DSL-330C Digital Sound Level Meter Product ID: DSL-330C

Commonly used in noise pollution studies for the quantification of almost any noise, the sound level meter measures sound pressure level. Especially for industrial, environmental and aircraft noise, this meter is the most appropriate and accurate one. As a leading Taiwanese manufactures of high quality test and measurements, our sound level meter performance is conformed to the international standard, Complete with IEC-61672-1 Class 2 Standard

If you are interested in our products, please feel free to contact us anytime. The followings are the brief introduction for our new DSL-330C sound level meter, take a look and find the most suitable one for your needs.

DSL-330C digital Sound Level Meter


  • Standard Applied: IEC61672-1 Class 2 Standard
  • Frequency Range 20 Hz ~ 8KHz
  • Measuring Level Range: 30 ~ 130dB
  • Frequency Weighting: A/C
  • Microphone : 1/2 inch electric condenser microphone
  • Display LCD Back Light Function
  • Digital Display 4 digits , Resolution: 0.1dB, Display Update: 0.5 sec
  • Time Weighting FAST (125mS); SLOW(1 Sec)
  • LEVEL Range : Lo: 30 ~ 80dB ; Med: 50~ 100dB, Hi: 80~ 130dB; Auto Range : 30~ 130 dB
  • Accuracy +/-1.5dB (under reference condition at 94dB 1KHz)
  • Measuring Level Range: 30 ~ 130dB
  • Dynamic Range: 60 dB
  • Over and Under range Indication Function
  • ""OVER"" is displayed, while input is more than upper limit of range. ; "" UNDER"" is displayed, while input is less than lower limit of range.
  • MAX/MIN Hold
  • Hold Reading the Maximum and Minimum Value
  • AC Output 1V rms at FS (Full Scale), output impedance : Approx. 100 Ω
  • DC Output 10mV/dB, Output impedance approx. 1K Ω
  • Auto Power Off 30 minutes if no operation
  • Sound Level Meter GENERAL Information
  • Power Requirement: One piece 9V battery NEDA 1604
  • Power Life About 50 Hours (Alkaline battery)
  • AC Adapter (option) Voltage 9VDC (8~ 15 V DC Max) ; Supply current : > 30mADC
  • Operation Temperature 0 to 40 ºC (32 to 104 ºF)
  • Operation Humidity 10 to 90% RH
  • Storage Humidity 10 to 75% RH
  • Weight: 6.49 oz(185g)
  • Accessories: 9V battery, Carrying case, calibration screwdriver, 3.5Ø plug, windscreen and owners manual.
  • Tripod Connection Hole Able to connect Camera Tripot Stand
  • Tripod Stand (Optiona DSL-330-ST)


4 Digit LCD display.

Analog Bargraph display 30 sement.
Max, Min Function.
Fast & slow dynamic characteristic models.
Level Range from 30 ~ 130dB.
Resolution 0.1dB update Cycle 0.5s.
Accuracy ±1.5dB.
A & C Frequency Weightings.
AC/DC Signal output.
Low Battery Indication.
Level Range: Lo = 30 ~ 90dB; Med Range = 50 ~ 110dB; Hi = 70 ~ 130dB

Complete with IEC-61672-1 Class 2 Standard

*Digital Sound Level Meter DSL-330C:

 This sound level meter from Tecpel has been designed to meet the measurement requirements of safety engineers,

Health, Industrial safety offices , and sound quality control in various environments.

Both AC and DC signal outputs are available from standard 3.5 mm coaxial socket, suitable for a frequency analyzer,

level recorder, FFT Analyzer, graphic recorder and etc.