Extech SL510 si a class 2 compact digital sound level meter, with ±1dB high accuracy that allows for quick and reliable sound level testing from 35 to 130dB.
Extech SL130W is a compact digital sound level meter with ±1.5dB high accuracy that allows for quick and reliable sound level testing from 30 to 130dB.
Extech 407750 is a class 2 compact digital sound level meter, with ±1.5dB high accuracy that allows for quick and reliable sound level testing from 30 to 130dB.