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Sound Meter - db Level Digital with Data Logging

SKU# - DSM403SD

dB Sound Level Meter - Class 1 - Digital with Data Logging SD Card. Class 1 Sound Meter By General Tools Accurately Measures Sound Levels of Machinery or an Environment with 0.1 dB Resolution. DSM403SD

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dB Digital Sound Level Meter - Class 1 - Data Logging SD Card DSM403SD

Class 1 Sound Meter By General Tools Accurately Measures Sound Levels of Machinery or an Environment with 0.1 dB Resolution.

This instrument’s unique feature is its patented technique for storing sampled data in Excel format on removable SD memory cards.

Sound Level Monitoring System Applications:

Acoustics design
Sound system setup
OSHA compliance
 

Sound Meter Features:

  • Measures sound levels of machinery or an environment
  • Large backlit LCD
  • Auto ranging or manual ranging 
  • "A" or "C" frequency weighting 
  • Fast or slow time weighting 
  • Min/max/peak memory plus data hold
  • Downloads logs Excel format
  • Auto power off (can be disabled for data logging)
  • Tripod mount

Sound Meter DSM403SD Specifications:

Embedded Microcontroller: Custom one-chip LSI device
Display Type: LCD with green backlight
Display Size: 2.05 x 1.5 in. 
Parameter Measured: dB
Frequency Range: 31.5 Hz to 16 kHz
Measurement Range:
     30 to 130 dB in auto ranging mode
     User can also select fixed range of 30 to 80 dB, 50 to 100 dB, or 80 to 130 dB
Measurement Weighting:
     By frequency: using Class I IEC 61672 standard; frequency weighing uses “A” or “C” standard
     By time: using Class 1 IEC 61672 standard; time weighting is fast or slow (200 ms or 500 ms response time)
Measurement Accuracy:
     With “A” frequency weighting: ± 2.0 dB @ 31.5 Hz, 1.5 dB @ 63 Hz, 1.5 dB @ 125 Hz, 1.4 dB @ 250 Hz,
     1.4 dB @ 500 Hz, 1.1 dB @ 1 kHz, 1.6 dB @ 2 kHz, 1.6 dB @ 4 kHz, +2.1 dB and -3.1dB @ 8 kHz; +3.0 dB and -6.0 dB @ 12.5 kHz, +3.5 dB and -17.0 dB @ 16 kHz
Measurement Resolution: 0.1 dB
Data Logging Sampling Time: 1 second to 1 hour
Settable Parameters: Date, time, auto power off, beep sound, sampling time, decimal point or comma decimal division, “A” or “C” frequency weighting, fast or slow time weighting
Storable/Recallable Readings: Maximum, minimum
SD Card Capacity: 1 GB to 16 GB
Operating Temperature: 32° to 122°F 
Operating Relative Humidity: 0 to 85%
Power Supply: Six Alkaline “AA” batteries or optional 9-VDC AC adapter GTAC10
Power Consumption:
     8 mADC (normal operation, with backlight off and SD card not saving data)
     14 mADC with backlight on and card saving data
     44 mADC with backlight on and card saving data
Dimensions of Meter: 9.65 x 2.68 x 1.77 in. 
Weight of Meter: 1.08 lb. 

Digital Sound Meter Included Accessories:

  • Hard carrying case
  • Sound wind shield ball
  • 2 GB SD memory card
  • User’s manual

One Year Limited Manufacture’s Warranty

Why Excel-formatted SD cards are a breakthrough in data logging technology:
  1. No muss. Unlike data loggers that use an RS-232 interface, General’s SD card instruments don’t require the end user to buy, stock and connect cables.
  2. No fuss. They also don’t require the user to add multiple jumpers between cable connectors to set up a serial communications link via RS-232. Adding even one jumper takes time and makes connections prone to failure.
  3. No software. General’s SD instruments don’t even need software. The automatically store the data they capture in a format readable by Microscoft’s Excel spreadsheet program. Any computer equipped with Excel will automatically display – as a table or graph – the data logs on an SD card inserted into it.
  4. No limits. SD cards are now available in capacities up to 32 GB. They’re not just a high-capacity storage medium, but a removable one as well. And because they’re solid-state, SD cards are inherently more reliable than rotating electromagnetic media like CD’s or DVD’s.
  5. No waste. Because the SD cards are removable, they’re portable. Once you’re done uploading the data logs on an SD card to your computer, you can erase the card and use it again – with the same SD card instrument or a different one.

Available Accessories:

    • Weight
      2.25 lbs
    • SKU
      DSM403SD
  • Manufacturer
    General Tools and Instruments
  • Dimensions
    9.65 x 2.68 x 1.77 in.
  • Product Weight
    1.08 lb.
  • Power Source
    AA batteries
  • Warranty
    One year warranty
  • Operating Temperature:
    32° to 122°F (0° to 50°C)
  • SD Card Capacity:
    1 GB to 16 GB
  • Operating Relative Humidity:
    0 to 85%
  • Display Type:
    LCD with green backlight
  • Display Size:
    2.05 x 1.5 in. (52 x 38mm)
  • Parameter Measured:
    dB
  • Frequency Range
    31.5 Hz to 16 kHz
  • Data Logging Sampling Time:
    1 second to 1 hour
  • Measurement Resolution
    0.1 dB

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