Cooperates with the R4700SD & SD-9300 Data Logging Environmental Meter as a professional sound level meter.

Features
30 to 130 dB, 3 ranges
Frequency weighting networks are designed to meet the IEC 61672 class 2
A weighting networks are conformity to standards
Fast Time weighting dynamic characteristic modes
Condenser microphone for high accuracy & long-term stability
Over/Under indicator
Low battery indicator
Electric condenser microphone
Size of microphone: 1/2 standard size