Extech 407766 professional sound calibrator, 94/114 dB
Extech 407766 professional sound calibrator. 1 kHz output at selectable 94 dB or 114 dB.
$519.00 USD
Prices in USD, shipping not included.
Shipping cost, lead time and availability are confirmed in your quotation.
Specifications
- Professional 1 kHz sound calibrator for sound level meters with 0.5" or 1.0" microphones
- Used to calibrate and verify sound level meter operation
- Meets IEC 60942 1997-11
- LED power indicator; level switch selects 94 dB or 114 dB
- Durable die-cast aluminum housing
- Output: 1 kHz sine wave at 94 dB or 114 dB
- Frequency accuracy: ±5%
- Sound pressure level accuracy: ±0.5 dB (94 dB), ±1.0 dB (114 dB)
- Distortion: < 2% total harmonic distortion (THD) at 94 dB
- Operating temperature: 32 to 122°F (0 to 50°C)
- Power: two 9V alkaline batteries, approx. 10 mA DC
- Dimensions: 2.2" diameter x 5.6" long (50 x 127 mm)
- Weight: 0.75 lbs (340 g)
- In the box: sound calibrator, two 9V batteries, screwdriver, manual, carrying case
Specifications are provided by the manufacturer and may change. Please confirm the exact model in your quote request.
