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Model 306 Ozone Calibration Source

A portable source of ozone that is the perfect companion for calibrating virtually any ambient ozone analyzer – not just those manufactured by 2B Tech. The instrument scrubs ozone from ambient air and produces any mixing ratio of ozone in the range 30 to 1,000 ppbv.

  • Ozone mixing ratio controlled so as to be independent of ambient temperature, pressure and humidity
  • Level 4 transfer standard for calibrating ozone analyzers in the field relative to a lab standard
  • Schedule an autocalibration once daily that executes a series of up to 10 programmable output steps

Overview

  • Portable ozone calibration source that produces O3 by photolysis of O2 in air at 185 nm
  • Desired ozone concentration in the range of 30 to 1000 ppbv is chosen from the easy-to-use menu using a rotary select switch, or can be controlled remotely via the serial menu
  • Total output flow rate in the range 3.0-3.2 L/min volumetric and can be connected directly to the inlet of any ozone analyzer
  • Excess flow is vented through an internal overflow T capped with an ozone scrubber
  • Factory-calibrated against 2B Tech’s NIST-traceable standard
  • Can easily be calibrated against your lab ozone standard, allowing the instrument to be a transfer standard for calibrating ozone instruments in the field
  • Scheduler function allows a scheduled autocalibration once daily that executes a series of up to 10 programmable output steps
  • Please see our published paper for more information about the Model 306

 

Example Applications of the Model 306:

  • Maintaining the calibrations of networks of ozone analyzers
  • Testing of materials such as rubber, plastics and paint for effects of ozone exposure
  • Studies of the effect of ozone on plants where a calibrated source of ozone is required
  • Can be used to calibrate any ambient ozone analyzer, regardless of manufacturer
  • Has ambient bypass that allows instrument to be connected to an ambient ozone analyzer at all times
  • Can be programmed with a user-customizable calibration sequence of up to 10 steps
  • Scheduler feature allows custom calibration sequence to be ran automatically once daily at a user-defined time
  • Model 306 Ozone Calibration Source
  • 2.5A power adapter
  • Serial port cable (9PinF-9PinF)
  • Three feet of Teflon-lined tygon (1/4″ OD, 1/8″ ID) tubing for connecting to an ozone analyzer
  • USB flash drive preloaded with operation manual and other useful documentation
  • NIST-traceable calibration certificate
  • Only one version of calibrator available; no options
  • Comparison of Two Photolytic Calibration Methods for Nitrous Acid, A.J. Lindsay and E.C. Wood,Ā Atmospheric Measurement TechniquesĀ (2022)Ā 15, 5455-5464.Ā AMT Link
  • Evaluating the Effect of Ozone in UV Induced Skin Damage, F. Ferrara, E. Pambianchi, B. Woodby, N. Messano, J.-P. Therrien, A. Pecorelli, R. Canella and G. Valacchi,Ā Toxicology LettersĀ (2021)Ā 338, 40-50.Ā Ā Science Direct
  • The Impact of Drought on Total Ozone Flux in a Mountain Norway Spruce Forest, T. Agyei, S. JurÔň, K. Ofori-Amanfo Kwakye, L. Å igut, O. Urban and M.V. Marek,Ā Journal of Forest ScienceĀ (2020)Ā 66, 7, 280-287.Ā Ā Link
  • Protective Effects of a Comprehensive Topical Antioxidant Against Ozone-Induced Damage in a Reconstructed Human Skin Model, A. Pecorelli, D.H. McDaniel, M. Wortzman and D.B. Nelson,Ā Archives of Dermatological ResearchĀ (2021)Ā 313, 139-146.Ā Ā SpringerLink
  • The Influence of Ozone on Net Ecosystem Production of a Ryegrass-Clover Mixture under Field Conditions, T. Agyei, S. JurÔň, M.E. JonÔŔovĆ”, M. Fischer, M. Å vik, K. KominkovĆ”, K.K. Ofori-Amanfo, M.V. Marek, J. Grace and O. Urban,Ā AtrmosphereĀ (2021)Ā 12, 12, 10.3390/atmos12121629.Ā Ā MDPI Link

Specifications

Spec Sheet

 

 

Ā Method of Ozone Production Ā UV Photolysis of O2Ā at 185Ā nm
Ā Ozone Concentration Range Ā 0 ppbv and 30 ppbv to 1,000 ppbv
Ā Precision and Accuracy of
Output
Ā Greater of 2 ppbv or 2% of ozone concentration
Ā Response Time for Change in
Ozone Output Concentration
Ā 30 s to reach 95% of concentration change
Ā Flow Rate Ā 3.0-3.2 Liter/min volumetric
Ā Power Requirements Ā 12 V dc or 120/240 V ac, 18 watt
Ā Size Ā 3.5 x 8.5 x 11 inches (9 x 21 x 29 cm)
Ā Weight Ā 5.6 lb (2.6 kg)
Ā Analog Output Ā Yes; voltage output tracks ozone output and provides system error codes
Ā Serial Connection Ā Yes; for remote operation and system diagnostics
Ā Programmable Output Ā Yes; user-specified ozone output for up to 10 steps from 0 to 1,000 ppbv; stored in internal memory
Ā Scheduler Ā Yes; once-daily execution of the step program at user-specified hour
Ā Baud Rate Ā 4800
Ā Certification CE

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Case Studies

Case Studies for this product are coming soon!
"I have been working in the ozone industry for close to 15 years and I am really impressed with your 2B [Model 306]calibrator! The accuracy and ease of use is unparalleled in the industry. Great job!"
Rob Turnbull

Managing Member at ToroSoleil, LLC

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