Technical Data Accuracy Positioning accuracy: ± 2mm @ 200mm wall thickness Thickness measuring accuracy: ±5% of wall thickness Measuring range 5 cm - 135 cm Position-finding accuracy, standard ±8 mm Per 200 mm wall thickness Position-finding accuracy, maximum (no influence of metal) ±2 mm Per 200 mm wall thickness Accuracy wall thickness measurement ± 5 % Disclaimer Accuracy may be significantly reduced by irregular positioned reinforcing bars, welded reinforcing mesh, sheet metal or other metal objects close to the tool. Please refer to the operating instructions for details Battery life with Alkaline battery 17 h Dimensions PX10 (LxWxH) PX10T: 160 x 95 x 33 mm PX10R: 210 x 95 x 33 mm Weight PX10T 240 g Battery Type 1 x 9 V Weight PX10R 275 g Operating Temperature Range -20 - 55 °C Max. measuring distance 135 cm IP protection class IP 56 Additional Product Info Through-hole: average conditions .32" for every 7.87" thickness up to 3.28'. Ideal conditions /- .08" for every 7.87" thickness up to 3.28' (w/o metal). Wall thickness: average conditions /- 5% of thickness up to 3.28' Package Contents Includes tool, receiver, (2) hand straps, PUA 91 adhesive putty, PUA 92 adhesive strips, (2) 9 V alkaline batteries and operating instructions in an impact-resistant plastic tool box Lifetime Service No Cost Period 2 years