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Infinite L-com SRAQ-D661 User Manual

Infrared dust sensor module

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INFRARED DUST SENSOR MODULE
User Guide for SRAQ-D661
Product Description
The SRAQ-D661 dust and particulate sensor was specifically developed for the HVAC industry. Using infrared technology, it can detect particles as
small as 0.03μm, such as cigarette smoke, dust, pollen and mold, spores. The digital display shows the particle concentration in real-time. When the
concentration exceeds the adjustable threshold level the relay is activated, powering exhaust equipment until concentrations levels are reduced back
down to acceptable levels.
Features
Infrared sensor technology
Detects particles as small as 0.03μm
Digital display shows particle concentration
Adjustable threshold level
DIN rail mount
Applications
Building and facilities management
HVAC systems
Manufacturing environments
General monitoring of indoor / outdoor air quality
Thank you for choosing L-com product. To ensure safe, accurate performance and product longevity, please take a moment to familiarize yourself
with this manual before powering the device. Please keep it handy for future reference. In case of any questions regarding the installation or use of
product, please call us at 800.341.5266.
Reach out to us at customerservice@l-com.com and visit our website at www.l-com.com
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Summary of Contents for Infinite L-com SRAQ-D661

  • Page 1 INFRARED DUST SENSOR MODULE User Guide for SRAQ-D661 Product Description The SRAQ-D661 dust and particulate sensor was specifically developed for the HVAC industry. Using infrared technology, it can detect particles as small as 0.03μm, such as cigarette smoke, dust, pollen and mold, spores. The digital display shows the particle concentration in real-time. When the concentration exceeds the adjustable threshold level the relay is activated, powering exhaust equipment until concentrations levels are reduced back down to acceptable levels.
  • Page 2 Technical Parameters Working voltage 24 VDC Working current < 50mA Output mode Relay output Relay output (Single channel) Display mode Digital tube Shows the value for the current concentration Status indication LED judgment Normal state, red light on, exceed preset value, green light on -10 ...
  • Page 3 Mounting Diagram 35mm DIN rail mounting: Mount the sensor module onto the DIN rail (dark black) as shown in the figure. Notes It is forbidden to use this product in a system involving life safety. Do not install the equipment in high humidity and strong light environment, vibrating surfaces, near noise sources. It will directly affect the output. Try to avoid cleaning the product, as cleaning the product will change the optical characteristics and will affect the output.