China Wholesale gravitational acceleration Factories – LMEC-28 Apparatus of Measuring Hearing and Hearing Threshold – Labor

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We have the most advanced production equipment, experienced and qualified engineers and workers, recognized quality control systems and a friendly professional sales team pre/after-sales support for Polarized Light, Abbe Refractometer, Hearing Threshold, Our goal is to create Win-win situation with our customers. We believe we will be your best choice. "Reputation First, Customers Foremost. "Waiting for your inquiry.

China Wholesale gravitational acceleration 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

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We believe that long term partnership is a result of high quality, value added service, rich experience and personal contact for China Wholesale gravitational acceleration Factories – LMEC-28 Apparatus of Measuring Hearing and Hearing Threshold – Labor , The product will supply to all over the world, such as: Algeria, Indonesia, Danish, The best and original quality for spare parts is a most important factor for transportation. We may stick on supplying original and good quality parts even a little profit earned. God will bless us to do kindness business forever.

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