Ultrasonic thickness meter Ultrasonic thickness gauge series Tr-8812 /tr-8811 tr-8810 Measuring range:1.0~225mm /1.2~200mm / 1.2~200mm 0.05~9 inch /0.06~8 inch /0.06~8 inch Sound velocity: 500~9000m/s. Resolution : 0.1mm. Accuracy: +/-(0.5%n+0.1).Operating conditions : 0~400c/10~90%rh. Dimensions: 120*62*30mm /160*68*32mm . Weight: 164g/208g