The Desco 98221 Wave Distortion Monitor Verification Tester is used to perform periodic test limit verification of Desco Wave Distortion Monitors. Verification may be accomplished without removing the monitor from its workstation. The Wave Distortion Monitor Verification Tester is National Institute of Standards and Technology (NIST) traceable. Frequency of verification is based on the critical nature of the ESD susceptible items handled. Desco recommends annual calibration of workstation monitors and the Wave Distortion Monitor Verification Tester.

Desco Single-Wire Wave Distortion Continuous Monitors are defined in ESD TR1.0-01-01 as impedance continuous monitors. Most metrology departments or companies specializing in calibration will not have the specialized test equipment needed for the calibration or verification of wave distortion continuous monitors. The Desco 98221 Wave Distortion Monitor Verification Tester meets ANSI/ESD S20.20 and Compliance Verification ESD TR53.