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ST-25D Sound Level Monitoring Class-2
Standard 9-15 Days Delivery | Once received to our Hub
Scarlet ST-25D integrates professional class-2 sound level monitoring that complies with IEC and ANSI standards.
It is equipped with the integration function for detailed sound analysis. Measure sound level and identify noise source with one device.
ST-25D is an ideal environmental noise measuring device with built-in data recording and statistical analyzer.
It offers a detailed statistical analysis of the logged sound level measurement data. It has up to 28 statistical Ln% values. Each statistical analyzer has several levels at L1, L5, L10, L50, L90, L95.
Monitor real-time noise measurement data and export historical data for further analysis on your computer using Scarlet Sound software.
Scarlet Sound software is Windows PC-compatible. Install the software on the computer and connect ST-25D to the computer via USB cable.
| Model | ST-25D sound analyzer meter |
| Fulfils Standard | IEC 61672 Class 2 |
| Dimensions | 260 x 80 x 30 mm |
| Display | 240×320 color screen, adjustable brightness, backlight can be closed |
| Display Resolution | 0.1 dB |
| Frequency Range | 20 Hz ~ 12.5kHz ± 1 dB (not including microphone) |
| Measurement Level | Z(FLAT): 38 ~ 130dB C peak: 145dB Z(FLAT): peak: 145dB |
| Measurement range | 28dB-133dB (141dB Peak) |
| Main Parameters of Measurement | LFp, LSp, LIp, Leq1, Lpeak, Leq,T, LFmax, LFmin, LSmax, LSmin, LImax, LImin, SEL,Ts, Tm, Volt, E. |
| Accuracy | ±0.7 dB |
| Weight | 0.35 kg (include batteries) |
| Application | Noise integrating measurement |
| Power Supply | battery 4×AA or external power supply |
| Environment | Working Temperature: -10 ~ 50°C Storing Temperature: -20 ~ 70°C |
| 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. |
| Audio Recording | Record sound data and save it into “WAVE” format |
| SD card | Included |
| Integrating Function | Lxyi, Lxyp, Lxeq,t, Lxeq,T, Lxmax, Lxmin, Lxpeak LAE, LC-A, SEL Note: x is A,C,Z, y is F,S,I |
| GPS | Longitude, latitude, wind velocity, distance, direction and time calibration (Optional Upgrade) |
| 1/1 OCT | Optional Upgrade |
| Dosimeter Function | 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) |
| Printer | Thermal or dot-matrix bluetooth printer (optional) |
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