue cultures and cell cultures. The constant agitation with large orbital diameter provides the optimum oxygen transfer to the cultures, resulting in better and homogenous yield.

These large scale open air shakers are available in 3 different variants to choose from. Based on clamp holding capacity and speed, ORBITEK ® open air pilot shakers address the user scientists requirements in Life – Sciences.

ORBITEK ® P – Orbital Large capacity Shaker
Universal Tray – 770 x770 mm
Brushless AC drive
Maximum shaking speed of 300 rpm with full load
Large capacity to hold upto 5 x 5000 ml flasks.
ORBITEK ® P X – Orbital Large capacity Shaker with extended tray
Universal Tray – 1000 x1000 mm
Brushless AC drive
Large capacity to hold upto 9 x 5000 ml flasks,9x 10000 ml Round bottom flasks
ORBITEK ® P D X – Orbital Large capacity Double Deck Shaker
Universal Tray – 1000 x1000 mm – 2 Nos
Brushless AC drive
Large holding capacity with minimal foot print.
ORBITEK ® P PX PDX
Speed range 50 -300 rpm 50 -200 rpm 50 -180 rpm
Speed Accuracy +/- 2% of set value +/- 2% of set value +/- 2% of set value
Orbital Diameter 50 mm 50 mm 50 mm
Tray size 770x770 mm 1000x1000 mm 1000x1000 mm – 2 nos
Speed Drive AC AC AC
Display Digital LED Digital LED Digital LED
Cabinet FRP/Coated Steel Coated Steel Coated Steel
Dimensions WxDxH 1000x1140x575 mm 1250x1250x610 mm 1250x1250x1060 mm
Power watts 375 375 375
Electrical requirement 230V,50Hz, 1 ɸ 6A 230V,50Hz, 1 ɸ 6A 230V,50Hz, 1 ɸ 6A
Basic Weight 280 Kgs 320 Kgs 375 Kgs
Flasks Holding Capacity (Erlenmeyer) Top Tier Bottom Tier
50/100 ml 64 100 100 96
250 ml 64 100 100 96
500 ml 36 64 64 60
1000 ml 25 36 36 32
2000 ml 16 25 25 21
5000 ml 05 09 - -
  • Ergonomically designed with optimal footprint
  • Penta-eccentric counterbalanced drive mechanism for uniform agitation with 50.0 mm orbital dia.
  • Maintenance free permanently lubricated ball bearings for noiseless operation
  • FRP & Coated steel exterior with anti-vibration mount for smooth running
  • Precise shaking speed control with gentle start /stop cycle , preventing spillage and shear to cultures.
  • High torque AC drive with intuitive control and digital LED display of speed
  • Auto re-start to set speed after power outage.
  • Universal platform to accommodate Erlenmeyer , Round bottom , volumetric flasks ,test tube holders & micro plate holders .
  • Safety Features

    • Main circuit breaker to protect electronic components during abnormal power conditions.
    • Emergency stop switch
  • Optional Features

    • Timer function for speed.
    • Data logging facility for speed.
    • Illumination bank available for all above models

Temperature Controlled Shakers

ORBITEK ® Temperature controlled pilot shakers are robust yet flexible to be used in research & industrial applications. The proven penta-eccentric counterbalanced drive mechanism coupled with high efficient temperature control module delivers the desired results in shake flask culturing of microorganisms. Wide speed and temperature range enables growth of varied cell types.

ORBITEK ® P E – Orbital Large capacity Refrigerated shaker
Universal Platform Size :770 x 770 mm
Orbital Diameter : 50 mm
Brushless AC drive
Temperature range from : 10º C to 60º C
Large capacity to hold upto 5 x 5000 ml flasks .
ORBITEK ® P E X – Orbital Large capacity Refrigerated
shaker with extended tray
Universal Platform Size :900 x900 mm
Orbital Diameter : 50 mm
Brushless AC drive
Temperature range from : 10º C to 60º C
Large capacity to hold upto 9 x 5000 ml flasks.
ORBITEK ® PE PEX
Speed range 50 -300 rpm 50 -250 rpm
Orbital Diameter 50 mm 50 mm
Speed accuracy +/- 2% of set value +/- 2% of set value
Speed Drive AC AC
Temperature Range 10º C to 60º C 10º C to 60º C
Temperature Control accuracy  * +/- 0.1º C * +/- 0.1º C *
Temperature uniformity +/- 0.3º C nominal uniformity @ 37.0º C in flasks -
Power Watts 1900 1900
Electrical Requirement 230V,50Hz, 1 ɸ 16A 230V,50Hz, 1 ɸ 16A
Display Digital LED Digital LED
Cabinet FRP and  Coated Steel with SS inner FRP and Coated Steel with SS inner
Dimensions WxDxH(Internal)mm 900x900x620 mm 1030x1030x540 mm
Dimensions WxDxH(External)mm 1100x1500x1130 mm 1130x1560x950 mm
Basic Weight 500 Kgs 550 Kgs
Flasks Holding Capacity (Erlenmeyer)
50/100 ml 64 100
250 ml 64 100
500 ml 36 49
1000 ml 25 36
2000 ml 16 25
5000ml 05 09
Optional Features
Illumination **
UVC  lamp for de-contamination
Timer for Speed
(1 min to 99.9 Hrs)
Timer for Temperature
(1 min to 99.9 Hrs)
Gas purging facility
Humidity measurement
Data Logging facility

* Temperature accuracy @37.0ºC at an ambient temperature of < 32.0º C
** While using illumination the operable temperature range is 15º C to 60º C

  • Robust construction for noiseless operation
  • Penta -eccentric counterbalanced drive for uniform agitation
  • High grade insulation on all sides for uniform temperature maintenance .
  • Micro-controller based PID for Precise temperature maintenance
  • Better temperature accuracy ensuring suitable environment for cultures to grow
  • Flexibility to extend for various applications including anaerobic, algae, microbial & plant cell cultures.
  • Universal platform to accommodate Erlenmeyer , Round bottom , volumetric flasks ,test tube holders & micro plate holders.
  • Finned tubular air heater for efficient heat transfer
  • CFC free refrigeration system
  • Low energy consumption.
  • Forced air circulation inside the chamber ensures uniform distribution of air into all culture flasks.
  • Sterilization

    • Optional UV-C lamp for de-contamination
  • Safety features

    • Stop switch for door
    • Audible & Visual alarm for temperature deviation
    • Thermostat cut –off for temperature over shoot
    • Emergency Stop Switch

Multi – Deck Shakers

Salient Features

  • Versatile Multi-deck shakers with large holding capacity With 4 individual shaking platforms
  • Amplitudes of 25mm, 50 mm and 70 mm for shaking decks to meet different application needs in life sciences
  • All stainless steel inner chamber for easy cleaning and disinfection.
  • DAHS ( Distributed Air Handling System) with uniquely designed air-plenum for uniform temperature distribution.
  • Minimal foot print, robust structure for stable operation at full load.
  • High grade insulation for constant temperature maintenance.
  • Single door with large double glass window for clear view of culture flasks in all the decks.
  • Heavy duty gaskets with magnetic catch ensuring perfect door sealing.
  • Touch screen operation with 7.5" colour LCD display for visual comfort.
  • Side mounted CFC free refrigeration unit for ease in serviceability .
  • Data logging facility for temperature and speed.
  • Co2/N2 purging inside the chamber and humidity measurement available as option.
  • Optional detachable light bank with fluorescent or LED lamps
  • Programming facility for speed, temperature, Illumination and UV-C decontamination.
  • Full length slide-out platform for easy accessibility during loading/unloading of culture flasks.
  • Brushless DC drive with feed back sensor for accurate speed control
  • Perfectly counterbalanced direct drive (beltless) mechanism ,ensuring smooth running at full load and no load conditions, at all amplitudes.
  • Temperature uniformity with minimum gradient for reliable growth results.
  • Multi step Temperature ramp up facility
  • Sterilization

    • Optional UV-C lamp for de-contamination
  • Safety Features

    • Programmed acceleration and deceleration circuit for smooth Start/Stop cycle to prevent spillages or cell shear
    • Audible & Visual alarm for speed and temperature deviation
    • Auto re-start to set speed and temperature after power outage.
    • Residual Current Circuit Breaker (RCCB)for user safety
    • Thermostat cut–off for temperature over shoot
    • Emergency Stop switch
    • Door sensor to stop the movement upon door opening.

Performance Specifications

ORBITEK ® MDS
Speed range 30 -400 rpm (25 mm Diameter) / 30-300 rpm (50mm Diameter) / 30-250 rpm (70 mm Diameter)
Orbital Diameter 25,50,70 mm
Universal  Platform size 420 x 800 mm
Speed Drive Brushless DC
Speed accuracy +/- 1 RPM
Temp.Range 5º C to 80º C
Temp.accuracy * +/- 0.1ºC *
Temperature uniformity +/- 0.3º C nominal uniformity @ 37.0º C in flasks
Power Watts 3700
Electrical Requirement 230V,50Hz, 1 ɸ 16A – 2 nos
Display Colour LCD
Operation control PLC based with Touch Screen
Cabinet Coated Steel exterior and Stainless Steel  interior
Basic Weight  680 Kgs
Dimensions WxDxH (cm) ( Internal) 89 x 44 x 179
Dimensions WxDxH (cm)( External) 147 x 67 x 207
flask size flasks per universal platform Chamber capacity
Shakers per chamber Shakers using 1light bank Shakers using 2light banks
50/100ml 38 4 3 2
250ml 38 4 3 2
500ml 26 4 3 2
1Lt 15 4 3 2
2Lts 09 3 3 2
2.8Lts 04 3 3 3
5Lts 04 2 2 2
Optional Features
Illumination light bank
UVC  lamp for de-contamination
Gas Purging
Humidity measurement

* Temperature accuracy @37.0ºC at an ambient temperature of < 32.0º C

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Customer Speaks

I have found that ORBITEK® Pilot Shakers are robust and it is totally noiseless and vibrationless during operation.

Dr.N.Chandrasekaran –Senior Professor
VIT University - Tamilnadu