The DALI Experts. Since 1997.
Certified DALI-2 tools and expertisePerformance and reliability for connected lighting. We design, build and ship the test, commissioning and diagnostic tools the DALI industry depends on.
Our Purpose
Performance and reliability for connected lighting.
Our Mission
We provide orientation for the lighting industry.
Our Vision
Lighting networks designed, commissioned and operated easily and hassle-free.
Two Worlds, One Ecosystem
Tools Built for Your Reality
Whether you work in a controlled lab or a dynamic construction site, Lichtvision has the precision tools you need.
For Manufacturers & Developers
Achieve DALI-2 and D4i certification with the only approved approbation tools. From laboratory testing with ProbitLab2 to virtual development environments with ProbitGears.
- IEC 62386 compliance testing
- ProbitBench sniffer & BitScope
- Simulate 65 DALI gears in real-time
- Accelerated emergency lighting tests
For Installers & Commissioning Engineers
Diagnose DALI bus issues on-site in seconds. The ProbitSite handheld makes the invisible visible, identifying faults, non-compliant devices, and signal quality at a glance.
- 3.5" high-luminance field display
- Smart Scan without config changes
- Expert Mode for address configuration
- Objective signal quality rating
The Probit Ecosystem
DALI tools we build
From lab certification to field commissioning, an interconnected suite built on over 28 years of standardization expertise.
ProbitLab2
The Gold Standard for DALI Certification
The only approved DALI approbation and certification tool. 19-inch rack-mount design with signal generator, adjustable voltages, and full IEC 62386 Edition 1 & 2 support.
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ProbitGears
DALI Development Environment
Simulate up to 65 DALI control gears in real-time. Accelerate emergency lighting battery tests from days to minutes. A digital twin for your lighting network.
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ProbitSite
The DALI Multimeter
Handheld diagnostics with a 3.5" high-luminance display. Smart Scan detects devices without changing configuration. Expert Mode for address management.
Learn MoreTrusted by Industry Leaders
Why teams choose our DALI tools
“Lichtvision helped us to make a crucial step into the IoT World.”
“Thanks to their outstanding expertise, Lichtvision is able to solve even the most complex problems in no time.”
“Lichtvision continues to be a crucial partner of the DALI Alliance in the ongoing development of the DALI-2 and D4i certification programmes.”
Beyond Tools
Engineering Services & Partnerships
Over 28 years of industry experience, available as a strategic partnership that extends beyond hardware.
Strategic Consulting
Market analysis, technology trend assessment, and product strategy for DALI, Bluetooth Mesh, WiFi/Cloud, and IoT integration. We support new product launches with training and educational materials.
Learn MoreProduct Development
End-to-end engineering from Product Book and Functional Specification to hardware/software design, prototyping, and final qualification. Methodical German precision for your lighting controls.
Learn MoreDALI Certification
As an accredited DALI test house, we guide you through scope definition, thorough testing, troubleshooting, and delivery of a comprehensive test protocol, your path to the DALI Alliance logo.
Learn MoreSupport & Downloads
Your Single Source of Truth
Firmware, software, manuals, and troubleshooting, everything you need to keep your Probit ecosystem running.
Firmware Updates
ProbitSite V1.5 · ProbitLab2 V4.14 · ProbitGears V4.6
Software Downloads
ProbitBench · ProbitSite App · Driver Package 2.12.36.4 WHQL
Manuals & Documentation
English & German manuals for all Probit products
Knowledge Base & FAQ
Troubleshooting guides, installation tips, and best practices
News
Latest from Lichtvision
Jul 18, 2025
eFIXX: DALI fittings not responding? Addressing problem
eFIXX shows how to use ProbitSite to diagnose unresponsive DALI fittings caused by addressing conflicts on the bus.
Read more
Mar 04, 2026
eFIXX explains ProbitSite's expert mode
In response to frequent customer requests, we are introducing Expert Mode, which allows users to change DALI short addresses.
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Feb 10, 2026
Release ProbitSite firmware 1.5
We are introducing the new ProbitSite firmware 1.5 with the new expert mode, enabling users to configure DALI short addresses.
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Dec 15, 2025
Nortronic, Elektrokovina & ZETAQLAB are new distributors
We are now represented by Nortronic in Norway, Elektrokovina in Croatia, Nylund in Finland, Halored in Estonia and ZETAQLAB in Italy.
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Oct 30, 2025
ProbitSite goes Japan, Singapore, Australia and New Zealand
We are happy to have onboarded our distributors in Japan (Smartlight), Singapore (CTA) and Australia & New Zealand (Lightmoves).
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June 15, 2025
IEC 1906 Award for our CEO Karsten Heinrich
Karsten was awarded the IEC 1906 award for his contribution to the DALI standard within the IEC Technical Committee 34 (Lighting).
Read moreAs seen on
Industry magazines and content creators trust ProbitSite
- eFIXXDALI Lighting Fault Finding, Made Easy
- eFIXXDALI fittings not responding? Addressing problem
- Essential InstallPortable DALI Testing Tool For Fast On-Site Diagnostics
- HighlightUmfassende Diagnose von DALI-Systemen
- Der InstallateurDem Fehlerteufel auf der Spur
- i-MagazinDas kompakte Analysetool ProbitSite
- LichtnetAuf Fehlerteufels Spur
Ready to Engineer the Future of Light?
Whether you need DALI certification support, field diagnostics, or a strategic development partner, our engineers are ready to help.