• Wide frequency range: 10Hz~20KHz.• Wide measurement range: 20dB~142dB• A...

• Perform OSHA and IEC noise accumulation surveys• 6 built-in...

• Class 1 - Precision grade with a tolerance of...

ST-21D Sound Level Meters fully comply with the latest Class...

Scarlet ST-25D integrates professional class-2 sound level monitoring that complies...