Product Description
Sound Level Meters Class 2 With Display 128×64 OLED, ST-21D is the 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.