Microphones
Environmental Relief Microphone
Environmental microphone for self-regulation of the signal level. Suitable for wall or ceiling installation. Connection through the supplied ceramic clamp.
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Overview
Environmental relief microphone for self-regulation of the signal level. Prepared for wall or ceiling installation. Connection through the supplied ceramic clamp.
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ABT-NSM (A)
Environmental Relief Microphone, 57 to 115 dB(A) SPL, 150 to 20,000Hz, 143x110mm, White, Ceiling
https://honeywell.scene7.com/is/image/Honeywell65/hbt-fire-abt-nsm-a-environmental-relief-microphone-57-to-115-db-a-spl-primaryimage
ABT-NSM (A)
Environmental Relief Microphone, 57 to 115 dB(A) SPL, 150 to 20,000Hz, 143x110mm, White, Ceiling
https://honeywell.scene7.com/is/image/Honeywell65/hbt-fire-abt-nsm-a-environmental-relief-microphone-57-to-115-db-a-spl-primaryimage
ABT-NSM (B)
Environmental Relief Microphone, 57 to 115 dB(A) SPL, 150 to 20,000Hz, 146x200mm, Gray, WallCeiling
https://honeywell.scene7.com/is/image/Honeywell65/hbt-fire-abt-nsm-b-environmental-relief-microphone-57-to-115-db-a-spl-primaryimage
ABT-NSM (B)
Environmental Relief Microphone, 57 to 115 dB(A) SPL, 150 to 20,000Hz, 146x200mm, Gray, WallCeiling
https://honeywell.scene7.com/is/image/Honeywell65/hbt-fire-abt-nsm-b-environmental-relief-microphone-57-to-115-db-a-spl-primaryimage
