| 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 |