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TES-1358E Sound Analyzer

The TES-1358E Sound Analyzer is a Class 1 precision instrument for professional noise measurement and real-time 1/1 and 1/3 octave band analysis, suitable for advanced acoustic and environmental applications.

  • Class 1 Accuracy: ±0.7 dB, compliant with IEC 61672-1, IEC 61260, and ANSI standards.
  • Real-Time Octave Analysis: 1/1 and 1/3 octave band filters from 12.5 Hz to 20 kHz.
  • Wide Measurement Range: 30–130 dB with A, C, and Z frequency weighting.
  • Data & Connectivity: TFT LCD display, microSD data logging, USB interface, and AC/DC signal output.

Description

The TES-1358E Sound Analyzer is a professional Class 1 sound level meter designed for accurate noise measurement and frequency analysis. It supports real-time 1/1-octave and 1/3-octave analysis, making it suitable for environmental noise monitoring, industrial noise testing, and acoustic studies. With a wide measurement range of 30 to 130 dB and frequency coverage from 12.5 Hz to 20 kHz, it delivers precise and reliable sound analysis in demanding applications.

The analyzer features a 3.5-inch TFT LCD display with backlight for clear viewing and easy operation. It includes data logging with internal memory and microSD card support, multiple frequency and time weightings, and AC/DC signal outputs for further analysis. Compact and robust, the TES-1358E is ideal for professionals working in environmental monitoring, workplace noise assessment, building acoustics, and research laboratories.

Features

  • conforms to class 1 of the IEC 61672-1 standard.
  • 1/1-Octave and 1/3-Octave analysis in real time.
  • A trigger, either internal or external, can initiate a measurement.
  • Output from a comparator to activate external devices
  • Superb TFT LCD with backlight and good contrast.
  • 90 dB of dynamic range.

Specifications

 

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, τ=10ms, Impulse

Accuracy

±0.7dB (ref 94dB @1KHz)

Display

3.5” 320×240 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

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

Power

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)

Accessories

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

 

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Please fill in the request form below and one of our engineers will contact you to discuss your system requirements and if we can help, our typical response time is within 1 – 3 working day.