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• Calibrates and verifies Sound Level Meter operation
• For use on Sound Level Meters with 0.5" or 1.0" microphones
• Total Harmonic Distortion (THD) <2% at 94dB
• Meets IEC standard 60942 1997-11
• Complete with two 9V batteries, carrying case, and screwdriver
• Battery test position with battery status LED indicates if battery is good
• 1kHz sine wave at 94dB is generated to an accuracy of 5% (frequency) and ±0.8dB
| Product Includes | No |
| Specifications | Frequency 1000 Hz ±5% |
| size | 2.2" diameter x 5.6" long (50 x 127mm) |
| Shipping Weight | 2.0000 |
| Power Supply | Two 9V Batteries |
| Manufacturer | Extech |
| Manufacturer Model Number | 407744 |
| Manufacturer Warranty | 1 Year |
| Mitchell Catalog Number | No |
| upc code | 7.9395E+11 |
| PDF Download | N/A |
