Class 1 Sound Level Meter ST-11D – Scarlet Tech

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.

Data Sheet

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