This document describes the features and characteristics of a sound level datalogger. The datalogger features autoranging over 6 ranges, a large LCD display, data storage and transfer to a PC, A&C weighting, and fast/slow response. It meets ANSI S1.4 Type II and IEC 651 standards and is suitable for monitoring office or plant noise, maintaining noise level statistics, and performing machinery noise monitoring, among other applications.
The document is a product datasheet for the EXTECH 407764 Sound Level Datalogger. It highlights key features such as built-in recording storage for up to 128,000 readings and an RS-232 interface for data transfer to a PC.
Technical specifications include autoranging over six ranges from 30 to 130dB with high accuracy to +1.5dB and 0.1 dB resolution. The device supports A&C weighting and Fast/Slow response, meets ANSI S1.4 Type II and IEC 651 standards, and includes an internal self-test when powered on.
| Recording Capacity | up to 128,000 readings |
|---|---|
| Measurement Range | 30 to 130dB |
| Accuracy | + 1.5dB and 0.1 dB resolution |
| Weight | 100g |
| Dimensions | 265 x 72 x 21mm |
| Microphone Diameter | 0.52" (13.2mm) |
The device meets ANSI S1.4 Type II and IEC 651 standards.
Data can be easily transferred to a PC via the RS-232 interface using the provided software and cable.
Yes, it performs an internal self test when powered ON.