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Edwards Signaling SD-T18 SD Series SuperDuct 18" Air Sample Tube for Duct Smoke Detectors
SD-T18|ED-SDT18
Edwards Signaling SD-T18 SD Series SuperDuct 18" Air Sample Tube for Duct Smoke Detectors
SD-T18|ED-SDT18
Key Features
- Less than 2" deep for easy installation and applicationsWhere space is tight
- PCB mounted photoelectric sensor with on-board inteliigence
- Environmental compensation with patented differential sensing
Key Features
- Less than 2" deep for easy installation and applicationsWhere space is tight
- PCB mounted photoelectric sensor with on-board inteliigence
- Environmental compensation with patented differential sensing
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Become an ADI CustomerKey Features
- Less than 2" deep for easy installation and applicationsWhere space is tight
- PCB mounted photoelectric sensor with on-board inteliigence
- Environmental compensation with patented differential sensing

Edwards Signaling
Edwards Signaling SD-T18 SD Series SuperDuct 18" Air Sample Tube for Duct Smoke Detectors
SD-T18 | ED-SDT18
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Overview
Specifications
Documents
Product Overview
The Edwards Signaling SD-T18 SuperDuct 18" Air Sample Tube is designed for convenient installation in tight spaces with a depth of less than 2". It features a PCB-mounted photoelectric sensor equipped with intelligent technology and patented differential sensing for stable and reliable environmental compensation. This tube supports high air velocity duct applications up to 4000 ft/min (20.3 m/sec) with a wide smoke sensitivity range from 0.79% to 2.46% per foot obscuration. Compatible with standard Kidde Intelligent detectors and the four-wire duct smoke detector SD-4WJ, it includes a prewired standard or relay detector base for easy installation. Upgrade your fire detection system with this efficient, reliable component today!
Main Features
- Less than 2" deep for easy installation and applicationsWhere space is tight
- PCB mounted photoelectric sensor with on-board inteliigence
- Environmental compensation with patented differential sensing
- Suitable for high air velocity duct applications Up to 4000 ft/min. (20.3 m/sec.) with Photoelectric Detector
- Standard Kidde Intelligent detectors designed for use with standard photoelectric and photoelectric/heat Kidde Intelligent smoke detectors
- Standard or relay detector base installed and prewired Detector plugs-in to base then easily installs into housing
- PCB mounted photoelectric detector with onboard intelligence
- Environmental compensation with differential sensing for reliable, stable, and drift-free sensitivity
- Wide 0.79% to 2.46% per foot obscuration smoke sensitivity
- Compatible with: Four-wire Duct Smoke Detector SD-4WJ
General Information
Name: Edwards Signaling SD-T18 SD Series SuperDuct 18" Air Sample Tube for Duct Smoke Detectors
Category: Edwards Signaling, Fire, Fire Detection Devices, Detector Parts & Accessories
UPC Code: 793016035592
Country of Origin: United States. Country of origin is subject to change.
Specifications
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ADI Part Number ED-SDT18 Brand Name Edwards Signaling Manufacturer Carrier Manufacturer Part Number SDT18 Product Model SD-T18 Product Name Sampling Tube Product Series SuperDuct Product Type Sampling Tube
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Device Supported Smoke Detector
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Maximum Operating Temperature 158°F (70°C) Minimum Operating Temperature -4°F (-20°C)
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Color Silver Height 18"
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Compatibility Edwards SuperDuct Conventional Fire Alarm Station Smoke Detector Country of Origin US