Owlstone Nanotech, Inc.

- Model V-OVG - Calibration Gas Generator



The Vertical Owlstone Vapor Generator (V-OVG) builds on Owlstone's proven OVG technology. The V-OVG platform features an innovative new oven design. The larger, vertically mounted chamber allows the use of multiple, physically large or specialist permeation devices.

Owlstone Vapour Generators are compact, cost effective calibration gas systems, which can generate NIST traceable, precise, repeatable and accurate concentrations of chemicals and calibration gas standards. The V-OVG is a versatile platform for the calibration of industrial and scientific gas sensors. Using permeation tube technology, a V-OVG system can replace multiple gas cylinders resulting in significant cost and space savings.

The new V-OVG sample oven is 16 times the volume of the OVG-4 model. This larger oven allows gas standards to be produced from multiple and non-standard geometry permeation sources. The V-OVG also features an improved split flow meter with a digital readout and a RS-485 communications module for computer control.

  • More versatile - bigger, vertical oven that holds up to 6 standard permeation tubes
  • Easier to use - digital split flow meter readout
  • Suitable for multiple permeation sources
  • Easy access top entry oven
  • Optional RS-485 connection

  • Technology : Permeation and diffusion tubes
  • Available analytes : >500 including VOCs, environmental gases, explosive and CW agents and simulants
  • Computer communications : RS-485 optional
  • Dimensions : H 262mm, W 142mm. D 260mm
  • Exhaust connection : 1/4'Swageloktuoe
  • Exhaust flow range : 0 ml/min to>3000rr
  • Exhaust pressure : < 30 psi
  • Inlet air : Regulated Air/ Nitrogen. Free from impurities. -35BC dew point
  • Inlet connection : 1/4*' Swagelok quick connect
  • Inlet pressure : 40 psi
  • Output concentrations : part-per-trillion to part-per-thousand
  • Oven Diameter : 40mm
  • Oven Temperature : 30 to 100C±0.1C in 0.1C increments
  • Power supply inlet : 100-240vAC
  • Sample Outlet connection : 1/3* SwageloK compression fittings
  • Sample Outlet flow range : 20 - 250 ml/min

The three principle differences between the calibration gas generators are listed below. V-OVG has:

  • Vertical oven compatible with diffusion tubes
  • Large bore oven can hold up to 6 permeation tubes simultaneously
  • Digital control of split and sample flow

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