STI Measurements
The Gras-44AA is a sound source which simulates the sound field around the human mouth at close quarters and complies with the IEEE 269,667 and ITU-T Rec P51 standards. If you are not sure which configuration is suitable for your application please contact our sales office for advice.
Gras-44AA Artifical Mouth Kit
Standard Kit
STI Measurement Kit contain:-
- Gras-44AA - Mouth simulator
- Gras-RA0104 - Jig for CCITT P51 Calibration
- Gras-RA0105 - Jig for IEEE 269 Calibration
- Gras-RA0106 - Lip Ring frame
- Gras-AB0012 - Mains adapter and lead
- Gras-44CA - Carry case & User Manual
The following items are also available to enhance the measurement process, if required, these items must be specified separately when placing your order.
- CA-4002 - Microphone stand
Small Print
Click on the following links to access PDF copies of our small print.
User Guides
Click on the following links to access PDF copies of the user guides for these products.
Data Sheets
Click on the following links to access PDF copies of the product brochures.
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