| Operating frequency range | 1 ... 10 MHz | 
| Measure time interval range (scan duration) | 6 ... 1000 microseconds (µs) | 
| Sound velocity range | 1000 ... 9999 m/s  | 
| Deviation of measurement of time intervals | Not exceed ± 0.025 µs | 
| Max. deviation of amplitude of signals at receiver input in 0 ... 110 dB range | Not exceed ± 0.5 dB | 
| Testing gain region | 125 dB | 
| Averaging over the quantity of starts | 1 ... 16 | 
| Range of time-variable gain (TVG) / Number of control points TVG | 40 dB / 15 | 
| Duration of excitation pulse to load | 0 ... 0.5 µs | 
| Amplitude of excitation pulse to 50 Ohm load, not less | 100, 200, 300 | 
| Operating frequency range of receiver at -3 dB | 1 ... 10 MHz | 
| Deviation of amplitudes of input signals in 10 ... 100% range of screen height | Not more than 1 dB | 
| Scanning | 1 ... 1000 µs | 
| Scanning delay | 0 ... 2000 µs | 
| Measurement range of time intervals | 0 ... 1000 µs | 
| Prism of probe delay | 0 ... 15 µs | 
| Automatic signaling of defects (AFS) | Dual-gate | 
| Setting range of AFS gates | 0 ... 2000 µs | 
| Adjusting thresholds of AFS gates | 0 ... 100% | 
| Detection of signals (receiver) | Positive half-wave, radio mode | 
| Dimensions of device (approx.) | 80 x 162 x 35 mm / 3.14 x 6.37 x 1.37" | 
| Dimensions display (approx.) | 48 x 74 mm / 1.88 x 2.91" | 
| Power supply | 100 ... 250 V AC or 3 x 1.5 V AA batteries | 
| Weight (approx.) | 250 g / 0.55 lb (without batteries) |