This document is AMC493B Artificial Mastoid Technical Reference Manual
This manual provides detailed instructions for using the Larson Davis AMC493B artificial mastoid in audiometric testing. It covers setup with compatible equipment like AEC100 or AEC201, calibration procedures, and maintenance guidelines. The device meets ANSI S3.26 and IEC 60318-6 impedance standards and stabilizes thermally within one hour.
Technical specifications include dimensions, weight, temperature/humidity response, and calibration data. The manual also includes sample calibration reports and compatibility notes for software and accessories. This manual is written in Chinese.
| Height | 10.16 mm (0.40 in.) |
|---|---|
| Diameter | 30 mm (1.2 in.) |
| Weight | 11.8 g (0.026 lbs) |
| Reference Temperature | 23 °C |
| Reference Humidity | 50% |
| Thermal Stabilization Time | 1 hour |
| Humidity Stabilization Time | 4 days |
It completes thermal transition in less than one hour.
It weighs 11.8 g (0.026 lbs).