Specifications include, but are not limited to: 1 each, Surfer Ultrasonic Pulse Velocity Tester; 1 each, Pulsar Ultrasonic Velocity Tester. 2. Dry Point Contact, longitudinal – wave transducers w/ Ceramic wearing tips. Distance between transducers: 150 mm 3. 50 kHz center frequency 4. Nominal voltage: 3.3 V. 5. Rechargeable batter w/ 16 hours of life 6. LCD Screen ; 7. Data Transfer to computer via USB ; 8. Transit time range: 12.5 to 150 us. Transit time (t) measurement accuracy: ± (0.01 t + 0.1) µs. ; 9. Crackdepth measurement range: 10to 60mm. Pulse repetition frequency: 2 to 2 Hz. ; 10. Automatic Gain Control (AGC) function. Storage capacity: 50,000 results. Metric and inch-pound units. 11. Instrument’s weight: 450 g Instrument’s dimensions: 235 x 155 x 65 mm. Operating conditions: Temperature: -20 to 50 °C, RH ≤ 95 %;
