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ST-15D

ST-15D

Scarlet ST-15D integrates professional class-1 sound level monitoring with a GPS analyzer that meets IEC and ANSI international standards.

It is fitted with one-third octave band filters for detailed sound analysis. Precisely measure sound level and detect noise source with one-device.

Class 1 GPS Sound Analyzer

IEC Certificate
The latest international standards
1/3 Octave
Accurate frequency analysis
Management
Real time monitoring software(Windows)
20-142 dB
Wide measurement range
GPS analyzer
Locate noise source

Best Practice of International Standards
Sound Analyzer

ST-15D meets the most up-to-date IEC and ANSI certifications.
These certifications represent the only and the highest globally standardized approach to testing, inspection, and conformity assessment.

Real-Time
1/3 Octave Band
Analysis

Analyzing a sound source by frequency basis is really time-consuming, this is where one-third of octave bands make the difference.
ST15D applies 1/3 octave band analysis.

The 1/3 octave analysis is carried out using real-time band-pass filtering with decimation technique. This allows complex sound to be split into smaller sections or bands which then produce detailed filter shapes to accurately specify noise source.

Locate
Noise Source
with GPS

Measure sound level, detect sound frequency spectrum in real time, and locate the source of sound from one device.

The integrated GPS shows start and end-point of sound location details.

Smart Software

for Sound Data Management

Monitor real-time noise measurement data and export historical data for further analysis on your computer using Scarlet Sound software.

ScarletSound software is Windows PC-compatible. Install software on the computer and connect ST-15D to computer via USB cable.

Specifications

Model ST-15D 1/3 OCT sound analyzer meter ST-15D sound analyzer meter
Fulfils Standard IEC 61260-1:2014 Class 1 IEC 61260-1:2014 Class 1
Dimensions 260 x 80 x 30 mm 260 x 80 x 30 mm
Display 240×320 color screen, adjustable brightness, backlight can be closed 240×320 color screen, adjustable brightness, backlight can be closed
Display Resolution 0.1 dB 0.1 dB
Frequency Range 10 Hz ~ 20 kHz ± 1 dB (not including microphone) 10 Hz ~ 20 kHz ± 1 dB (not including microphone)
Measurement range 20dB-142dB (145dB Peak) 20dB-142dB (145dB Peak)
Main Parameters of Measurement LFp, LSp, LIp, Leq1, Lpeak, Leq,T, LFmax, LFmin, LSmax, LSmin, LImax, LImin, SEL,Ts, Tm, Volt, E. LFp, LSp, LIp, Leq1, Lpeak, Leq,T, LFmax, LFmin, LSmax, LSmin, LImax, LImin, SEL,Ts, Tm, Volt, E.
Accuracy ±0.7 dB ±0.7 dB
Weight 0.35 kg (include batteries) 0.35 kg (include batteries)
Application Noise integrating measurement Noise integrating measurement
Power Supply battery 4×AA or external power supply battery 4×AA or external power supply
Environment Working Temperature: -10 ~ 50°C Storing Temperature: -20 ~ 70°C
Relative Humidity: 25 ~ 90 %
Working Temperature: -10 ~ 50°C Storing Temperature: -20 ~ 70°C
GPS Longitude, latitude, wind velocity, distance, direction and time calibration Longitude, latitude, wind velocity, distance, direction and time calibration
Statistical Analysis Function Measure Index: Lxyp, Lxeq,0.5s, Lxeq,T, Lxymax, Lxymin, LxyeqT , SEL, Ln as minimum: 1, 5, 10, 50, 90 with 0.1 dB resolution, SD
Note: x is A,C,Z y is F,S,I n is 1~99
24h measures index: Ld, Ln, Ldn.
Measure Index: Lxyp, Lxeq,0.5s, Lxeq,T, Lxymax, Lxymin, LxyeqT , SEL, Ln as minimum: 1, 5, 10, 50, 90 with 0.1 dB resolution, SD
Note: x is A,C,Z y is F,S,I n is 1~99
24h measures index: Ld, Ln, Ldn.
Audio Recording Optional Upgrade Record sound data and save it into “WAVE” format
SD card Optional Included
Integrating Function Optional Upgrade Lxyi, Lxyp, Lxeq,t, Lxeq,T, Lxmax, Lxmin, Lxpeak LAE, LC-A, SEL
Note: x is A,C,Z, y is F,S,I
1/3 OCT Measuring Parameters: Lxyp, Lxeq,0.5s, Lxeq,T, , Lxymax, Lxymin, Tm Note: x is A,C,Z,B,D, F0i y is F,S
1/3 octave band filter, G =103/10
Optional Upgrade
1/1 OCT Optional Upgrade Optional Upgrade
Dosimeter Function LAsp,LASMAX,LASMIN,TWA,LEX 8h, LCpeak, LZpeak, LAeq,T, LAVG, DOSE
(Optional Upgrade)
LAsp,LASMAX,LASMIN,TWA,LEX 8h, LCpeak, LZpeak, LAeq,T, LAVG, DOSE
(Optional Upgrade)
FFT Analysis Sampling Freq: 48 kHz, 24 kHz, 12 kHz, 6 kHz, 3 kHz
Measuring Parameters: MAX, MIN, LeqT
(Optional Upgrade)
Sampling Freq: 48 kHz, 24 kHz, 12 kHz, 6 kHz, 3 kHz
Measuring Parameters: MAX, MIN, LeqT
(Optional Upgrade)
Printer Thermal or dot-matrix bluetooth printer (optional) Thermal or dot-matrix bluetooth printer (optional)

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