Description
Extech 407730-NIST Digital Sound Level Meter with NIST Certificate

- Sound level MTR with NIST 407730
- ±2dB accuracy with 0.1dB resolution
- A+C weighting
- AC analog output
- 40 to 130dB measuring range
The 407730 sound level meter measures from 40 to 130dB with an accuracy of 2dB. The digital display offers a 0.1dB resolution and features a fast responding analog bar graph. Users can choose A or C weighting. Max Hold captures the highest reading. Includes a microphone windscreen and four AAA batteries.
Environmental Testers / Physical Property/Sound Level Meters Template | |
|---|---|
| Minimum Sound Level | 40 dB |
| Maximum Sound Level | 130 dB |
| Display (Sound Level Meter) | Digital |
| Single Range | Yes |
| Dual Range | No |
| A Frequency Weighting | Yes |
| B Frequency Weighting | No |
| C Frequency Weighting | Yes |
| Resolution (Sound Level Meters) | 0.1 dB |
| Accuracy | ±2 |
| Calibrator Capability | No |
| Vibration Measurement | No |
| Noise Level Measurement | Yes |
| Fast/Slow Time Adjustment | Yes |
| Min/Max Display | Yes |
| Tripod Mount | Yes |
| Type (Sound Level Meter) | II |
Product General Attributes | |
| Warranty | 1 YEARS |
| Safety Approval | CE |
| Interfaces I/O | Analog Output |
| Data Logging | Yes |
| HTS/Schedule B Number | 9027.89.8090 |
| ECCN Number | EAR99 |
| Calibration Included | NIST Calibration |
| Battery Type | AAA |
| Power Supply Voltage | Battery Powered |
| Country of Origin | China |



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