Sound Level Meter

Sound Analyzer

Sound Analyzer

Product Features
  • Compliant with IEC 61672-1 class 1 standard.
  • Real-time 1/1-Octave and 1/3-Octave analysis.
  • Measurement can be started by internal or external trigger.
  • Comparator output to trigger external devices.
  • Super high – contrast backlight TFT – LCD color display.
  • Dynamic range of 90dB.
  • AC and DC outputs.
  • Data transfer using USB.
  • micro SD CARD 4GB.


Applicable standards IEC61672-1:2002 Class 1, ANSI S1.4:1983 Type 1, ANSI S1.11 – 2004 Class 1, IEC61260: 1995 Class 1, ANSI S1.43 – 1997 Type 1
Microphone 1/2-inch Electret condenser microphone
Measurement range 30 to 130dB
Measurement level range 20 to 90dB, 20 to 100dB, 20 to 110dB, 30 to 120dB, 40 to 130dB
Measurement function Lp , Leq , LE , Lmax , Lmin , L05 , L10 , L50 , L90 , L95
Frequency range 12.5Hz to 20KHz
Frequency weighting A ,C and Z
Time weighting Fast , Slow, =10ms, Impulse
Accuracy ±0.7dB (ref 94dB @1KHz)
Display 3.5” 320x240 TFT – LCD display with back light
1/1 Octave and 1/3 Octave band filters 1/1 Octave band center frequencies : (11 bands)
        16Hz, 31.5Hz, 63Hz, 125Hz, 250Hz, 500Hz, 1KHz, 2KHz, 4KHz, 8KHz and 16KHz
1/3 Octave band center frequencies : (33 bands)
  12.5Hz, 16Hz, 20Hz, 25Hz, 31.5Hz, 40Hz, 50Hz, 63Hz, 80Hz,
  100Hz, 125Hz, 160Hz, 200Hz, 250Hz, 315Hz, 400Hz, 500Hz, 630Hz,
  800Hz, 1KHz, 1.25KHz, 1.6KHz, 2KHz, 2.5KHz, 3.15KHz, 4KHz, 5KHz,
  6.3KHz, 8KHz, 10KHz 12.5KHz, 16KHz, 20KHz      

Extension cable

(Optional accessories)

Available in lengths of 5m (TL-F47/5M) and 10m(TL-F47/10M)
Memory capacity Manual (250 data sets), Auto (250 blocks on micro SD CARD )
Signal output AC output   : 1 Vrms (at full scale)DC output  : 10mV/dB
Power 4 pcs of C size 1.5V (LR14) batteries
External DC power supply 6V, 1A
Battery  life Approx. 2hrs
Operating Temperature/Humidity -10°C to 50°C, 10 to 90% RH
Dimensions & Weight 34.5(H)×10(W)×6(D) cm  & Approx. 950g (including batteries)
Accessories Instruction manual, Alkaline battery × 4, Hard carry case, CD-ROM, USB cable,  micro SD card, Windscreen, 3.5 plug, AC adaptor.