| Item | Description |
| Measurement items (Noise Dosimeter) | Does%, Lxyp, Lxmax, Lxmin, Lxeq, SEL( LAE ), PeakMAX, LAVG, TWA, LEP, LN% |
| Measurement items (sound level meter) | Lxyp, Lxmax, Lxmin, Lxeq, SEL( LAE ), PeakMAX |
| Display range | 30…90 dB (L), 50…110 dB (M), 70…140 dB (H) |
| Primary RMS range @ 1 kHz | 41…86 dB (L), 55…106 dB (M), 75…125 dB (H) |
| Max Cpeak measurement | 90…143 dB |
| Dynamics range | 60 dB |
| Accuracy | +/- 1.4 dB @ 94 dB / 1 kHz |
| Microphone (ST-130S) | 1/2” pre-polarized condenser microphone build in preamplifier: 1V/Pa@250HZ, frequency range: 20 Hz~12.5 kHz, Thermal noise: < 25 dB(A) |
| Display | Single LCD MAX reading 999999 |
| Display refresh rate | 1 Hz |
| Internal memory | Data loger data: 10,000 NDM surveys; 1,000,000 SLM readings |
| Time weighting | Fast / Slow / Impulse |
| Frequency weighting | A /C /Z |
| Frequency range | 20 Hz…8 kHz |
| Starting time | Less than 10 sec |
| Battery life ( ST-130 ) | 24 hours ( 9V Alkaline battery x 1 ) |
| Dimensions | 107 (L) x 65 (W) x 33 (H) mm |
