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RS PRO Light Meter, 9.999 fL, 9.999 cd/m² to 580 kfL, 1999 kcd/m², ±3 (Calibrated to Standard Incandescent Lamp (2856 K

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RS PRO Light Meter

From the trusted RS PRO brand, this digital light meter is a high-quality solution for light measuring applications in all manner of environments. The excellent quality light sensor attaches to the digital reader by a long wire allowing you to be fleixble in where you take your readings from. The digital reader a has a variety of useful functions, and features a 4 digit LCD display screen meaning that measurements can be taken quickly and easily.

Lightweight and reliable, this handheld light meter is ideal for light measuring applications in almost any environment. It is also supplied in hardcase to keep the equipment safe and secure during storage or transport.

Features and Benefits

• Dual Display, 4-digit LCD reading.
• Spectral Sensitivity close to CIE photopic Curve.
• Measuring Levels Ranging 0.001 to 1999k cd/m², 0.001 to 580.0k fL, Autoranging7 step.
• Accurate and Instant response.
• Luminance ratio A/B, deviation %A,different B-A and peak luminance measurements.
• User calibration factor and colour-correction functions.
• Accumulation luminance measurement.
• Max/Min/AVG function.
• Backlit function.
• Comparator function.
• Data Hold function.
• Data memory and read function.
• Data logger function.
• USB Interface.


Light meters measure light levels or light pollution within the environment. It’s a key piece of equipment to ensure that there is the right amount of ambient light within the workplace, at school or even at home, and are often used by photographers in studios and natural environments to calibrate film camera equipment. They most often measure light sources like white LED light, fluorescent lighting, metal halide, high-pressure sodium and incandescent lighting. The most common types of environments where light meters are used are:

• Warehouses and factories
• Commercial office buildings
• Hotels and restaurants
• Public buildings
• Schools and other educational buildings
• Libraries
• Museums and art galleries
• Hospitals and other healthcare buildings
• Garages and car parks
• Stadiums and sports & leisure buildings
• Building commissioning, operation and maintenance
• Building security
• Photography and video

How is light measured?

When using this light meter, light levels are measured using the lux scale and footcandle scale.


RS PRO aims to be your go-to brand when you need reliability, quality, and affordability. We source high-quality tools and parts from trusted sources and employ expert testing to build a brand you can rely on.

When it comes to test and measurement equipment, RS PRO has an extensive range of solutions. From electrical to environmental measurement, we offer calibrated and multi-function instruments to suit your needs.

Supplied with

Carrying case, Instruction manual, battery, CD software, Micro-USB cable.

Maximum Light Level580 kfL, 1999 kcd/m²
Minimum Light Level9.999 fL, 9.999 cd/m²
Best Accuracy±3 (Calibrated to Standard Incandescent Lamp (2856 K % @ +25°C or +77°F)), ±5 (Calibrated to Standard Incandescent Lamp (2856 K % @ +25°C or+77°F))
Resolution0.001 cd/m², 0.001 fL
Battery Life50 h
Battery TypeAAA
Power SourceBattery
Dimensions150 x 72 x 35mm
Weight210 (Photosensor) g, 235 (Metre) g
Maximum Operating Temperature+50°C
Minimum Operating Temperature0°C