Extech EA33 EasyView Light Meter

Amazon

Highest intensity light measurements up to 99,990Fc/999,900Lux Large LCD display with advanced illuminance functions and features Wide measurement range to 99,990Fc (999,900 Lux) with resolution of 0.001Fc and 0.01Lux Luminous intensity (candela) calculations Store and recall up to 50 measurements, includes relative or real time clock stamp, Weight: 0.7275254646 pounds, Manufacturer: Extech

Test-meter.co.uk

Professional light metre measuring 0-999,900 Lux with ±3% accuracy. Detachable sensor, 50-reading memory, cosine/colour correction. Ideal for precise light intensity measurement across multiple ranges.

Radwell UK

LIGHT METER, WITH MEMORY, 999900LX MEASUREMENT MAX, 3% ACCURACY, 150 MM EXTERNAL HEIGHT, 72MM EXTERNAL WIDTH, 33 MM EXTERNAL DEPTH, ROHS COMPLIANT