Advanced Light Transmitance Meter(ALTM) Features:

Advanced Design Systems is the manufacturer of the Advanced Light Transmittance Meter(ALTM), a precision optical instrument to measure window tint. For more than 30 years we have provided high quality engineering solutions to a wide range of industries.

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The Advanced Light Transmittance Meter is a precision optical instrument that is used to measure light transmittance through tinted automotive windows and for the enforcement of window tinting laws. It is very easy to operate and only takes 3 seconds to measure the light transmittance through a window. Thousands in use by Safety Inspection Stations and Law Enforcement Agencies in the U.S. and several other countries.

*Warranty - Only meter with 5 year Warranty.


*Ease of Use - Simple and Fast. Only 3 seconds to measure a window.


*Accuracy - Only Meter Tested and Proven Accurate and Repeatable by an Independent Testing Lab in New York.


*Reliability - This meter is used in all 50 states and several countries.


*Customer Service - We value your business.
The meter is used in all 50 states and several countries.


*Dual Detector System - provides increased accuracy


*Automatic Calibration - avoids need to return to factory for calibration


*Ambient Cancellation - allows consistent operation in any lighting conditions


*Microprocessor Based Accuracy - improves accuracy and repeatability


*Sturdy carrying case included - protects your investment


*Suction cup bracket for back windows - avoids need to use suction cups for every window


‚Äč*Uses only one 9V easily accessed battery - no coin cells