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https://automation.honeywell.com/kr/ko/products-backup/sensing-solutions/gas-and-flame-detection/fixed-gas-and-flame-detection/fixed-gas-detectors/oeld-optima-excel-local-display
OELD (Optima Excel Local Display) | Honeywell
Honeywell OELD (Optima Excel Local Display) is a smart junction box for the Searchpoint Optima Plus and Searchline Excel infrared detectors. See more.
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