Extech 407744 Sound Level Calibrator - 94dB
Use this 94 dB Sound Level Calibrator by EXTECH on 0.5" or 1.0" microphones.
Item #: 105900
Manufacturer: Extech Instruments
Manufacturer Item #: 407744
Your Price $309.99
Features & Applications:
The Extech 407744 Sound Level Calibrator is a 1kHz Professional Sound Level Calibrator designed sound level meters that are equipped with 0.5" or 1.0" Microphones.
Features:
- Calibrates and verifies Sound Level Meter operation
- Battery test position with battery status LED indicates if battery is good
- For use on Sound Level Meters with 0.5" or 1.0" microphones
- Total harmonic distortion (THD) <2% at 94dB
- Durable die-cast, aluminum housing
- 1kHz sine wave at 94dB is generated to an accuracy of 5% (frequency) and ±0.8dB
- Complete with two 9V batteries, carrying case, and screwdriver
Spec Summary:
| Specifications | Range | Accuracy |
| Frequency | 1000 Hz | ±5% |
| Sound Pressure Level | 94 dB (407744) | ±0.5dB (94dB), ±1dB (114dB) |
| Distortion | <2% Total Harmonic Distortion | |
| Operating Temperature | 32 to 122°F (0 to 50°C) | |
| Power Supply | Two Heavy duty, alkaline 9V battery | |
| Power Consumption | Approx. 10mA DC | |
| Dimensions | 2.2" diameter x 5.6" long (50 x 127mm) | |
| Weight | 0.75 lbs. (340g) | |
Extech 407744 Sound Level Calibrator Manual En Español
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