Obsnap Instruments Sdn Bhd
29A, Jalan SS 15/4C, 47500 Subang Jaya, Selangor, Malaysia.
+603-5621 5786
+603-5621 5829
+60122185651 (Enquiry)
+60162233687 (Vacancy)

Sound Analyzer Real Time 1/1 & 1/3 Octave band Analysis TES-1358C

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Sound Analyzer Real Time 1/1 & 1/3 Octave band Analysis TES-1358C Sound Level Meters Climatic / Environment Inspection

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Product Features
  • Super high – contrast backlight TFT – LCD color display.
  • Compliant with IEC 61672-1 class 2 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.
  • Data transfer using USB.
  • Dynamic range of 90dB.
  • Real time clock with calendar.
  • AC and DC outputs.
  • micro SD CARD 4GB.

Applicable standards

IEC 61672-1: 2013 Class 2, IEC 61260-1: 2014 Class 2,
ANSI S1.11: 2004 Class 2, ANSI S1.4: 1983 Type 2,
ANSI S1.43: 1997 Type 2
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 25Hz to 10KHz
Frequency weighting A ,C and Z

Time weighting

Fast , Slow, τ=10ms, Impulse


±1.0dB (ref 94dB @1KHz)


3.5” 320x240 TFT – LCD display with back light

1/1 Octave and 1/3 Octave band filters

1/1 Octave band center frequencies : (9 bands)
31.5Hz, 63Hz, 125Hz, 250Hz, 500Hz, 1KHz, 2KHz, 4KHz and 8KHz

1/3 Octave band center frequencies : (27 bands)
  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  

Extension cable

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 4GB)

Signal output

AC output   : 1 Vrms (at full scale)
DC output  : 10mV/dB


4 pcs of C size 1.5V (LR14) batteries

External DC power supply

6V, 1A

Battery  life

Approx. 2hrs

Operating Temperature/Humidity

-10 to 50, 10 to 90% RH

Dimensions & Weight

34.5(H)×10(W)×6(D) cm  & Approx. 950g (including batteries)


Instruction manual, Alkaline battery × 4, Hard carry case, CD-ROM, USB cable, 4GB micro SD card, Adjustment screw driver, Windscreen, 3.5 plug, AC adaptor.

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