| Maximum Measurement Range | 0.63 
                      - 500mm (0.025 - 19.999") (dependent on transducer and material) | 
                 
                  | Velocity Range | 1250 
                      - 10000m/s (0.0492 - 0.3930 in/µs) | 
                 
                  | Accuracy | ±0.01mm 
                      (0.001") (Depends on material and conditions) | 
                 
                  | Resolution | 0.01mm 
                      (0.001") | 
                 
                  | Units | millimetres 
                      and inches | 
                 
                  | Operating Temperature | -20 
                      to 50°C (-4 to 120°F) | 
                 
                  | Keypad type | Sealed 
                      Membrane | 
                 
                  | Display | 4½ 
                      Digit Liquid Crystal Display with Backlight | 
                 
                  | Transducer | Select 
                      from Transducer Link | 
                 
                  | Power | AA 
                      1.5V Alkaline or 1.2V NiCad cell | 
                 
                  | Battery Life | 200hrs 
                      Alkaline (120hrs NiCad) | 
                 
                  | Weight | 295g 
                      (10oz) | 
                 
                  | Size | 63.5 
                      x 120.6 x 31.75mm (2.5 x 4.75 x 1.25") | 
                 
                  | Case Type | Extruded 
                      aluminium | 
                 
                  |  | Elcometer 
                      205 | Elcometer 
                      206 | Elcometer 
                      206DL | 
                 
                  | High 
                      Speed Scan Mode | l | l | l | 
                 
                  | Differential Mode |  | l | l | 
                 
                  | Alarm Mode |  | l | l | 
                 
                  | Data Output |  | l | l | 
                 
                  | Data-Logging |  |  | l | 
                 
                  | EDTS+ Excel link Software |  | ¯ | l | 
                 
                  | ElcoMaster Software |  | ¯ | l | 
                 
                  | Part 
                      Numbers | C205----1 | C206----1 | C206DL----1 | 
                 
                  | Accessories | Ultrasonic 
                    Couplant (120ml / 4oz) | T92015701 | 
                 
                  | High 
                    Temperature Ultrasonic Couplant (60ml / 2oz) | T92015874 | 
                 
                  | Test 
                    Wedge 2 – 25mm | T9205243- | 
                 
                  | Test 
                    Wedge 30 – 100mm | T9205270- | 
                 
                  | l Included  
                    ¯ Optional | 
                
                  | Click 
                    here for Ultrasonic Thickness Gauge Features Explained |