Bruel & Kjaer 4227 for Rent, Mouth Simulator, Continuous SPL of 110dB (200Hz to 2kHz)
Order #4227-RENT2|Mfg #4227
For Rent
Request a Rental Quote
Have a Question? Speak to a Transcat Rental Expert: 800.264.4059
Have a Question?
Speak to a Transcat Rental Expert at 800.264.4059
Tariff fees or manufacture imposed surcharges may be applicable.
Overview
Bruel & Kjaer 4227 Highlights
The Bruel and Kjaer 4227 is an accurate reference sound source developed for near field testing of telephone transmitters and microphones. It provides a standardised and realistic simulation of the human voice field.
Conforms to IEEE-269, IEEE-661 and ITU-T P.51
Accurate level and frequency response calibration is easily done using a Bruel & Kjaer ½" microphone placed in the supplied calibration jig
Accurate simulation of human voice field
Quality control testing of frequency response and distortion of telephone transmitters and close-talking microphones
Continuous SPL of 100dB 25mm from lip ring
Low distortion
Built-in overload protection circuit
At 25mm from lip ring, 20mm diameter Mouth Opening, Low-distortion sound source used for testing acoustic transducers
