Extech
Extech 407766 – 94/114dB Sound Calibrator
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Description
This 1kHz 94/114dB professional sound calibrator is for 0.5 in. or 1 in. microphones. Calibrates and verifies sound level meter operation. Level position switch to select 94dB or 114dB with power on LED indicator light. Durable die-cast aluminum housing generates a 1kHz sine wave at 94dB/114dB to an accuracy of 5% (frequency) and ±0.5dB (94dB)/±1.0dB (114dB). Meets IEC standard 60942 1997-11. Comes complete with two 9V batteries, carrying case and screwdriver.
- This 1kHz 94/114dB professional sound calibrator is for 0.5 in.
- or 1 in.
- microphones.
- Calibrates and verifies sound level meter operation.
- Level position switch to select 94dB or 114dB with power on LED indicator light.
- Durable die-cast aluminum housing generates a 1kHz sine wave at 94dB/114dB to an accuracy of 5% (frequency) and ±0.5dB (94dB)/±1.0dB (114dB).
- Meets IEC standard 60942 1997-11.
- Comes complete with two 9V batteries, carrying case and screwdriver.
| Model | Extech 407766 |
| Frequency | 1000Hz |
| Frequency Basic Accuracy | ±5% |
| Sound Range (dB) | 94dB/114dB |
| Sound Range (dB) Basic Accuracy | ±0.5dB (94dB); ±1dB (114dB) |
| Total Harmonic Distortion (THD) | <2% |
| Certifications | 407766-NIST_S: CE, NIST 407766_S: CE |
| Dimensions | 2.2" diameter × 5.6" long (50 × 127mm) |
| Power | 2 × 9V batteries |
| Warranty | 2 years |
| Weight | 0.75 lbs. (340g) |
Specifications are subject to manufacturer updates. Refer to current Extech product documentation for complete operating, safety and maintenance requirements.
Extech Limited Warranty
The Extech 407766 is covered by Extech's standard limited warranty for this product. Register your product with Extech promptly after purchase to activate full coverage.
Warranty term, eligibility, registration requirements, exclusions, and coverage are subject to Extech's complete warranty terms for this model.