3031 Digital phonometer

This instrument is easy-reading and it is particularly indicated for schools.

Range:
low values: 35 to 100 dB.
high values: 65 to 130 dB.
Resolution: 0,1 dB.
Accuracy: 1,5 dB.
Frequency: 31,5 to 8 kHz.
DC/AC output for external voltmeter.
With battery.