Amprobe SM-20-A Sound Meter

Amprobe SM-20-A Sound Meter

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Brand:Amprobe
Branch: Industrial Grade

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Overview
Specifications
Features
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The Amprobe SM-20-A Sound Meter has been designed to envision compliance with safety rules and perform acoustic analysis by safety engineers, health, industrial and safety offices moreover as an internal control. The SM-20-A offers a PC interface.

They use 2 completely different coefficient filters needed by the IEC651 and ANSI S1.4 kind a pair of for audio filtering. The A-weighting is for general noise sound level and also the C coefficient is for activity sound level of acoustic material management in varied environments (ie 94dB one kHz etc.)

Microphone 1/2 Electret condenser microphone
Standard applied IEC 651 Type 2, ANSI 1.4 Type 2
Dynamic range 50 dB
Time weighting Fast (125 mS), Slow (1 sec)
Frequency range 31.5 Hz → 8 kHz
Measuring level range (Auto Range) A-Weighting: 30 dB → 130 dB
C-Weighting: 35 dB → 130 dB
Data Data hold Min/max
Internal memory - 14,000 records

 

Specifications
Display: 4 digits LCD
Microphone: 1/2 inch Electret condenser microphone
Power supply: 9V NEDA 1604, IEC 6F22, JIS 006P battery
Auto power off: Approx. 5 min
Environment: Indoor operation, < 2000 m
Standard applied: IEC 651 Type 2, ANSI 1.4 Type 2
Dynamic range: 50 dB
Resolution: 0.1 dB, display update: 0.5 sec.
Time weighting: FAST(125mS), SLOW(1 sec)
Accessories: Carrying case, windscreen, User manual and 9V battery

 

  • Designed to meet the measurement requirements of safety engineers, health, industrial safety offices and quality control in various environments.
  • A and C weightings for checking compliance with safety regulations as well as acoustic analysis
  • Measuring ranges: A weighting 30~130dB, C weighting 35~130dB
  • Frequency range: 31.5Hz~8KHz
  • Display with 0.1dB steps on a 4 digit LCD
  • Slow (1 sec) and fast (125ms) response settings to check peak and average noise levels
  • Max/min recording
  • Internal memory, 14,000 records
  • Recording intervals from 1 second to 8 hours
  • PC computer download capabilities
  • Data hold to freeze reading on the digital display
  • CE, designed to meet IEC651 type 2, ANSI S1.4 type 2
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