Product

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.

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.

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 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.

Feature

  • 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
  • Fast, Slow, Impulse, Peak time weightings
  • RS232 Data Output / USB computer interface
  • Data Logging & Record functions
  • Measurement Report Printing
  • Optional: Portable High Speed Printer Kit
  • Optional: Class 1 Sound Level Calibrator (94/114 dB)

Specification

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

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