NTI ENVIROMUX-LIS Light Level Sensor

NTI Light Intensity Sensor ENVIROMUX-LIS – Your Intelligent Guardian for Optimal Lighting Conditions in Sensitive Environments

In modern IT and telecommunications infrastructures, dangers often lurk unseen – a light suddenly turning on in an unattended server room can indicate intrusion, sabotage, or technical malfunction.

The ENVIROMUX-LIS light intensity sensor from NTI turns invisibility into measurable data: it continuously monitors light intensity in the range of 0 to 100,000 lux and integrates seamlessly into your ENVIROMUX monitoring system. Whether in dark cabinets, remote data rooms, telecommunications centers, or rarely accessed technical rooms – this sensor immediately detects any change in brightness and triggers an alarm when predefined thresholds are exceeded.

Imagine this: in the middle of the night, the sensor registers a sudden flash of light in an isolated rack. Through the ENVIROMUX dashboard, you receive a push notification, and the security team is on-site before any intruder can cause damage.

This proactive monitoring not only protects against physical threats but also documents lighting conditions for compliance requirements, energy optimization, or preventing material degradation due to UV exposure – an invaluable asset for facility managers and IT administrators.

The technical sophistication of the ENVIROMUX-LIS lies in its biologically inspired precision: with a peak sensitivity at 540 nanometers, its response matches that of the human eye, while integrated IR and UV filters eliminate interference from artificial light sources or sunlight. The result is authentic, reliable measurement of visible light intensity – unaffected by infrared radiation from servers or UV components from fluorescent lamps.

Plug-and-play integration via RJ45 and CAT5/5e/6 cables up to 305 meters eliminates complex wiring; the sensor is powered directly by the ENVIROMUX base unit (2D, 5D, or 16D) – no separate power supply needed.

A practical example from a large data center in Düsseldorf: the sensor was installed in an enclosed cold aisle to record light sources during maintenance. When a technician accidentally activated the emergency lighting, the sensor triggered an alarm – the system logged the incident with timestamp and lux value, later serving as proof of access control during ISO 27001 certification. This combination of accuracy, range, and easy scalability makes the ENVIROMUX-LIS the ideal solution for distributed, hard-to-access locations.

Commissioning is simple yet highly professional: just plug the sensor into a free RJ45 port on your ENVIROMUX device, configure thresholds via the intuitive web interface – done. The operating temperature range from 0 to 70 °C allows use even in demanding environments such as hot server rooms or cool archives.

Thanks to CE and RoHS certification, it meets all European environmental and safety standards. For extremely long distances, the sensor can be extended up to 2 kilometers using the ENVIROMUX-FSC Fiber Converter – ideal for campus-wide monitoring. Another real-world example: in a Frankfurt telecom hub with multiple floors, sensors were installed in each distribution rack.

When a defective emergency light stayed on in an unused cabinet, the sensor detected the deviation from 0 lux (night) to 200 lux. The ENVIROMUX system sent an email to the energy manager, who remotely switched off the light – monthly electricity savings: 180 euros. Such automated optimizations show that the ENVIROMUX-LIS is not only a security tool but also an energy-saving and compliance partner in one.

• Key Features at a Glance: Precisely measures light intensity from 0 to 100,000 lux – covering everything from pitch-dark cabinets to brightly lit offices.
• Human eye sensitivity with 540 nm peak and IR/UV filtering – provides realistic readings unaffected by artificial light sources.
• RJ45 connection with CAT5/5e/6 support up to 305 m – flexible, cost-effective cabling using existing infrastructure.
• Powered directly via ENVIROMUX-2D/5D/16D – no additional power adapter or batteries, minimal installation effort.
• Expandable up to 2 km via ENVIROMUX-FSC Fiber Converter – perfect for large areas or fiber-based networks.
• Rugged operation from 0 to 70 °C – suitable for hot server rooms, cool storage, or outdoor areas with enclosure protection.
• CE and RoHS compliant – environmentally friendly, legally compliant, ready for international use.
• Scope of delivery: 1 × ENVIROMUX-LIS sensor – ready for immediate use, no additional components required.

Application Areas with Practical Examples

The ENVIROMUX-LIS light intensity sensor proves its value wherever light serves as an indicator for security, compliance, or efficiency. Here are some typical scenarios:

• Unattended server cabinets and racks: Detects unauthorized opening at night. Example: Munich financial services provider – sensors in locked 19" racks triggered an alarm when light entered through an opened door; burglary attempt documented, perpetrator identified.
• Telecommunication rooms and PoP sites: Monitors lighting during access. In a Cologne data center, the sensor automatically logged maintenance times – serving as proof for SLA reporting to clients.
• Remote data rooms and shelters: Early detection of lighting failures or intrusions. A mobile network operator in the Alps used it in isolated transmission stations – on power failure and activation of emergency lighting, an alarm SMS was sent to technicians.
• Archives and museum depots: Protects sensitive materials from light damage. Vienna art depot: a sensor in a dark storage area triggered an alarm when a door seal failed and light entered – UV-sensitive photographs were saved.
• Energy optimization in offices and data centers: Detects unnecessarily active lighting. Stuttgart company: sensors in technical rooms automatically switched lights off – reducing annual electricity consumption by 22%.
• Security monitoring in parking garages and warehouses: Combination with motion detectors. Berlin logistics center: light sensor plus ENVIROMUX triggered camera on unexpected illumination – theft prevented.

The ENVIROMUX-LIS is your digital light guardian – precise, maintenance-free, and scalable. It provides not just data, but actionable insights for security, energy, and compliance.

Compatibility and Summary:

• Detects and measures light intensity
  Ideal for monitoring unattended cabinets, telecommunication rooms, remote data rooms, or other low-traffic facilities and spaces
• No power supply required – powered by the ENVIROMUX base unit
• Compatible with ENVIROMUX−2D, ENVIROMUX−5D, and ENVIROMUX−16D