ST-11D Sound Level Meters fully comply with the latest Class 1 IEC 61672:2013 standard. Built-in smart integrating algorithms and wide measuring range 27-140dB competent in most rigorous industrial use.
Measures and displays Leq value. Shows Equivalent Continuous Sound Level and Sound Exposure upon the chosen time period, ideal for occupational noise measurements such as the Controls of Noise at Work Regulations or the OSHA Occupational Noise standards. Safeguard and ensure employees’ hearing and occupational safety at the front line.
| Model | ST-11 | ST-11D |
| Fulfils Standard | IEC 61672:2013 Class 1 | IEC 61672:2013 Class 1 |
| Dimensions | 310×72×32 mm | 310×72×32 mm |
| Normal frequency | 10 Hz~20 kHz | 10 Hz~20 kHz |
| Measurement range | 27 ~140 dB | 27 ~140 dB |
| Main Parameters of Measurement | LFp, LSp, LIp, Leq1, Lpeak, Leq,T, LFmax, LFmin, LSmax, LSmin, LImax, LImin, SEL,Ts, Tm, Volt, E. | LFp, LSp, LIp, Leq,t, Lpeak, Leq,T, LFmax, LFmin, LSmax, LSmin, LImax, LImin, SEL, Lex8h, LAVG, TWA, DOSE, Ln1, Ln2, Ln3, Ln4, Ln5, SD,Ts, Tm, Volt, E. |
| Display | 128×64 OLED | 128×64 OLED |
| Weight | 0.4kg | 0.4kg |
| Application | Noise integrating measurement | Sound level meter/ Noise Dosimeter/Data logging & Precision recording(Opt) |
| Power Supply | battery 4×AAA | battery 4×AAA or external power supply |
| Contents | Meter, microphone, windscreen, calibration certificate, carrying case, English manual | |
