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True Occupancy Detection

Lighting that senses life, not just movement


Forget interruptions and complaints: the light stays on as long as someone’s there — even if they’re perfectly still.


Why motion sensors just aren't enough?

In offices, bathrooms, stockrooms or hospitals, motion sensors often fall short:

  • Lights turning off while people are still inside
  • Interruptions during presentations or focused work
  • Frustrated users waving their arms to bring the lights back on

Scene 1 – Office Lights Dimmed
"Focus Interrupted"

Lights drop to their lowest brightness. Only the screen illuminates the programmer’s face. Colleagues wave from afar to trigger the sensor.

Scene 2 – Conference Room Disruption
"Presentation Interrupted"

Lights suddenly switch off mid-presentation. The speaker pauses awkwardly as attendees look around. Someone waves at the sensor just to bring the lights back.

Scene 3 – Restroom Lights Off
 "Unexpected Darkness"

 Lights turn off while the user stands/sits still, only the phone’s glow illuminates their startled face.


When presence detection fails, the whole project suffers

The problem with conventional sensors isn’t just that they switch off too soon.

It’s that the so-called “fixes” in the market don’t solve it — they make it worse:

  • No affordable solution — you pay more but still don’t get real presence detection.
  • Longer hold times — lights stay on in empty rooms, wasting energy and money.
  • Hard calibrations — installers spending hours tweaking settings to make it “just acceptable”.
  • Promises on paper, frustration on site — datasheets say “presence detection”, reality says “wave your arms”.
  • More complaints, more tickets — every blackout becomes a call from a frustrated client.
  • Damaged reputation — a premium luminaire judged by its weakest link: the sensor.

Hytronik True Occupancy: real presence, zero interruptions


Beyond motion detection: Detects subtle human cues — from gentle breathing to tiny chest movements — even when you’re completely still.

Uninterrupted comfort: Lights stay on during meetings, hospital stays, or focused work, eliminating frustrating interruptions.

Optimized energy savings: Lights turn off only when rooms are truly empty, balancing comfort with efficiency.

Human-centric lighting: Understands people, not just motions, delivering a seamless and reliable lighting experience.


Let’s see exactly what makes this technology so effective — and how it solves real-world lighting problems.




Key Features 


🫁 Breathing-Based Detection: Captures subtle chest motions and breathing patterns to detect static occupants. Perfect for offices, meeting rooms, and quiet spaces. 


🔇 False Trigger Filtering: Advanced algorithms filter out interference caused by pets, air pipes, curtains, or environmental movements, reducing false activations. 


📶 Robust Interference Immunity: Designed to resist wireless disturbances from 5G, GSM, RF signals, ensuring stable, reliable sensor performance even in complex environments. 


Compliance with RED Standards: Meets the latest Radio Equipment Directive standards for safety and regulation compliance.


🛠️ Solving Your Lighting Challenges 


- Eliminates premature light shutoff by detecting stationary occupants, preventing discomfort and workflow interruption
- Reduces false triggers from pets, environmental noise, and interference for reliable and stable lighting control. 
- Ensures compliance with strict wireless regulations, offering peace of mind in complex installation environments. 
- Improves energy efficiency by accurately matching lighting to real occupancy, not just motion.



Where It Makes a Difference

Our True Presence technology delivers dependable, user-friendly lighting control in spaces where stillness is common:

🏢 Office Spaces 
 Keeps lights on during quiet work or long discussions.


🏫 Meeting & Conference Rooms 
Prevents mid-presentation blackouts.


📚 Libraries & Study Areas 
Ensures uninterrupted illumination for reading and study.


🏥 Healthcare Facilities 
Supports patient comfort where movement may be minimal. 

From business to wellness, Hytronik ensures lighting that understands real human presence — not just motion.



Proven Performance, Trusted Compliance

Hytronik True Occupancy has been extensively tested in real projects to ensure consistent and reliable behavior — no surprises, just performance you can trust.

  • Effortless calibration: Optimized for real environments, no complicated movement tests needed — simply set up and go (datasheet available for details).
  • Proven in the field: Validated over many days and projects to guarantee stable, predictable results.
  • Superior accuracy: Outperforms conventional presence sensors such as ultrasound or standard “true presence” solutions on the market.
  • Compliance you can rely on: Fully certified under EU regulations, including CE, RED, and GDPR alignment.
  • Future-ready: Designed with upcoming standards like the EU Cyber Resilience Act (CRA) in mind.

Coming soon: customer testimonials and project case studies to showcase real-world success.

Explore our full range of sensors with True Occupancy

Here are just a few examples of products equipped with True Occupancy capabilities. To explore more products with this feature, please click here .