Name: Dynamic Microphone Device UMD-2 for Oxygen Masks
Brand: UMD-2
SKU: 347187
Availability: InStock

Dynamic Microphone Device UMD-2 for Oxygen Masks — PJSC Oktava

品牌: UMD-2

¥64.80 - ¥259.20 CNY

MOQ: 200 pieces

主要特点

Operating temperature range: 从 -60 到 +60 °C

Overall dimensions: Ø27,2×28,1 mm

Relative air humidity at temperature +40 °?: 98 %

Unevenness of frequency response of paraphonic sensitivity on 300 Ohm load in the frequency range 300-4000 Hz, not b: 20

产品描述

Dynamic microphone device UMD-2 is designed for

operation in oxygen masks of KM-114, DKM-1 type. Design features: the device provides intelligibility of words not worse than II class according to GOST 16600-72 when transmitting in conditions of acoustic noise with a total level of up to 105 dB; the device uses an electrodynamic capsule, resistant to temperature and humidity; special protective membrane prevents penetration of dust and saliva splashes inside the product; the device is equipped with knife contacts, which ensures its easy replacement; metal case UMD-2 is not subject to corrosion.

Field of application: in communication equipment on aviation, railway and road transport, in intercoms operated in unheated rooms or rooms with high temperature, for embedding in wearable radios and intercoms..

规格参数

Operating temperature range

从 -60 到 +60 °C

Overall dimensions

Ø27,2×28,1 mm

Relative air humidity at temperature +40 °?

98 %

Unevenness of frequency response of paraphonic sensitivity on 300 Ohm load in the frequency range 300-4000 Hz, not b

Effective output voltage of the device

0,21±0,06 V

Power supply voltage

3-7 V