The testo 816-1 dB meter is the professional model in the Testo range of sound measuring instruments.

• It is designed specifically for measuring sound levels in the workplace, in public places and in industry and production.
• Includes data storage and analysis
• Ideal for health and safety inspections and immission control
• Integrated memory for up to 31000 readings: long-term measuring possible

Able to change the measuring rate from slow (one measurement per second) to fast (one measurement every 125 ms) depending on the type of measurement, and being able to select between two frequency measurement types: the characteristic curve A corresponds to the way the human ear perceives sound pressure while the characteristic curve C measures the low frequency percentage of the sound.