... and auto power off Ultrasound thickness gauge- Capable of performing measurements on a wide range of material, including metals, plastic, ceramics, composites, ... N07 9Transducer: HT5 Specifications- Display:4.5 digits LCD with EL backlight.- Measuring Range:0.75~300mm (in Steel).- ... 1mm.- Accuracy:±(0.5%Thickness+0.04)mm, depends on materials and conditions- Units:Metric/Imperial unit selectable.- ...