SML ST11D

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SML ST11D

INTEGRATING ALGORITHMS FOR OCCUPATIONAL NOISE 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.

Integrating Algorithms for Occupational Noise

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.

Data Logging & Precision Recording

ST-11D is your ideal sound level meter for real-time noise measuring as well as long-term noise exposure documenting over time. Condenser microphone for high accuracy & long-term stability. Built-in memory for sound recording and measurement results (including Start/Stop Time, %Dose, TWA). Low power consumption and USB port charging allow long-hour usage.

Features

IEC 61672-1:2013 Class 1 Standard
27-140 dB measurement range
±0.7 dB high accuracy
0.1 dB resolution
10-20k Hz frequency range
A, C, Z frequency weightings
RS232 Data Output / USB computer interface
Data Logging & Record functions
Measurement Report Printing
Optional: Class 1 Sound Level Calibrator (94/114 dB

Specifications

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

SML ST11D

SML ST11D

Integrating Algorithms for Occupational Noise

Data Logging & Precision Recording

Features

Specifications

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