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

The TES-1358C Sound Analyzer is a portable Class 2 instrument for real-time 1/1 and 1/3 octave band analysis, providing accurate environmental and industrial noise measurements with AC/DC output and data logging.

  • Wide Measurement Range: 30–130 dB with A, C, and Z frequency weighting and fast, slow, impulse response.
  • Octave Band Analysis: Real-time 1/1 and 1/3 octave band filtering (25 Hz – 10 kHz).
  • Display & Data Logging: 3.5” TFT LCD, 4GB microSD card, manual/auto memory, and USB data transfer.
  • Flexible Operation: AC/DC outputs, internal/external trigger, 90 dB dynamic range, and battery-powered (2 hrs) with external DC option.

Description

The TES-1358C Sound Analyzer is a Class 2 precision instrument designed for real-time 1/1 and 1/3 octave band analysis, making it ideal for environmental, industrial, and occupational noise assessment. Compliant with international standards including IEC 61672-1:2013 Class 2, IEC 61260-1:2014 Class 2, and relevant ANSI Type 2 standards, it measures sound levels from 30 to 130 dB across 25 Hz to 10 kHz, supporting A, C, and Z frequency weightings. Its measurement functions include Lp, Leq, Lmax, Lmin, L05, L10, L50, L90, and L95, with Fast, Slow, Impulse, and τ=10 ms time weightings, delivering accurate readings within ±1.0 dB at 1 kHz. The ½-inch electret condenser microphone ensures precise sound capture for both steady and transient noise sources.

Built for portability and ease of data management, the TES-1358C features a 3.5” TFT LCD with backlight, manual and automatic data recording to a 4 GB micro SD card, and AC/DC outputs for external devices. It supports triggers from internal or external sources and includes extension cable options for flexible sensor placement. Powered by 4 C-size batteries or an external 6V DC supply, it provides about 2 hours of battery life and operates reliably in temperatures from -10°C to 50°C with 10–90% relative humidity. Accessories include a hard carry case, USB cable, windscreen, and calibration tools, making it a comprehensive solution for precise, real-time sound analysis.

Features

  • Superb TFT LCD with backlight and good contrast.
  • IEC 61672-1 class 2 standard compliance
  • 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
  • using a USB to transfer data.
  • 90 dB of dynamic range.
  • real-time calendar and clock.
  • both AC and DC outputs
  • 4GB mini SD CARD

Specifications

pplicable 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
Accuracy ±1.0dB (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 : (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

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, Adjustment screw driver, Windscreen, 3.5 plug, AC adaptor.

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