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The Importance of Data Acquisition in Gas Analyzer Calibration…

Acquiring data to verify the performance of an instrument is vital for traceability and analysis of trends for accuracy, reliability and compliance. Most gas analytical devices have integrated software to capture analytical data for comparison to a saved calibration. However, there are limitations in the ability to directly compare analyzer response data and gas standard values during calibration if a cylinder gas standard is used. Calibration information provided for the cylinder is static and relative to when the cylinder was analyzed not when it is used during calibration so differences may exist that affect overall calibration performance without the user’s knowledge. Actively recording calibration gas data as it is generated creates unique advantages over traditional cylinder gas calibration and is done using a permeation system.

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KIN-TEK FlexLink^TM Software KIN-TEK supplies a Windows® executable program named “FlexLink™” to setup, monitor and control the generation of multi-component concentrations with KIN-TEK’s FlexStream™ gas standards generator.

KIN-TEK FlexStream Gas Standard Generator The KIN-TEK Analytical FlexStream™ System is ideally suited for creating trace concentration – ppm, ppb, and pptr – mixtures. The FlexStream™ uses KIN-TEK Trace Source™ disposable, refillable and diffusion permeation tubes for over 550 Supported Chemicals.

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More about the author:

Danet M. Vrazel worked in the Chemical Industry with companies such as Hoechst Celanese and Solutia and did research in the Chemical Pathology Department at UTMB Galveston before working with KIN-TEK in 2001. As a Technical Sales/Service Representative for KIN-TEK, Ms. Vrazel learned techniques for calibrating gas analytical devices using permeation tubes and gas standard generators. Ms. Vrazel has been with KIN-TEK for over 20 years providing gas calibration solutions to the gas analyzer industry and working with customers all over the world. Now as Vice President, Ms. Vrazel uses her business experience and technical expertise to guide business operations.

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The Span Chek^TM 2400 (or SC2400) is a portable permeation system designed for field calibration of air quality analyzers, toxic gas analyzers, area gas monitors, and other gas sensing devices. It may be used with passive sensors as well as instruments that have a built-in sample pump. Interchangeable Trace Source^TM TM disposable permeation tubes provide a stable output of pure analyte gas that mixes with a larger controlled flow of filtered ambient air to form a calibration gas standard. Accurate concentrations of gas standard mixtures can be generated to “verify” or calibrate devices throughout the plant or facility. Sulfur detectors, Nitrogen dioxide detectors, fixed Ammonia detectors, or others can be “bump” checked to ensure proper operation.

The SC2400 has a durable carrying case with an adjustable shoulder strap for easy transport. It weighs approximately 11 pounds and can easily be carried up steps or ladders to ensure safe responses of gas monitors for selected gases.

The SC2400 can produce trace gas concentrations from <1 ppm to 100 ppm (depending on permeation tubes and operating parameters). Concentrations are varied by adjusting the ambient air pump rate, the permeation oven temperature, or the number or type of permeation tubes. The instrument can be used with a variety of compounds by installing the appropriate permeation tubes. Multiple compatible tubes can be used to generate a mixture or increase component concentration.

CLICK HERE TO VIEW PRODUCT BROCHURE (PDF)

CALIBRATE WITH CONFIDENCE! Trace Gas Calibration Solutions for Industrial and Laboratory GC, GC/MS Calibration

Want portable gas calibration without the burden of cylinders and bulky equipment? Meet the Span Chek™ 2400 Portable Permeation Unit—your grab-and-go solution for accurate and NIST Traceable gas standards in the field. Whether you’re checking ambient air monitors, verifying fixed detectors, or validating fence-line monitors, the Span Chek™ delivers repeatable multi-point concentrations directly at the sensor, with ease.

Powered by an internal micro-compressor and purified ambient air, the Span Chek™ eliminates the need for external air sources or complex setups. Stable temperature control from 30 °C to 60 °C allows use of Trace Source™ disposable permeation tubes for a variety of components over a wide range of concentrations from sub-ppm to 100 ppm (depending on the tube).  Up to 4 Trace Source™ disposable permeation tubes can be used simultaneously for creating mixtures or increasing gas concentrations.

From industrial sites to mobile QA teams and university labs, the Span Chek™ 2400 fits seamlessly into your workflow—compact, rechargeable, and remarkably easy to use. If you’re serious about trace-level calibration with field-ready flexibility, Span Chek™ 2400 puts proven accuracy in the palm of your hand. Let go of the heavy gear and upgrade to portable solution.

Click for more information about KIN-TEK’s Process and Laboratory Gas Standard Generators:

• Span Pac^TM I for industrial, process GC applications in Nema 4 Hazardous Atmospheres.
• FlexStream^TM for Laboratory, QA/QC.
• Create custom gas mixtures for process or analytical environments.
• Over 550+ Gas Compounds available to provide complex gas mixtures.