DFX-244
The DFX 244 has a brightness color display even in direct sunlight. This unit has a pre-programmed square wave pulsar for the best possible performance. The auto-calibration feature provides rapid calibration of the probe zero and velocity functions.

Each unit comes with the following features:
• Square wave pulsar
• Auto Calibration
• High Contrast Display
• Two Independent Gates
• Time Corrected Gain
• Reject
• Rectification of Signal
• Storage of A-Scans & Thickness Reading
• 2 Year Limited Warranty

DFX-344
The DFX-344 has all the features of the DFX-244 plus the following:
• Broad and narrow bands
• 35 mhz bandwith
• Variable pulsar
• 20 meter range
• 100 waveform staorge capability
• 2 year limited warranty