Class 1 Sound Level Meter ST-11D
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.
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
• 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)
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