The LT40 is a professional LED light meter designed for UK electricians, lighting technicians and HVAC engineers who need quick, accurate light measurements in workplaces, offices and industrial environments. It measures both LED and standard light sources, helping professionals verify compliance with lighting standards, optimise energy efficiency and maintain safe illumination levels.
Why Lighting Technicians Trust the LT40
Built for precision and simplicity, the LT40 measures light levels in lux or foot-candles at the press of a button. Whether you’re checking emergency lighting, verifying warehouse illumination or assessing LED installations, this compact meter delivers instant, dependable readings for everyday site work.
Order today to enjoy free delivery, expert support and our 90-day satisfaction guarantee. Need advice? Our team is here to assist you.
Why choose Instrotech for your electrical test equipment?
With over 40 years’ experience supporting UK electricians, technicians and engineers, Instrotech is your trusted partner for quality tools and expert service. When you purchase from us, you benefit from:
Free UK shipping on all orders
Access to our knowledgeable technical support team
Available calibration services to maintain safety compliance
A 90-day money-back guarantee for complete peace of mind
We’re committed to helping you work safely and efficiently with industry-leading products and ongoing support.
