ScarletSound ST-105S Class 1 Octave Analyzer


ST-105S Class 1 Sound Octave Analyzer is designed to meet the latest international standards IEC 61672-1:2002. ST-105S Sound Analyzer provides not only real-time analysis of sound but can also hold up to 12288 records.

Features:

  • Wide frequency range: 10Hz ~ 20kHz
  • Wide measurement range: 25dB ~ 140dB
  • Wide dynamic range: 90 dB
  • Parallel A / C / Z & Fast/Slow frequency weighting
  • Statistic analysis & integral measurement
  • USB on-the-go. Can transfer data to USB stick easily
  • Modularize design provides 4 sub models
  • Simultaneously measures A, C, Z and F, S, Impulse

Applications:

  • Evaluation of environmental noise and logging
  • Measurements of occupational noise at workplaces
  • Sound power determination and sound intensity (Type 2270)
  • Building acoustics measurements (facade)
  • FFT analysis of sound and vibration
  • Loudness and noise rating measurementsLow‐frequency building vibration according to ISO 8041:2005
  • Comply with MOM and NEA requirements

 

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Item Description
Measurement items Lp, LAFp, LAFmax, LAFmin, LAF5, LAF10, LAF50, LAF90, LAF95, SD, LAeq1s, LAeqT, LD, LN, LDN, LAE, LCpeak
Measurement range 25dB ~ 140dB (A), 30dB ~ 140dB (C), 35dB ~ 140dB (Z)
Dynamic Range >90 dB
Statistic Analysis Yes
24hr measurement Yes
Integrating Yes
1/1 Octave Yes
1/3 Octave Yes
Background Noise < 13 dB(A), 15 dB(C), 25 dB(Z)
Bargraph display Yes
Display LCD with backlight (240 x 160 dots). Refresh rate: 1 Hz for readings, 10 Hz for graph
Display refresh rate 1 time/ per second
Applicable specifications IEC-61672-1-2002 Class1, IEC-60651:1979 Type 1, IEC-60804:2000 Type 1, IEC 61620-1-1995 Class1
Microphone 1/2” pre-polarized condenser microphone w/ built-in preamplifier. Sensitivity 50 mV/Pa. Frequency response 10 Hz…20 kHz. Heat noise < 16 dB(A)
Integrate Time Setup randomly,10s, 1m, 5m, 10m, 30m, 1h, 2h, 4h, 8h, 16h, 24h or set in a given range
Max. peak sound level measurement 50~143 dB
Time constant Fast/Slow/Impulse/PeakC+/PeakC-
Frequency weighting A/C/Z
Range gain -10 dB, 0 dB, 10 dB, 20 dB, 30 dB, 40 dB
Range error < 0.1 dB
Self-generated noise voltage < 4 uV (1 Hz…23 kHz)
Measuring voltage range 15 uV…10 Vrms
Sampling frequency 20.8 us (48 kHz)
Boot time < 10 seconds
Interface USB 1.1 & 2.0 compliance, mini B type. Support OTG up to 8 GB
Battery LR6 1.5V*4 Alkaline batteries
Dimensions 285(L) x 90(W) x 39(H) mm
Weight 500g (including Batteries); 2.0Kg (including package)

 

dropnoise_scarletSound_class1_comparison

Weight 2.0 kg
Dimensions 285 x 90 x 39 cm
Warranty

This instrument is guaranteed for one year against material or production defects, in accordance with Scarlet general sales conditions. During the warranty period the manufacturer reserves the right to decide either to repair or replace the product.

Should you need for any reason to return back the instrument for repair or replacement take prior agreements with the local distributor from whom you bought it. Do not forget to enclose a report describing the reasons for returning (detected fault). Use only original packaging. Any damage occurred in transit due to non-original packaging will be charged anyhow to the customer.

The warranty doesn’t apply to:

a) Accessories and batteries (not covered by warranty)
b) Repairs made necessary by improper use (including adaptation to particular applications not foreseen in the instructions manual) or improper combination with incompatible accessories or equipment.
c) Repairs made necessary by improper shipping material causing damages in transit. Repairs made necessary by previous attempts for repair carried out by non-skilled or unauthorized personnel.
d) Instruments for whatever reason modified by the customer himself without explicit authorization of our Technical Dept.

Shouldn’t the instrument work properly, before contacting your distributor make sure that batteries are correctly installed and working, check the test leads and replace them if necessary.

Scarlet products are patented. The logotypes are registered. The manufacturer reserve the right to modify characteristics and prices as part of technological developments which might require them.

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