ILSM-441 Decibel Meter Datalogger Sound Level Tester Noise Decibel Reader Monitor SPL Meter with 43,000 Data Record, Visual Alarm, A/C Weighted, PC Connection Colored Screen Display for Home, Classroom, Traffic Noise Monitoring etc.

Sku: ILSM-441
$52.90 USD
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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 a wide range of noise measurement applications, ensuring you maintain a safe and compliant environment.

Features:

  • A/C frequency weighting selection
  • Fast/Slow time weighting selection
  • Three-color light alarm
  • MAX/MIN/HOLD Function
  • Data storage function - 43,000 data record
  • Data read and delete
  • Automatic shutdown can set and also shutdown when battery runs out
  • Data and time display (year-month-day-hour-minute-second)
  • Line chart with visual noise data changes
  • Alarm light function (High/Low alarm value)
    • Green: does not exceed yellow(low)alarm value
    • Yellow: exceed the yellow(low) alarm value
    • Red: exceed the red(high) alarm value
  • USB charging and PC communication compatible with the following OS: Microsoft Win 7, 10 and 11
    • for data record download
    • real-time data sampling analysis
    • printing graph and data function
  • DC output
  • 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:

  • Calibration sound source: 94dB@1KHz
  • 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: 43,000
  • 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. 114gms (excluding sponge ball)DC output: Output the noise value by voltage mode according to proportion

    DC voltage range: 300mV~1300mV
  • DC voltage error: ±5mV
  • DC impedance: 120R
  • DC and noise relationship: Vout=dB x 10 unit: mV (dB: noise value, Vout: DC output voltage)


Set Includes:

  • 1 x Sound Level Meter
  • 1 x Windproof Sponge ball
  • 1 x USB Cable
  • English Instruction Manual
  • Standard factory packaging
Download Software
RETURN AND REFUND

Most new, unopened items can be returned within thirty (30) days of delivery for a full refund. If the return is due to our error—such as receiving an incorrect or defective item—we will also cover the return shipping costs.

If you request a refund, it will be issued using the original payment method within four (4) weeks after you hand the package over to the return carrier. This timeframe includes shipping transit to our facility, processing upon receipt, and the time required for the refund to be posted to your account.

WARRANTY POLICY

Most of our items come with one (1) year warranty for manufacturer defects. It does not include damage caused by misuse, accidents, abuse, alterations, neglect or other external causes.

The warranty will not extend to consumables (i.e. electrodes, calibration solution, battery, index oil), accessories, cable, compact disk and/or any written document bundled with the item.

For more information, please visit our Return, Refund, and Warranty Policy page.

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