5-Year Calibration Warranty entitles you to receive 5 annual calibrations of our 2E and 2EM Differential Pressure Testers at an effective cost of only $13.99 per calibration! Calibration warranty also covers replacement of defective components discovered during calibration.

NOTE: Please purchase this ONLY when purchasing a new unit. If you already have a unit, please send your unit into us for recalibration with a note that you would like to purchase the 5 year warranty.