Extech 407730 Digital Sound Level Meter measures from 40 to 130 dB with ±2 dB accuracy and 0.1 dB resolution. It also features AC analog output, A and C weighting, Max/Min value recording, Auto power off and Max Hold functions. This product can be used for monitoring workplace machinery, installing audio and alarm systems, and product noise certification and reduction.
The Extech 407730 is a Digital Sound Level Meter designed for monitoring workplace machinery, installing audio and alarm systems, and product noise certification. It features a 2000 count LCD display with a 50dB analog bargraph that updates every 40ms to help users view trends.
| Measuring Range | 40 to 130dB |
|---|---|
| Basic Accuracy | ±2dB |
| Resolution | 0.1dB |
| Microphone Type | 0.5" (12.7mm) condenser |
| Weight | 5.6 oz (160g) |
| Dimensions | 9 x 2.2 x 1.7" (230 x 57 x 44mm) |
The device measures sound levels from 40 to 130dB.
The meter has a basic accuracy of ±2dB.
The unit measures 9 x 2.2 x 1.7 inches.