TECPEL Environmental Testing Sound Level Meters DSL-331

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650.00 Grams
Minimum Purchase:
1 unit
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A sound levelmeter is a measuring instrument used to assess noise or sound levels by measuring sound pressure. Often referred to as a sound pressure level (SPL) meter, decibel (dB) meter, noise meter or noise dosimeter, a sound level meter uses a microphone to capture sound.

DSL-331 from Tecpel is a handheld sound level meter used to take acoustic measurements.

DSL-331 from Tecpel comes with the following properties:

  • Auto Ranging Measurement 30dB to 130dB.  
  • Work with Windows Software.  
  • Bar graph Indication with Back Light.     
  •  RS-232 Real Time Display Software for Windows 95/98/2000 Windowss 7.    
  •  Frequency Weighting: A, C.
  •  4-Digit Display with updated cycle 0.5s.
  •  Resolution: 0.1dB resolution.
  •  Max/Min holds Function.
  •  The standard Fast and Slow Time weightings.  
  •  AC/DC signal output.  
  •  Overload condition indication.  
  •  Auxiliary output jack.
  •  IEC 651 type II, ANSI S1.4 Type2.
  • Calibration Potentiometer easy to adjust.
  • Back screw hole tripod connection.
  • External Power DC 9V input.
  • Calibration Potentiometer easy to adjust.
  • 32,000 Records Data Logger.  

Brand Information

Tecpel Co. Ltd. has over 20 years of experience in the Test and Measurement market. They have set up over 50 country distributors worldwide. Some of their products have been branded by famous leaders in the market. About 60% of their customers are repeat customers. Tecpel imports products from Japan and carries out quality checks. Their products are exported to Europe mainly. If customers find a fault with the product, they will replace it with a new product within 2-3 days.

They are regarded as one of the leading Taiwanese manufactures of high quality test and measurements. Their product lines include power supplies, oscilloscopes, electronics & electrical meters and testers. Tecpel’s quality products have been accepted by some well-known international customers. The confidence they have in their products is reflected in their one-year warranty and by their flat-rate service policy through 3-5 years.

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Warranty Information

One-Year Warranty
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Additional Information

Standard Applied:
IEC651 Type 2, ANSI S1.4 Type 2.
Frequency Range:
31.5Hz ~ 8KHz.
Measuring Level Range:
30 ~ 130dB.
Frequency Weighting:
1/2 inch electric condenser microphone.
LCD Back Light Function.
Digital Display:
4 digits, Resolution: 0.1dB; Display Update: 0.5 sec.
Analog Display:
50 segment Bar graph, Resolution, Resolution: 1dB, Display update: 50mS
Time weighting:
Fast (125ms); Slow (1 sec).
Level Range:
Lo: 30~80dB; Med: 50~100dB, Hi: 80~ 130dB; Auto Range: 30~ 130 dB.
±1.5dB (under reference condition at 94dB 1KHz).
Dynamic range:
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.
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.
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.
10 oz (285g).
9V battery, Carrying case, calibration screwdriver, 3.5Ø plug, windscreen and owner’s manual.
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