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Class 1 Sound Level Meters with 1/1 & 1/3 Octave

Model No : BSWA308


Integrating Sound Level Meter
IEC 616172 Class – 1
  • Real-time 1/1 Octave
  • Real-time 1/3 Octave
  • Frequency Response – 10Hz – 20KHz
  • Measurements: LXY(SPL), LXeq, LXYSD, LXSEL, LXE, LXYmax, LXYmin, LXPeak, LXN.
    Where - X is the frequency weighting: A, B, C, Z;
    Y is time weighting: F, S, I; N is the statistical percentage: 1~99.3 profile (L1 to L99.3) and 14 custom define measurement are calculated in parallel with different frequency / time weighting
  • Range – 25dBA~136dBA,
  • Data Sampling Rate - 0.1s, 0.2s, 0.5s, 1s upto 24h
  • LCD 160 x 160 with Backlight
  • Storage – 4GB MicroSD card.


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Integrating Sound Level Meters

Model No : TES-1353H

The Integrating Sound Level Meter comes with LEQ and data logging facility. This meter is suitable for environment noise monitoring purpose.

Measuring Units

  • spl, leq, sel, maxl, minl, ln (5%, 10%, 50%, 90%, 95%)

Measurement Levels

  • 30 - 130 db- 32000

Features

  • Compliant with IEC 61672-1 class2 standard
  • Easy to use for Equivalent continuous sound pressure level
  • Sound exposure level, Percentile level, Maximum level and Minimum level can be measured simultaneously
  • Dynamic range of 60dB
  • Six range from 30 to 130dB
  • A&C Frequency Weighting
  • Impuse/Fast/Slow dynamic characteristic
  • 32000 Records Data logging function
  • USB interface
  • Sound Level Alarm Output
  • Real time clock with calendar

Technical Specifications

Applicable standards IEC61672-1 : 2003 Class 2 , IEC60651 : 1979 Type 2
IEC60804 : 1985 Type 2 , ANSI S1.4 : 1983 Type 2
Measurement item SPL, Leq, SEL, MaxL, MinL, Ln (5%, 10%, 50%, 90%, 95%)
Measurement level 30dB to 130dB
Linearity range 60dB
Measurement frequency range 31.5 Hz to 8KHz
Frequency weight A and C
Time weight Fast, Slow and Impulse
Microphone 1/2 inch Electret condenser microphone
Measurement level range 5 ranges in 10-dB step : 30 ~ 90dB , 40 ~ 100dB, 50 ~ 110dB, 60 ~ 120dB, 70 ~ 130dB
Digital display 4 digit LCD , 0.1dB resolution, updated every 1s
Quasi-analog bar indicator 1-dB steps, 60dB display range , updated every 0.125s
Display Warning function
Over range indicator
Under range indicator

Displayed at the upper limit
Displayed at the lower limit
Analog AC / DC output 2Vrms ( at full scale ) , 10mVDC / dB
Power supply Four 1.5V LR-6/AA size cell, AC adaptor
Battery Life about 24 hours
Operating temperature, humidity -10¢J to 50¢J (14¢K to 122¢K ) R.H. < 90% non-condensing
Dimensions 265 (L) × 72(W) × 21(H)mm, ( 10.4” L × 2.8” W × 0.8” H )
Weight Approx. 310g
Accessories Instruction manual, Battery, Carrying case, Adjustment screwdriver, Software, Wind shield, USB connecting cable, 3.5£r plug
Optional accessories Microphone extension cable, AC Adaptor

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