Lab Shakers
Open Air Shakers
ORBITEK ® open air shakers are typically designed to suit , researchers application demands in cultivating microbial, tissue cultures and cell cultures. The constant agitation with uniform amplitude provides the optimum oxygen transfer to the cultures, resulting in better and homogenous yield.
These lab scale open air shakers are available in 3 different variants to choose from. Based on clamp holding capacity and speed, ORBITEK ® open air shakers addresses the user scientists requirements in Life –Sciences.
ORBITEK® | LJ | L | LX |
---|---|---|---|
Speed range | 50 -250 rpm | 30 -350 rpm | 50 -250 rpm |
Speed Drive | DC | DC | DC |
Speed Accuracy | +/- 2% of set value | +/- 2% of set value | +/- 2% of set value |
Orbital Diameter | 25 mm | 25 mm | 25 mm |
Tray size | 350x350 mm | 420x420 mm | 550x550 mm |
Display | Digital LED | Digital LED | Digital LED |
Cabinet | FRP/Coated Steel | FRP/Coated Steel | FRP/Coated Steel |
Dimensions WxDxH | 385x470x260 mm | 460x470x260 mm | 576x700x280 mm |
Electrical requirement | 230V,50Hz, 1 ɸ 6A | 230V,50Hz, 1 ɸ 6A | 230V,50Hz, 1 ɸ 6A |
Basic Weight | 30 Kgs | 40 Kgs | 60 Kgs |
Flasks Holding Capacity (Erlenmeyer) | |||
50/100 ml | 16 | 36 | 49 |
250 ml | 16 | 25 | 36 |
500 ml | 9 | 16 | 25 |
1000 ml | 4 | 9 | 16 |
2000 ml | - | 4 | 9 |
- Ergonomically designed with minimal footprint
- Triple-eccentric counterbalanced drive for uniform agitation with 25.0 mm shaking orbit.
- Maintenance free lubricated ball bearings for noiseless operation
- FRP exterior with anti-vibration mount for smooth running
- Precise shaking speed control with gentle start /stop cycle , preventing spillage.
- Powerful Permanent Magnet DC drive with digital LED display of speed
- Pulse width modulation ( PWM) based speed control
- Optional timer function for speed.
- Optional Illumination bank available for models LJ & L
- Auto re-start to set speed after power outage.
- Universal platform to accommodate Erlenmeyer , Round bottom , volumetric flasks ,test tube holders & micro plate holders
- Has auto restart funtion after power interruption with non volatile memory (Retain set parameters after power failure)
Temperature Controlled Shakers
ORBITEK ® Temperature controlled shakers are robust yet flexible to be used in research & industrial applications. The proven triple 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
These lab scale temperature controlled shakers are available in 4 different variants to choose from. Based on temperature and controlled features ORBITEK® temperature controlled shakers address the user scientists requirements in Life –Sciences.
Models with Basic features

Universal Platform Size :420 x 420 mm
Orbital Diameter : 25 mm
Permanent magnet DC drive
Pulse width modulation ( PWM) based speed control
Temperature range from : Ambient +5º C to 70º C
Step-less Speed settings
Compact table-top incubator shaker
Has auto restart funtion after power interruption with non volatile memory (Retain set parameters after power failure)

Universal Platform Size :420 x 420 mm
Orbital Diameter : 25 mm
Permanent magnet DC drive
Pulse width modulation ( PWM) based speed control
Temperature range from : 10º C to 70º C
Compact table-top refrigerated shaker
Has auto restart funtion after power interruption with non volatile memory (Retain set parameters after power failure)
Models With Advanced Features
Microprocessor based PID controlled system provides control accuracy
Safety stop switch during door opening
Maintenance free Brushless AC motor with VFD
Audible & Visible alarms for speed & Temperature deviation
Soft touch key pad operation for speed & temperature
Minimal footprint and extended temperature range
Residual Current Circuit Breaker (RCCB)for user safety
Programmed acceleration and deceleration circuit for Gentle Start/Stop cycle to prevent spillages or cell shear.
Has auto restart funtion after power interruption with non volatile memory (Retain set parameters after power failure)

Universal Platform Size :460 x 460 mm
Orbital Diameter : 25 mm
Maintenance free Brushless AC / Brushless DC motor
Temperature range : 5º C to 80º C
PLC(Programmable Logic Control) enabled design
Sensitive touch screen operation for speed & temperature
Large chamber volume - two stationary trays adds incubation space in the shaker.
All stainless steel interior for cleanability & disinfection
Residual Current Circuit Breaker (RCCB)for user safety
Programmed acceleration and deceleration circuit for smooth Start/Stop cycle to prevent spillages or cell shear.
Programmable timer for Speed and temperature
Data logging facility for Speed and temperature
Optional LED /fluorescence illumination.
ORBITEK® | LT | LE | LETT | LEBT | |
---|---|---|---|---|---|
Speed range | 30-350 rpm | 30-350 rpm | 30-400 rpm | 30 -400 rpm | |
Orbital Diameter | 25 mm | 25 mm | 25 mm | 25 mm | |
Universal Platform | 420x420 mm | 420x420 mm | 420x420 mm | 460 x 460 mm | |
Speed Drive | DC | DC | Brushless AC | AC | DC |
Speed accuracy | +/- 2% of set value | +/- 2% of set value | +/- 2% of set value | +/- 1 RPM | +/- 1 RPM |
Temperature Range | Ambient +5º C to 70º C | 10º C to 70º C ** | 5º C to 80º C | 5º C to 80º C | |
Temperature Control accuracy | +/- 0.1º C * | +/- 0.1º C * | +/- 0.1º C * | +/- 0.1º C * | |
Temperature uniformity | +/- 0.3º C nominal uniformity @ 37.0º C in flasks | +/- 0.3º C nominal uniformity @ 37.0º C in flasks | +/- 0.3º C nominal uniformity @ 37.0º C in flasks | +/- 0.3º C nominal uniformity @ 37.0º C in flasks | |
Power Watts | 570 | 900 | 900 | 1200 | |
Electrical Requirement | 230V,50Hz, 1 ɸ 6A | 230V,50Hz, 1 ɸ 6A | 230V,50Hz, 1 ɸ 16A | 230V,50Hz, 1 ɸ 16A | |
Display | Digital LED | Digital LED | Digital LED | Colour LCD | |
Cabinet | FRP and Coated Steel | FRP and Coated Steel | Coated Steel exterior and Stainless Steel interior | Coated Steel exterior and Stainless Steel interior | |
Dimensions WxDxH(Internal) | 500x500x413 mm | 500x500x413 mm | 500x500x400 mm | 520x520x523 mm | |
Dimensions WxDxH(External) | 560x750x680 mm | 525x730x800 mm | 650x750x800 mm | Single Unit: 620x750x900 mm Double Unit: 620x750x1885 mm |
|
Basic Weight | 85 Kgs | 100 Kgs | 140 Kgs | 175 Kgs | |
Flasks Holding Capacity (Erlenmeyer) | |||||
50/100 ml | 36 | 36 | 36 | 36 | |
250 ml | 25 | 25 | 25 | 25 | |
500 ml | 16 | 16 | 16 | 16 | |
1000 ml | 9 | 9 | 9 | 9 | |
2000 ml | 4 | 4 | 4 | 5 | |
5000/6000ml | 2 | ||||
Optional Features | |||||
Illumination | |||||
Stationary tray for incubation | 1 | 1 | 1 | 2 | |
UV-C lamp for de-contamination | |||||
Timer for Speed (1 min to 99.9 Hrs) |
Standard | ||||
Timer for Temperature (1 min to 99.9 Hrs) |
Standard | ||||
Gas purging facility | |||||
Humidity measurement | |||||
Data Logging facility | Standard |
Maximum holding capacity with Stationary tray :
Model | Maximum Capacity | |
---|---|---|
LT,LE,LETT | 1000 ml | |
LEBT | Single Tray | 2000 ml |
Double Tray | 1000 ml |
*Temperature accuracy @37.0ºC at an ambient temperature of < 32.0º C
**While using illumination the operable temperature range is 15º C to 70º C
- Robust construction for noiseless operation
- Triple-eccentric counterbalanced drive for uniform agitation
- High grade insulation on all sides for uniform temperature maintenance .
- PID for Precise temperature maintenance
- Better temperature accuracy ensuring suitable environment for cultures to grow
- Flexibility for variety of 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.
- Provision for remote alarm available through Building Management Software(BMS)
- Data Logging RS 232/RS 485 /Ethernet and any conventional software and remote computer running(LETT & LEBT)
- PLC can be upgraded with SCADA software
- In built imbalance sensor to stop the movement if excess vibration is detected.
- Timer mode and continuous mode user selectable
- Deviation alarm for Speed more than 5 RPM and for temperature if exceeds more than 0.1º C available ( LEBT)
- Ambient Temperature <32°C min settable 4°C @ ambient of 25°C
Sterilization
- Optional UV-C lamp for de-contamination
Safety features
- Safety stop switch for door
- Audible & Visual alarm for deviation on speed and temperature
- Thermostat cut –off for temperature over shoot
- Auto re-start to set speed and temperature after power outage.
Stackable Shakers
ORBITEK ® Stackable Shakers has optimal foot print with robust structure for stable operation at full stack.

Versatility
- Stackable shakers with large holding capacity can be stacked upto 3 vertical high.
- Inner chamber tall enough to support 5 Ltr flasks.
- Data logging facility for temperature and speed.
- Gassing manifold for purging Co2 / N2 available as optional.
- Programming of speed and temperature with facility for simulating day/night settings, UV-C de-contamination, Humidity Monitor - LE4676-H.
Convenience
- Swing down front open door with gas spring dampers for convenient operation.
- Top platform height is under 1.5 m from ground, while 3 stacked , enabling convenient accessibility .
- Wide front double glazed window for clear view of culture flasks
- Full length slide -out platform for easy accessibility during loading/unloading culture flasks.
- Touch screen operation with large colour LCD display screen for visual comfort.
( Model : LE 4676 H ) - Soft-key pad operation with bright LED display ( Model:LE 4676)
- Side mounted refrigeration unit for ease in serviceability without disturbing the stack assembly.
- All stainless steel inner chamber for easy cleaning and disinfection.
- Ergonomically designed slide out photosynthetic light bank –optional.
- Stationary trays along the depth of inner chamber for incubation needs.
- Provision for remote alarm available through Building Management Software(BMS)
- Data Logging RS 232/RS 485 /Ethernet and any conventional software and remote computer running
- PLC can be upgraded with SCADA software(LE4676H)
- In built imbalance sensor to stop the movement if excess vibration is detected.
- Timer mode and continuous mode user selectable
- Ambient Temperature <32°C min settable 4°C @ ambient of 25°C
Additional Features
- The Second deck can be without shaker movement and can be used as a cooling incubator and provision of humidity trays can make it function as a stability chamber, controlled by common PLC System with Shaker with same features
- 2 Stationary trays can hold Petri Dishes of various sizes (560 x 450)mm
- All other dimensional specifications remains the same
Safety & Reliability
- Brushless AC / Brushless DC drive
- Incremental/decremental Speed control of 1 RPM
- Programmed acceleration and deceleration circuit for Gentle Start/Stop cycle to prevent spillages or cell shear .
- Triple-eccentric counterbalanced Drive mechanism ,ensuring smooth running at full load and no load conditions.
- Large orbit diameter of 25mm helps better culture growth.
- Inbuilt imbalance sensor to stop the movement if excess vibration is detected.
- Door sensor to stop the movement upon door opening.
- Speed control with slip compensation facility, ensure minimum deviation from set value.
- Temperature uniformity with minimum gradient for reliable result.
- Deviation alarm (user selectable) for speed more than 5 RPM and for temperature if exceeds 1°C
- Thermostat cut –off for temperature over shoot
- Chamber high temperature warning for operator safety when door is open.
- High grade insulation or constant temperature maintenance.
- Residual Current Circuit Breaker (RCCB)for user safety
- Optional UV-C lamp for disinfection to avoid contamination
- Abnormal condition system shutdown (ACSS) features ensure system safety
- RS232/RS485/Ethernet Ports available for Data logging/ any external Building management Software(BMS)/ external conventional lab management software (for HMI Models)
- Moisture proof electrical outlet available inside the chamber as option.
- Provision for remote alarm available through Building management Software (BMS).
- Chamber inbuilt water reservior for humidification to minimize sample evapouration.
- Non volatile memory with automatic power restart.
- One fluorecent lamps for chamber visibility.
- Door Open Alarm.
- Stacking Kit Standard (for more than one unit)
- Top open version available Option
Performance Specifications
ORBITEK® | LT 4676 | LT 4676 H | LE 4676 | LE 4676 H |
---|---|---|---|---|
Speed range | 25-400 RPM(single) / 25-400 RPM(Double) /25-400 RPM ( Triple) | |||
Speed Drive | AC | AC/BLDC | AC | AC/BLDC |
Speed Accuracy | +/- 1 RPM | |||
Orbital Diameter | 25 mm / 50 mm | |||
Temp. Range | Amb +5º C to 80º C # | 5º C to 80º C # | ||
Temp. accuracy | +/- 0.1ºC* | |||
Power Watts | 1200 | 1700 | ||
Electrical Requirement | 230V,50Hz, 1 ɸ 16A | |||
Display | Digital LED | Digital LCD | Digital LED | Digital LCD |
Operation control | Membrane key pad | Colour LCD | Membrane key pad | Colour LCD |
Cabinet | Coated Steel Exterior and Stainless Steel Interior | |||
Weight | 220kgs | 240kgs | ||
Tray size | 490 x 760 mm | |||
Dimensions WxDxH (Internal) | 850 x 612 x 453 mm | |||
Dimensions WxDxH (External) | 1385 x 800 x 668 mm | |||
Flasks Holding Capacity (Erlenmeyer) | ||||
50/100 ml | 40 | |||
250 ml | 40 | |||
500 ml | 24 | |||
1000 ml | 15 | |||
2000 ml | 8 | |||
5000/6000 ml | 6/5** | |||
Fernbach – 2.8 L | 6 | |||
Optional Features | ||||
Illumination light bank | Yes | |||
IStationary tray (split trays) For Petri plates | 2 ## | |||
UV-C lamp for disinfection | Yes | |||
Timer for Speed, Temperature | 0.1 Sec to 999.9 hrs continuous | |||
Data Logging facility | Yes | Standard | Yes | Standard |
Illumination light bank | 6 to 36 manifold Yes |
Temperature accuracy @37.0ºC at an ambient temperature < 32.0º C
With special screw cap flasks.
Nominal temperature uniformity of +/- 0.3º C @37.0º C , across the tray
Minimum settable 4ºC @ ambient of 25ºC
Stationary tray available only for non-illumination version