Venturi air duct module for
IQ8Quad OTblue-LKM

Cod. 781463
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Venturi air duct module for
IQ8Quad OTblue-LKM

Air duct module for usage of the OTblue-LKM multisensor detector IQ8Quad Part No. 802379/800379 or OTblue-LKM multisensor detector ES Detect Part No. 800379 in combination with Venturi tubes Part No. 781466, 781467 or 781468. The kit is mounted outside of the air duct system.
The Venturi tube dips into the airflow of the system and conducts the air into the detection chamber and back and into the air duct system.
During operation, the detector and the alarm LED is visible so that a remote indicator is not required. The housing doesn’t need to be opened for maintenance purposes. This can be easily done by using the separate opening in the front of the housing.


• Single-tube air analysis system UG-7 based on the Venturi principle
• Optimum utilization of air flow velocity through new Venturi tube design
• Integrated maintenance opening in the front cover so that air duct smoke detector can be tested
• Suitable for air duct widths from 0.1 to 2.8 m
• Integrated air flow display
• Mounting on round and insulated air duct with mounting kit Part No. 781469

Common technical data

Ambient temperature
0 °C ... 38 °C
Storage temperature
-30 °C ... 75 °C
Type of protection
IP 54
ABS plastic
approx. 650 g (without base, detector, venturi tube)
EN 54-27
W: 165 mm H: 279 mm D: 83 mm
Please note that the detector must be mounted horizontally! Suitable for monitoring of air duct systems with a minimum diameter of 100 mm.Successor of 781443. According to the product certification, a filter (see our Part No. 781464) is required for the use of the device. This must be ordered separately and is only available as packaging unit.
2 x cable glands M20 with nut, 1 x tube end cap, mounting screws included. Without OTblue-LKM detector, detector base, Venturi tube and filter cartridge.

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