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:
The key to our success is "Good Product Excellent, Reasonable Rate and Efficient Service" for China Wholesale Human Reaction Time Factories – LMEC-28 Apparatus of Measuring Hearing and Hearing Threshold – Labor , The product will supply to all over the world, such as: Latvia, Paraguay, UK, Now, with the development of internet, and the trend of internationalization, we have decided to extend business to overseas market. With the propose of bringing more profits to oversea customers by providing directly abroad. So we have changed our mind, from home to abroad, hope to give our customers more profit, and looking forward to more chance to make business.
By Bess from luzern - 2017.04.08 14:55
Company director has very rich management experience and strict attitude, sales staff are warm and cheerful, technical staff are professional and responsible,so we have no worry about product,a nice manufacturer.
By Julie from Turin - 2017.02.28 14:19
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