SLM-442 Sound Level Meter Datalogger Decibel Noise Tester SPL Monitor with 31,000 Data Record Function, Visual Hi | Low Alarm A | C Weighted Colored Screen Display for Home, Classroom, Traffic Noise Monitoring etc.

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Sound Level Meter is expertly crafted to meet the precise needs of noise engineers, quality control specialists, and health safety professionals. Whether you're measuring sound levels in a factory, office, traffic, or at home, this device delivers reliable and accurate results. It's the perfect tool for various noise measurement applications, ensuring a safe and compliant environment is maintained.

Features:

  • Real-time measurement
  • A/C Frequency weighting selection
  • Fast/Slow time weighting selection
  • Three-color light alarm
  • High/Low alarm value setting
  • MAX / Data HOLD function
  • Data storage function (record up to 31,000 data)
  • Data read (only on PC) and Delete
  • Automatic shutdown after 10min of no operation
  • Date and Time display (year-month-day-hour-minute-second)
  • USB charging and PC communication are compatible with the following OS: Microsoft Win 7, 10, and 11
    • provide data record and download
    • real-time data sampling and analysis
    • printing graph and data functions
  • Standard approval
    • International electrician committee standard: IEC PUB 651 TYPE2
    • US national standard: ANSI S1.4 TYPE2
  • Tripod fixed screw aperture
  • Type-C interface

Specifications:

  • Measurement range: 30~130dB (A), 35~130dB (C)
  • Accuracy: ±1.5dB (Reference sound pressure standard, 94dB@1KHz)
  • Resolution: 0.1dB
  • Frequency Weighting: A/C
  • Frequency Response: 31.5~8500Hz
  • Time-weighting: FAST/SLOW
  • Sampling rate: FAST- 8 times/second ; SLOW - 1 times/second
  • Rated current: 70mA
  • Standby current: 5uA
  • Power supply: 3.7V lithium battery / 1000mAh
  • Charging time: 1.5h
  • Duration of service: 8h
  • Data storage: 31,000
  • Microphone: 1/2-inch polarization capacitance microphone
  • Operating Environment: 0~50°C; 10~80% RH
  • Dimension: 160 x 56 x 31mm (excluding sponge ball)
  • Weight: approx. 126gms (excluding sponge ball)


Set Includes:

  • 1 x Sound Level Meter
  • 1 x Windproof Sponge ball
  • 1 x USB Cable
  • English Instruction Manual
  • Standard factory packaging


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