China Wholesale Human Reaction Time Factories – LMEC-28 Apparatus of Measuring Hearing and Hearing Threshold – Labor
China Wholesale Human Reaction Time Factories – LMEC-28 Apparatus of Measuring Hearing and Hearing Threshold – Labor Detail:
Functions
1. Master the measurement method of hearing and hearing threshold;
2. Determine the hearing threshold curve of the human ear.
Parts and Specifications
|
Description |
Specifications |
| Signal source | Frequency range: 20 ~ 20 khz. standard sine wave
(smart key controlled) |
| Digital frequency meter | 20 ~ 20 khz, resolution 1 hz |
| Digital sound strength meter (db meter) | Relative -35 db to 30 db |
| Headset | Monitoring grade |
| Power consumption | < 50 w |
| Instruction manual | Electronic version |
Product detail pictures:
Related Product Guide:
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