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Electronic overhead stirrers, VOS 40 digital and VOS 60 control

Supplier: VWR Collection

Laboratory stirrers which are ideal for simple stirring tasks, suitable for quantities up to 25 l (VOS 40 digital), or for intensive stirring tasks for quantities up to 40 l (VOS 60 control). Due to microprocessor controlled technology, the stirrers automatically adjust the speed within the speed range of 0/30 - 2000 min-1. Safety circuits ensure automatic cut off in anti-stall or overload conditions. The actual shaft speed and preset speed are constantly monitored and variations are adjusted automatically. This guarantees a constant speed even with changes in sample viscosities. Stirrers have a slim casing and provide quiet operation.

  • Digital speed display
  • Infinitely adjustable speed
  • Push-through agitator shafts
  • Overload protection and units can be operated for short periods in overload conditions
  • Error code display
The VOS 60 control model features a removable wireless controller and a digital, multilingual TFT display. This stirrer is equipped with a RS232 and a USB interface to control and document all parameters. An integrated torque trend display enables measurement of viscosity changes.

  • Programmable functions
  • Integrated temperature measurement
  • Interval operation, timer and lock function
  • Adjustable safety circuit
IP protection class according to DIN EN 60529: IP 40

Ordering information: Supplied without accessories, a wide range of accessories are available to order separately.




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Description Pk VWR Catalog Number Quantity
VOS 40 digital overhead stirrer, EU-plug 1 441-0302
VOS 60 control overhead stirrer, EU-plug 1 441-0305
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SPECIFICATIONS

Model VOS 40 digital VOS 60 control
Max. stirring capacity H₂O (l) 25 40
Max. viscosity (mPas) 40000 50000
Speed range (min-1) 0/30 - 2000
Max. torque at chuck (Ncm) 40 60
Chuck range (mm) 0,5 - 10
Power - motor input/output (W) 112/87 168/131
W×D×H (mm) 86×208×248 86×230×267
Weight (kg) 4,4 4,7

ACCESSORIES

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Accessories
Type Description For unit Stirrer - Ø Shaft - Ø Shaft length Max. revolutions Pk VWR Catalog Number Quantity
- Four blade stirrer - 50 mm 8 mm 350 mm 2000 min-1 1 441-2901
- Temperature sensor, coated - - - - - 1 441-0344
- Keyless chuck - - - - - 1 441-0343
- Extension cable, separates casing from the sensor, avoiding damage from vapours released by the medium - - - - - 1 620-8104
- Plate stand, 200×316 mm, rod 16 mm Ø with height 560 mm - - - - - 1 431-1047
- Stirring shaft protector - - - - - 1 441-2999
- Strap clamp for securing vessels, stand Ø 25 - 36 mm, vessel Ø 40 - 300 mm - - - - - 1 431-2944
- H-Stand, 460×420 mm, rod 34 mm Ø with height 1010 mm - - - - - 1 431-9114
- Pneumatic telescopic stand, 460×420 mm, rod 34 mm Ø with height 620 - 1010 mm - - - - - 1 431-2912
- Glass coated sensor for use with ETS-D5 and VT-5 contact thermometers - - - - - 1 442-0316
- Spare stainless steel sensor for use with ETS-D5 - - - - - 1 442-0252
- Flexible coupling for applications using glass stirring rods Ø 6 - 10 mm, max. torque 10 Ncm - - - - - 1 441-9213
Clamp device RH 3 Strap clamp for securing vessels, stand Ø 8 - 16 mm, vessel Ø 40 - 300 mm T 18 basic / T 25 digital - - - - 1 431-2943
Fixing clamp R 182 Bosshead clamp, 6 - 16 mm Ø stand, 6 - 16 mm Ø extension arm T 18 basic / T 25 digital - - - - 1 431-2923
Plate stand R 1826, plate 200x316 mm, rod 800 mm Plate stand, 200×316 mm, rod 16 mm Ø with height 800 mm T 18 basic / T 25 digital - - - - 1 431-2901
Plate stand R 1827 Plate stand, 200×316 mm, rod 16 mm Ø with height 1000 mm T 18 basic / T 25 digital - - - - 1 441-2129
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