Basic Model TT1 Series ULTRASONIC THICKNESS GAUGE TT100 TT110 TT120 TT130 TT140 Features: Portable size and easy operation Suitable for any metallic and non-metallic materials ultrasonic can go through Self-compensating of nonlinearity function is supplied for correction of pickup nonlineasity 10 measuring values can be recorded for TT100,TT110,TT130;100 measuring values can be recorded for TT140 optional 2.5MHz, 5MHz and 7MHz transducers are available Clear 4-Digit LCD display with backlight 5 pre-set sound velocities for repeating applications mm / inch selectable TT100,TT130 and TT140 are suitable for thickness testing of various materials with sound speed range 1000-9999m/s TT110 and TT120 are easy-operation models with only two keys suitable for thickness testing of steel TT120: high-temperature model TT140:with backlight display and the memory reach up to 99 Technical Specification TT100 TT110 TT120 TT130 TT140 Measuring range 0.75 – 300.00mm (steel) Measuring range for steel pipes Min.3.0mm thickness ×Φ20 diameter Diameter of transducer Φ10 (standard) Φ6 (optional) Φ12(optional) Display resolution 0.1mm 0.01mm 0.1mm Calibration 4.0mm steel base plate integrated Tolerance ±(1%H+0.1) mm (H means the thickness of tested piece) Measuring units mm/inch Sound velocity range 1000-9999m/s 5900 m/s 1000-9999m/s 1000-9999m/s Display 4-Digital LCD 4-Digital LCD with backlight Surface temperature -10℃ to +60℃ -10℃ to +300℃ -10℃ to +60℃ -10℃ to +60℃ Battery indicator Low battery voltage indicator Power supply 2 Pcs. AA batteries 1.5V Operation time 250 hours Dimensions 126mm×68mm×23mm 118mm×67mm×28mm Weight Approx.250 including batteries 330g Standard delivery Main unit 5MHz transducer 5MHz angle transducer (for TT100/110/130) ZW5P high temperature transducer for TT120 Integrated steel calibration plate 4.0mm Batteries AA 1.5V Couplant TIME Certificate Warranty card Instruction manual