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Kewtech KEW320 Sound Level Meter with Bar Graph

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KEW320
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Optimised for electrical contractors, this versatile Kewtech KEW320 Sound Level Meter has a measurement range of 32dB to 130dB; this is comprised of three levels each spanning approximately 60dB:

  • 32-90dB
  • 50-110dB
  • 70-130dB

The Kewtech KEW320 Sound Level Meter has a measurement accuracy of ±1.4dB and a sample rate of 2 times per second. It also features a frequency range of 20Hz to 8kHz, A/C frequency weighting, and FAST/ SLOW time weighting. Comparing results from A & C weighting allows the user to measure low-frequency noise.

Measurements are viewable via the Kewtech KEW320 Sound Level Meter’s clear LCD with an analogue bar graph. Via the display, the user can also view the battery status. The Kewtech KEW320 Sound Level Meter is supplied with a 9V battery capable of providing up to 50 hours of operating time. It features an Auto Power Off function to extend the battery life.

The Kewtech KEW320 Sound Level Meter is also equipped with AC & DC output, a tripod-mounting point, and a ½-inch electret condenser microphone with a metal housing. It is supplied in a durable hard case for added protection.

Finally, the Kewtech KEW320 Sound Level Meter conforms to IEC61672-1 Class 2. It is a comprehensive, easy-to-use and rugged sound meter.

Kewtech KEW320 Sound Level Meter with Bar Graph Key Features

  • Optimised for electrical contractors
  • Measurement range: 32dB to 130dB
  • The measurement range is split into three levels: 32-90dB, 50-110dB, and 70-130dB
  • Measurement accuracy: ±1.4dB
  • Sample rate: 2 times per second
  • Frequency range: 20Hz to 8kHz
  • A/C frequency weighting
  • FAST/ SLOW time weighting
  • Compare results from A & C weighting to measure low-frequency noise
  • Clear LCD with an analogue bar graph
  • Battery-status indicator
  • 9V battery
  • Battery life: up to 50 hours
  • Auto Power Off function
  • AC & DC output
  • Tripod-mounting point
  • ½-inch electret condenser microphone with a metal housing
  • Supplied in a durable hard case for added protection
  • Conforms to IEC61672-1 Class 2
  • Versatile, easy-to-use and rugged sound meter

What’s Included?

  • Kewtech KEW320 Sound Level Meter with Bar Graph
  • 9V Battery
  • Windshield
  • User Manual
  • Hard Case
Part Code

Kewtech KEW320 Sound Level Meter with Bar Graph Technical Specifications 

Applicable standard IEC61672-1 Class 2
Frequency range 20Hz to 8KHz
Measuring range 32 to 130dB
Frequency Weighting A / C
Microphone ½ inch electret condenser microphone
Display LCD
Digital display 4 digit
0.1dB resolution
0.5 second update
Analogue display 30 segment display
2dB resolution
100mS display update
Level ranges Lo: 32 dB to 90 dB
Med: 50 dB to 110 dB
Hi: 70 dB to 130 dB
Accuracy +/- 1.4dB (ref: 94dB@1KHz)
Dynamic range 60dB
Time weighting Fast / Slow
AC Output 1mVrms at full scale (upper limit of each range)
DC Output 10mV / dB
Over limits display (for each range) ‘OVER’
Under limit display (for each range) ‘UNDER’
Min / Max On dedicated button press
Power Supply 9V 006P, IEC6F22 or NEDA 1604
Battery life Approx. 60hrs (alkaline)
Operating temperature range 0 to 40°C
Operating humidity range 10 to 90% RH
Operating altitude 2000m
Storage temperature range -10 to 60°C
Storage humidity range 10 to 75% RH
Dimensions 258 x 55 x 25mm
Weight 185g approx..

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