(Dickson: Addison, IL) --  Quality managers and others responsible for maintaining the integrity of temperature and/or humidity chart recorders or data loggers, can now download a comprehensive guide to all aspects of instrument calibration at www.dicksondata.com/calibration/calibration_order.php.

 Chapters of this online guide include:

• Explanations of why calibrations are required
• Review of calibration methods to choose from
• A step-by-step guide to developing calibration schedules
• “Before” data considerations
• Best-fit applications for one-point, three-point, and custom-point calibrations
• Glossary of calibration terms
• Optional calibration club registration

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