OLS Aqua Pro Shaking Water Bath

Patented, combined orbital and linear shaking mechanism of the OLS26 allows optimisation of aeration and shear forces mixing, for reproducible results.

  • Precision digital temperature control
  • Stability: ±0.1ºC
  • Temperature range 0ºC to 99ºC operation*
  • Easy changeover from linear to orbital shaking
  • Adjustable shaking speed and stroke length
  • Universal tray and polycarbonate lid included as standard
  • Drain tap for convenient emptying


  • General use – defrosting, cooling/warming liquids, temperature control of samples
  • Life-science – microbiological assays, tissue studies, cell cultivation fermentation, bacterial culture, biochemical assays, enzyme assay
  • Industrial – materials testing, corrosion testing
  • Biopharm – solubility testing of medical coatings, dissolution, cooling crystallisation
  • Food & beverage – extractions, food digestion


Dimensions (h x d x w) 325 x 565 x 335mm
Capacity 26L
Temperature range Ambient +5 to 99°C / 0 to 99°C with accessory cooling
Stability (DIN 12876-3) @70ºC 0.1°C
Uniformity (DIN 12876-3) @70ºC 0.1°C
Working area (d x w) 380 x 235mm
Mix/max liquid level 70/134mm
Orbital and linear shaking speed 20 to 200rpm (depending on load)
Orbital shaking radius 9mm
Shaking speed display resolution 1rpm
Linear shaking stroke length 18, 28 and 36mm
Display 2 x LED (individual displays and controls for temperature and shaking speed)
Timer 1 to 999 minutes
Drain tap
Safety Over temperature protection/low liquid level cut-out
Heater power – 230V 1400W
Heater power – 120V 1050W
Supply voltage 120 or 230V
Weight 13.1kg


Product Manuals:

Performance Datasheets:

Technical Datasheets:

Further Information:



Products in range

Model Number

Unit Size

OLS26 26 L


Cooling Coil

Cooling coil enables bath to be operated at or below ambient, down to 0˚C

Part No


CC26R Source of constant cooling to enable bath to be operated at or below ambient, down to 0˚C

Flask/Plate Tray

Tray with threaded holes to accept flask clamps or holder for deep well plates

Part No


TF26 Stainless steel tray

Flasks and plate holder

For use with TF26 flask and plate tray

Part No Description OLS26 Capacity
SC-25 For 25ml flask 28
SC-50 For 50ml flask 24
SC-100 For 100ml flask 15
SC-250 For 250ml flask 8
SC-500 For 500ml flask 6
SC-1000 For 1000ml flask 3

Shaking Water Bath – Lids

Directs condensation away from immersed vessels, avoids contamination, reduces evaporation and saves energy

Part No


LS200 Stainless steel sloping lid with access hole for cooling coil
AQL26 Replacement polycarbonate lid

Shaking Water Baths – Base Tray

Allows bath to be used as an unstirred bath

Part No


SBT26 Stainless steel perforated tray for the OLS26 & LSB18
SBT12 Stainless steel perforated tray for the LSB12

Shaking Water Baths – Heat Exchange Coil

Attach to a cold water supply or refrigerated circulator

Part No


CW26 Can be used down to 2ºC above the temperature of the coolant

Test Tube Racks

Choice of 8 variants to accommodate different tube diameters and microtubes

Part No

Tube Diameter

Rack Capacity

SR-10 10mm 48
SR-13 13mm 44
SR-16 16mm 24
SR-19 19mm 21
SR-25 25mm 12
SR-30 30mm 10
SR-SE 0.5ml (microtube) 119
SR-LE 1.5ml (microtube) 48

Test Tube Tray

Compatible with SR racks or can be used alone to accommodate bags and miscellaneous vessels

Part No


TS26 Holds up to 5 SR racks

Universal Tray

Highly versatile, with adjustable springs to hold flasks, bottles and other vessels

Part No


TU26 Stainless steel tray