System Sensor DST10 InnovairFlex Sampling Tube

Overview

The System Sensor DST10 is a rectangular sampling tube designed for aspirating smoke detection systems in ductwork environments. Rated for 8 to 12-foot duct installations, this component integrates with InnovairFlex detection networks via TCP/IP communication protocol and operates on 29VDC power. The tube dimensions and compact form factor enable straightforward integration into existing HVAC and ductwork infrastructure.

Compatibility

This sampling tube is compatible with System Sensor aspirating smoke detection systems utilizing TCP/IP network architecture and 29VDC power supplies. Installation is suitable for medium-run ductwork applications where centralized smoke sampling and early warning detection are required across distributed air handling zones.

Specifications

Length: 14.38 inches (37 cm)

Width: 5 inches (12.74 cm)

Depth: 2.5 inches (6.36 cm)

Weight: 2.5 lbs (1.14 kg)

Communication: TCP/IP

Operating Voltage: 29VDC

System Sensor DST5 InnovairFlex Sampling Tube - 4 to 8 Foot Duct

4-to-8-foot duct sampling tube for networked HVAC fire detection

Adjusts from 4 to 8 feet to cover variable duct widths without replacing hardware.
Tool-free snap-in mount to D4120 housing cuts installation time in tight duct access.
Supports air velocities from 100–4,000 FPM across –4°F to 158°F operating range.

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System Sensor

SKU: DST3

System Sensor DST3 InnovairFlex Sampling Tube - 2 to 4 Foot Duct

Duct sampling tube for 2–4 ft runs, TCP/IP integrated, 29VDC

Covers 2–4 ft duct runs at 29VDC, eliminating extra detector heads per zone.
Supports air velocities 100–4,000 ft/min, matching standard commercial HVAC ranges.
Tool-free front or back install via ¾-in conduit knockout cuts deployment time.

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System Sensor

SKU: DST1

System Sensor DST1 InnovairFlex Sampling Tube - Up to 1 Foot Duct

Duct sampling tube for InnovairFlex fire detection up to 1 foot

Samples duct airflow from 100–4,000 FPM, covering low-velocity returns to high-velocity supply runs.
Tool-free front or rear installation via patented quick-connect; no threaded fittings required.
Operates at 29VDC and integrates directly into 4-wire photoelectric fire alarm circuits.

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System Sensor

SKU: ETX

System Sensor ETX InnovairFlex Exhaust Tube 12-Inch

12-inch flexible exhaust tube for System Sensor ETX air sampling

Flexible 12-inch tube routes exhaust air where rigid piping is impractical.
Rated for –4°F to 158°F and 0–95% RH, supporting harsh HVAC environments.
Mounts to ¾-inch conduit knockout on InnovairFlex D4120 housings, no tools needed.

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System Sensor

SKU: 2D51

System Sensor 2D51 InnovairFlex Intelligent Plug-In Duct Detector

Addressable duct smoke detector for HVAC air handling systems

Addressable communication enables precise device identification on intelligent fire alarm networks.
Operates at 29VDC across a wide -4°F to 158°F range, supporting demanding HVAC environments.
Compact 14.38×5×2.5 in plug-in form factor mounts to a standard 4-inch square box, 1.5 in min depth.

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