China Wholesale Human Reaction Time Factories – LMEC-28 Apparatus of Measuring Hearing and Hearing Threshold – Labor

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We are convinced that with joint efforts, the business between us will bring us mutual benefits. We can assure you product quality and competitive price for Abbe Imaging, Thermal Conductivity, Forced Vibration Resonance, Adhering to the business philosophy of 'customer first, forge ahead', we sincerely welcome clients from at home and abroad to cooperate with us.

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

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