Dynamic Microphone Device UMD-2 for Oxygen Masks

Brand: UMD-2

$9 - $36 USD

MOQ: 200 pieces

Key Features

Operating temperature range: -60 to +60 million m³

Overall dimensions: Ø27,2×28,1 mm

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

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

Supplier Information

PJSC Oktava

🇷🇺 📦 🏭 🛡️

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Description

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..

Specifications

Operating temperature range

-60 to +60 million m³

Overall dimensions

Ø27,2×28,1 mm

Relative air humidity at temperature +40 °?

98 set

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

20

Effective output voltage of the device

0,21±0,06 thousand m³

Power supply voltage

3-7 thousand m³

Weight of the device, not more

29 million m² total area

Average time to failure, not less

8000 kcal/h

Warranty period of operation

6 kVAr

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