Description

Extech 407790A-NIST
- Wide measurement in 5 ranges: 20 to 90dB, 20 to 100dB, 20 to 110dB, and 30 to 120dB, 40 to 130dB
- Analog AC/DC recorder output
- Real time clock with Year, Month, Day, Hour, Minute and Second display
- Optional microphone extension cable for measurements in enclosures and other remote locations (407764-EXT)
- Meets ANSI and IEC Type 2 standards
Real Time Octave Band Analyzer
Extech’s Type 2 Integrating Sound Level Meter with Octave and 1/3 Octave Band Real Time is displayed on a large 3.5″ 320×240 TFT color backlit LCD. The Sound Level Meter complies with the requirements of IEC 61672‐1:2003 standard for a Class 2 instrument. See specifications section for more applicable standards that apply to this meter.
Refer to the diagram below for the following descriptions.
1. Windscreen | 9. Trig IN jack |
2. Microphone | 10. Micro SD card slot |
3. Display | 11. Power switch |
4. Operation keys | 12. Hand strap |
5. 6VDC adapter jack | 13. USB port |
6. DC analog output jack | 14. Battery compartment |
7. AC analog output jack | 15. Tripod mounting screw |
8. Comparator output jack |

Product General Attributes | |
---|---|
HTS/Schedule B Number | 9027.89.8090 |
ECCN Number | EAR99 |
Country of Origin | Taiwan |
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