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เริ่มเมื่อ 2012-11-03

Digital Sound Noise dB Meter Data Logger USB datalogger

DT-8851 Industrial High Accuracy Digital Sound Noise Level Meter Data Logger with USB Interface

สินค้านำเข้าจาก USA

ราคาพิเศษ 15,000 บาท


Product Description

This is a brand new CEM DT-8851 certified digital sound / noise level meter. This meter has a built-in USB port which connects to a laptop PC for recording the sound level over a period of time. This is an ideal instrument for noise monitoring in factory, school, business and traffic areas. This meter conforms to the IEC61672-1 Class 2 and ANSI S1.4 Type 2 standards.

This device operates on a 9V battery (about 30 hours) or an AC adapter (included). It is very accurate (+/- 1.4 dB) and durable, an ideal companion for your field projects. A heavy duty carrying case is also included for the protection of the device and your convenience.

PLEASE NOTE: This meter does not have internal memory It needs to attach to a computer to log data.


  • Conforms to the IEC61672-1 Class 2 and ANSI S1.4 Type 2 standard for sound level measurement

  • MIN and MAX sound level hold
  • Over range / under range display
  • A & C frequency weighting
  • Fast (125ms) and slow (1s) time weighting
  • Analog AC/DC output for connection to frequency analyzer or X-Y shaft recorder.
  • USB interface for computerized digital sound level recording


Accuracy +/- 1.4 dB
Frequency range 31.5 Hz - 8KHz
Dynamic range 50dB
Level ranges

Lo: 30 - 80 dB

Med: 50 - 100 dB

Hi: 80 - 130 dB

Auto: 30 -130 dB

Time weighting Fast: 128 ms

Slow: 1 sec

Microphone 1/2 inch electret condener microphone
Resolution 0.1 dB
Display update 2 times / sec
Analog output AC : 1Vrms,

DC : 10mv/dB


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