
Scarlet Tech ST-21D INTEGRATING ALGORITHMS FOR OCCUPATIONAL NOISE
Brand :
Scarlet Tech
Categories :
Sound Level Meter
ST-21D Sound Level Meters fully comply with the latest Class 2 IEC 61672:2013 standard. Advanced integrating algorithms designed to withstand industrial conditions.
Equates continuous sound level and sound exposure after choosing a time period, an ideal tool for occupational noise measurements, such as those required by the Controls of Noise at Work Regulations or OSHA Occupational Noise standards. At the front line, ensure the protection of hearing and occupational safety for employees.
High Precision
IEC 61672:2013 Class 2 Standard ±0.7 dB High Accuracy
Smart Integration
Measures and Displays Leq Value Adjustable A/C/Z Frequency Weightings
Built-In Datalogger
Download raw data directly on your computer via USB cable
Specifications
IEC 61672-1:2013 Class 2 Standard
28-133 dB measurement range
±0.7 dB high accuracy
0.1 dB resolution
20-12.5k Hz frequency range
A, C, Z frequency weightings
Fast, Slow, Impulse, Peak time weightings
RS232 Data Output / USB computer interface
Data Logging & Record functions
Measurement Report Printing
Optional: Portable High-Speed Printer Kit
Model | ST-21D |
Fulfils Standard | IEC 61672:2013 Class 2 |
Dimensions | 310×72×32 mm |
Normal frequency | 20 Hz~12.5 kHz |
Measurement range | 28~133 dB |
Measurement Level | Z(FLAT): 38 ~ 130dB / C peak: 145dB / Z(FLAT): peak: 145dB |
Main Parameters of Measurement | LFp, LSp, LIp, Leq,t, Lpeak, Leq,T, LFmax, LFmin, LSmax, LSmin, LImax, LImin, SEL, Lex8h, LAVG, TWA, DOSE, Ln1, Ln2, Ln3, Ln4, Ln5, SD,Ts, Tm, Volt, E. |
Display | 128×64 OLED |
Weight | 0.4kg |
Application | Sound level meter/ Noise Dosimeter/Data logging & Precision recording(Opt) |
Power Supply | battery 4×AAA or external power supply |