One Gauge for Multiple Applications The 39DL PLUS gauge offers powerful measurement features and a suite of application-specific software options, making it an all-in-one solution for your current and future requirements. › Wide thickness range: 0.08 mm (0.003 in.) to 635 mm (25 in.) depending on material and transducer selection › Standard resolution: 0.01 mm or 0.001 in. for all transducers › High Resolution software option of 0.001 mm or 0.0001 in. with single element transducers from 2.25 MHz to 30 MHz › Corrosion thickness gauging with dual element transducers › THRU-COAT™ technology and echo-to-echo measurements on painted and coated surfaces › Internal Oxide/Scale software option for boiler tube and internal oxide measurements › Multilayer software option to measure up to four layers simultaneously › High Penetration software option for attenuating materials such as fiberglass, rubber, and thick castings › Thickness, velocity, and time-of-flight measurements › Differential mode and reduction rate mode to track thickness variation and its percentage from a preset value › Time-based B-scan mode: 10,000 reviewable readings per scan › High Dynamic Gain technology with digital filters optimizes the starting gain setting based on calibration › V-Path Builder for custom V-path compensation in corrosion applications › Designed for EN15317 compliance › Compatible with all probes and accessories supported on the predecessor model