Extech 407766-NIST Professional Sound Calibrator, 94/114dB, includes ISO Certificate

Downloads: datasheet manual

1kHz Professional Calibrator for 0.5" or 1.0" Microphones. This product includes an ISO Certificate with full Data and Uncertainties.

This product includes an ISO Certificate with full Data and Uncertainties.

Features

Total Harmonic Distortion (THD) <2% at 94dB
Meets IEC standard 60942 1997-11
Calibrates and verifies Sound Level Meter operation
LED indicator lights up when power is on
Level position to select 94dB or 114dB
For use on Sound Level Meters with 0.5" or 1.0" microphones
Durable die-cast, aluminum housing
1kHz sine wave at 94dB/114dB is generated to an accuracy of 5% (frequency) and ±0.5dB (94dB)/±1.0dB (114dB)

Frequency	1000 Hz
Frequency Accuracy	±5%
Sound Pressure Level	94dB/114dB
Sound Accuracy	±0.5dB (94dB), ±1dB (114dB)
Distortion	<2% Total Harmonic Distortion (THD)
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)

datasheet for the Extech 407766-NIST Professional Sound Calibrator, 94/114dB, manual for the Extech 407766-NIST Professional Sound Calibrator, 94/114dB,

This product includes an ISO Certificate with full Data and Uncertainties.

Features

Total Harmonic Distortion (THD) <2% at 94dB
Meets IEC standard 60942 1997-11
Calibrates and verifies Sound Level Meter operation
LED indicator lights up when power is on
Level position to select 94dB or 114dB
For use on Sound Level Meters with 0.5" or 1.0" microphones
Durable die-cast, aluminum housing
1kHz sine wave at 94dB/114dB is generated to an accuracy of 5% (frequency) and ±0.5dB (94dB)/±1.0dB (114dB)

Frequency	1000 Hz
Frequency Accuracy	±5%
Sound Pressure Level	94dB/114dB
Sound Accuracy	±0.5dB (94dB), ±1dB (114dB)
Distortion	<2% Total Harmonic Distortion (THD)
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)