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Reed Instruments SD-4023 SD 4023 Sound Level Meter Data Logger
Reed Instruments SD-4023 Sound Level Meter Data Logger
Product Resources


  Reed SD-4023 Datasheet Reed SD-4023 Datasheet
  Reed SD-4023 Users Manual Reed SD-4023 Users Manual

Reed Instruments SD-4023 Sound Level Meter Data Logger

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Reed Instruments SD-4023 SD 4023 Sound Level Meter Data Logger

The Reed SD-4023 Sound Meter features data logging capabilities & can measure sound levels in compliance with EC61672 Class 2 specifications.

Reed SD 4023 Features
  • Measure sound levels in compliance with EC61672 Class 2 specifications
  • Weighting for A/C frequency
  • Weighting for Fast / Slow time
  • Data hold
  • Max - Min record
  • Measure in degrees C and degrees F
  • SD memory card (optional) real time datalogger 
  • No additional software required, simply plug your SD card into your PC and download directly into EXCEL
  • Backlit LCD 
  • Automatic or manual power down 
  • RS232 and USB computer interface

SD-4023 Specifications

Measuring Range 30 to 130 decibels
Resolution 0.1 decibel
Accuracy 31.5 Hertz ± 3.5 decibels, 63 Hertz ± 2.5 decibels, 125 Hertz ± 2.0 decibels, 250 Hertz ± 1.9 decibels, 500 Hertz ± 1.9 decibels, 1 kHertz ± 1.4 decibels, 2 kHertz ± 2.6 decibels, 4 kHertz ± 3.6 decibels, 8 kHertz ± 5.6 decibels
Weighting of Frequency
C - FLAT Response
A - Listening with the Human Ear
Time Weighting
Fast - 200 milliseconds
Slow - 500 milliseconds
Frequency Range 31.5 - 8,000 Hertz
Automatic Sample Time 3600, 1800, 600, 300, 120, 60, 30, 10, 50, 2, 1 sec.
Power Supply Six AA 1.5 Volt UM3 batteries
Meter: 245mm x 68mm x 45mm
Microphone: 12.7 millimeters diameter
Weight 489 grams (1.08 pounds)

Choose Options and Quantity
Accessories SD Memory Card 2GB SD-2GB [+$28.00]
USB Cable USB-01 [+$59.00]
RS232 Cable UPCB-01 [+$19.00]
Data Acquisition Software SW-U801-WIN [+$69.00]
Accredited Calibration Certificate CERTITM2
Tripod BS-6
Soft Carry Case CA-05A [+$16.00]
Wind Shield Ball SB-01 [+$7.00]
Sound Level Calibrator SC-05 [+$154.80]
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