Extech 407730: Full Specifications, Comparisons, Manuals, Pros And Cons, Problems, And Where To Buy
Extech 407730 Information Introduction The Extech 407730 is a digital sound level meter that measures sound levels from 40 to 130dB with an accuracy of 2dB. It features a large, 2,000-count LCD display with dual reading displays, a fast-responding analog bar graph, and a choice of A or C weighting. The meter also includes a max hold function, AC analog output, and a USB datalogging port. Image