SLM-269 Sound Level Meter Audio Decibel Noise Tester 30~130dBA Volume Measuring Instrument

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SLM-269 Sound Level Meter Audio Decibel Noise Tester 30~130dBA Volume Measuring Instrument

Regular Price $23.90
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This Sound Level Meter is designed to meet the measurement requirements of Safety Engineers in Health and Industrial Safety fields and in other various environment where Sound Quality Control is needed such as in factory, home, office, traffic road, theater, etc.


  • Designed to meet the following standards:
    • International electrician committee standard: IEC PUB 651 TYPE2
    • US national standard: ANSI S1.4 TYPE2
  • Factory Pre-calibrated
  • Alarm symbol display for over and under min and max range
  • Maximum value holding function
  • Bar graph indication
  • A & C frequency weight selection
  • FAST & SLOW time weight selection
  • AC/DC output terminal
  • Low battery indication
  • Equipped with sponge ball to filter-out unwanted signals
  • With tripod mounting hole


  • Measuring range: 30~130dBA, 35~130dBC
  • Accuracy: ±1.5dB (under reference condition)
  • Frequency range: 31.5Hz~8.5KHz
  • Level range: 30~80dB, 50~100dB, 60~110dB, 80~130dB, 30~130dB
  • Linearity range: 50dB / 100dB
  • Frequency weighting: A / C
  • Digital display: 4 digits
  • Resolution: 0.1dB
  • Sampling rate: 2 times/second
  • Bar graph: 50dB scale at 1 dB step for monitoring current sound pressure level display sample rate: 20 times/sec
  • Over indication: OVER / UNDER
  • AC output: 0.707Vrms at FS output impedance approx. 600 ohm
  • DC output: 10mV/dB, output impedance approx. 100ohm
  • Time weighting: FAST / SLOW
  • Microphone: ½ inch electret condenser microphone
  • Power Supply: 4 x 1.5V AA battery or DC 6V 100mA (maximum DC9V)
  • Power life: about 30 hours (alkaline battery)
  • Operating environment: 0~40°C temperature / 10~85%RH humidity
  • Storage environment: -10~40°C temperature / 0~70% RH humidity


Set Includes:

  • 1 x Sound Level Meter
  • 1 x Sponge Ball (Windscreen Filter)
  • 1 x AC output wire
  • 1 x English Operation Manual
  • 4 x 1.5 AA Alkaline Batteries
  • Carrying Case
  • Standard Factory Packaging

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