Protmex PT6708 Sound Level Meter Digital Sound Level Meter Reader Measurement Range 30-130 dBA Accuracy 1.5dB Noise Meter with Large LCD Screen Display Fast and Slow Selection 1*pc Size:1*pc Grommets to fit 1/2" holes

Grommets to fit 1/2" holes in mason jar lids outside diameter 5/8" thickness 1/4"

Timken Seals are designed to prevent leakage around valves

Glue is machine washable and remains flexible so your creations can be cleaned without worry

A survey conducted by Opinionology

14" (40lb Strength)

Protmex PT6708 Sound Level Meter Digital Sound Level Meter Reader Measurement Range 30-130 dBA Accuracy 1.5dB Noise Meter with Large LCD Screen Display Fast and Slow Selection 1*pc Size:1*pc Grommets to fit 1/2" holesProtmex PT6708 Sound Level Meter Digital Sound Level Meter Reader Measurement Range 30 130 dBA Accuracy 1. 5dB Noise Meter with Large LCD Screen Display Fast and Slow Selection Whether you're monitoring workplace machinery, installing audio or alarm systems, or handling product noise certification and reduction, the Protmex Digital Sound Level Meter gets the job done. This meter accurately monitors sound levels in a range from 30 to 130 decibels. It