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Extech 407730 Digital Sound Level Meter with NIST
Item #:
EXT-407730-NIST
Brand:
Extech
Share this product:
407730 Digital Sound Level Meter with NIST by Extech
Features
- ±2dB accuracy with 0.1dB resolution
- A&C weighting
- AC analog output
- Record Max/Min values over time
- Auto power off and Max Hold functions
- Utilizes 0.5"(12.7mm) condenser microphone
- Tripod mountable
- 40 to 130dB measuring range
- Fast/slow response time
- Tripod mountable
- Complete with 4 AAA batteries and microphone windscreen
Applications
- Monitoring workplace machinery
- Installing audio and alarm systems
- Product noise certification and reduction
| Display | LCD with bargraph |
| Microphone | 10mm (0.5”) Electret condensor |
| Measurement Bandwidth | 300Hz to 8KHz |
| Measurement Range | 40 to 130dB (A wtg), 45 to 130dB (C wtg) |
| Frequency weighting | 'A' and 'C' (selectable) |
| Accuracy / Resolution | ± 2dB @1kHz (under reference conditions) / 0.1dB |
| Response time | Fast: 125 milliseconds / Slow: 1 second |
| Calibration source | 1KHz sine wave @ 94 or 114dB |
| AC output | 0.707Vrms full scale |
| Power | 4 AAA Batteries |
| Battery life | 30 hours (typical); low battery indicator alerts user |
| Automatic power off | After approx. 20 minutes |
| Operating temperature | 0 to 50°C (32 to 122°F) |
| Operating humidity | 10 to 90% RH |
| Storage temperature | -20 to 60°C (-4 to 140°F) |
| Dimensions/weight | 230 x 57 x 44mm (9 x 2.3 x 1.7") / 172g (6oz) |
