More info
Range: 3 Ranges from 30 to 130 dB
Meets IEC 651 Type 1 specifications
Max Hold, Data Hold
A/C frequency weighting
Fast/Slow time weighting
AC output
Internal 94 dB calibration
Electret ½” condenser microphone for high accuracy and long term stability
Data Hold, Max Hold functions and low battery indication
Frequency: 31.5 Hz to 8 kHz
Power Supply: 2 x 9 V battery