Light Meters

Light meters, sometimes referred to as lux meters, are instruments that measure light levels or light pollution.

How is light measured?

Light can be measured in different ways with different light measurement instruments:

  • Photometer – measures visible light or light intensity. Light intensity can also be measured in two different ways; one way is by using a luminance meter which measures the visible energy output of a light source, or another method is by using an illuminance meter that measures the visible energy falling on an object's surface
  • Integrating sphere - collects electromagnetic radiation from a source completely external to the optical device
  • Spectrometer – uses the light, breaks it into its spectral components and creates a digital signal in wavelength form
  • Light Meter – measures light levels and is the most commonly used piece of equipment
  • Light meters usually return measurements in Lux (in Europe), foot-candles (in the US), or both. Typical models are handheld and feature an integrated light sensor or a sensor connected by a lead.

    What are light meters used for?

    Light meters are frequently used in workplaces, schools, hospitals and public places to test if there is an appropriate amount of light within the environment. This is particularly pertinent in the workplace, as there is a responsibility that employees work in an environment with suitable lighting.

    They are also a key piece of light measurement equipment when it comes to working in photography, especially when using a camera in a studio, or in ambient light. A handheld light meter is often used to determine the proper exposure for a photograph.

    Budget light meters can help to perform quick checks on light intensity where more advanced models have monitoring functionality as well as the ability to record, store and transfer data.

    Key Benefits of a Light Meter:

  • Portable and sometimes pocket-sized, they are a useful piece of equipment to have for any light measuring applications
  • A meter that offers accuracy in measurement
  • Easy to read displays with real-time results
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    Detalii produs Marca Stock Maximum Light Level Minimum Light Level Best Accuracy Resolution Sensor Type Battery Life Battery Type Dimensions Weight Features Height Length Maximum Operating Temperature Model Number p Width Minimum Operating Temperature
    Digital Luxmeter with data storage Beha-Amprobe 0 - - - - - - - - - - - - - - - -
    RS PRO RS-3809 Light Meter, 40lx to 400000lx, ±3 % RS Pro 179 400000lx 40lx ±3 % - Silicon Photo Diode - 9V 162 mm x 63 mm x 28 mm 250g - 28mm 162mm - RS-3809 63mm -
    RS PRO ILM1335 Light Meter, 0lx to , ±3 % ± 0.5 Digit % RS Pro 117 - 0lx ±3 % ± 0.5 Digit % 0.01 fc, 0.01 lx Photodiode 400 h AAA 72 x 35 x 150mm 320g Accurate, Auto Power Off Function, Data Hold, Instant Response, Peak Hold Function, Relative Function 150mm 72mm +40°C ILM1335 35mm 0°C
    RS PRO ILM201L Light Meter, ±3 (Incandescent) % RS Pro 97 - - ±3 (Incandescent) % - Photodiode - - 55 x 38 x 130mm 250g Manual Ranging, Manual Zero Adjustment, Max Hold 130mm 55mm - ILM201L 38mm -
    RS PRO ILM 1337 Light Meter, ±3 % ±5 Digits RS Pro 93 - - ±3 % ±5 Digits 0.01 lux - 400 h AAA 72 x 150 x 35mm 320g Accurate, Data Hold, Instant Response 35mm 72mm +50°C ILM 1337 150mm 0°C
    RS PRO ILM01 Light Meter, 0.01lx to , ±3 % ± 5 Digit RS Pro 83 - 0.01lx ±3 % ± 5 Digit - Photodiode 100 h AAA 72 x 35 x 150mm 320g Accurate, Auto Power Off Function, Data Hold, Instant Response, Point Average Function 150mm 72mm +50°C ILM01 35mm 0°C
    Lux meter with light type selection RS Pro 72 - - - - - - - 72 x 32 x 180mm - Memory Recall Button, Push Button 4 Light Type Select 180mm 72mm - - 32mm -
    RS PRO IM203 Light Meter, 20lx to 200000lx, ±3 % RS Pro 52 200000lx 20lx ±3 % - Photodiode - - 172 x 55 x 38mm 250g Data Logging, USB Interface 38mm 172mm - IM203 55mm -
    RS PRO RS-92 Light Meter, 0lx to 40000lx, ±5 % RS Pro 43 40000lx 0lx ±5 % 0.1 lx Silicon Photo Diode - 9V 206 mm x 54 mm x 35.6 mmmm 175g Easy Transfer of Measuring Data to User Smart Phone 35.6mm 206mm +40°C RS-92 54mm 0°C
    RS PRO Light Meter, 0.01 fc, 0.1 lx to 9999 fc, 99990 lx, ±0.02 (XY/800 lx % @ Standard Illuminant A Measured), ±3 (EV RS Pro 40 9999 fc, 99990 lx 0.01 fc, 0.1 lx ±0.02 (XY/800 lx % @ Standard Illuminant A Measured), ±3 (EV Linerarity) % - - 50 h AAA 150 x 72 x 35mm 210 (Photosensor) g, 235 (Metre) g - 35mm 150mm +50°C - 72mm 0°C
    RS PRO IM720 Light Meter, 400lx to 400000lx, ±3 % RS Pro 37 400000lx 400lx ±3 % 3 lx Photodiode - AAA 133 x 48 x 23mm 80g - 23mm 133mm - IM720 48mm -
    RS PRO ILM1332A Light Meter, 0.01lx to 200000lx, ±3 % RS Pro 22 200000lx 0.01lx ±3 % 0.1 lx Photodiode 200 h 9V 72 x 33 x 135mm 250g Accurate, Data Hold, Instant Response 135mm 72mm +40°C ILM1332A 33mm 0°C
    Amprobe LM-120 Light Meter, 20lx to 200000lx, ±6 % Amprobe 21 200000lx 20lx ±6 % 0.01 lx Photodiode 200 h 9V 130 x 63 x 38 mm, 80 x 55 x 29 mm 220g Data Hold 29 mm, 38 mm 80 mm, 130 mm +50°C LM-120 55 mm, 63 mm -10°C
    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 RS Pro 9 580 kfL, 1999 kcd/m² 9.999 fL, 9.999 cd/m² ±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)) 0.001 cd/m², 0.001 fL - 50 h AAA 150 x 72 x 35mm 210 (Photosensor) g, 235 (Metre) g - 35mm 150mm +50°C - 72mm 0°C
    Sauter SO 200K Light Meter, 200lx to 200000lx Sauter 9 200000lx 200lx - 0.1 lx Photodiode - - 100 x 60 x 28mm 250g Data Hold 28mm 100mm - SO 200K 60mm -
    Chauvin Arnoux C.A 1110 Light Meter, 0.01 fc, 0.1 lx to 18580 fc, 200000 lx Chauvin Arnoux 6 18580 fc, 200000 lx 0.01 fc, 0.1 lx - 0.01 (0.01 → 99.99 fc) fc, 0.1 (0.1 → 999.9 lx) lx, 0.1 (100 → 999.9 fc) fc, 1 (1000 → 9.999 fc) fc, 1 (1000 → 9999 lx) lx, 10 (10000 → 99.99 klx) lx, 10 (Beyond) fc, 100 (Beyond) lx Silicon Photo Diode 500 h 1.5 V AA/LR6 Alkaline 72 x 32 x 150mm 345 (with Battery)g Automatic Power-OFF, Data Storage, Interfaces, Manual Start/Stop Recording, MAP Mode, Min-Avg-Max-Hold, Mounting 150mm 72mm +60°C C.A 1110 32mm -10°C
    Amprobe LM-100 Light Meter, 20lx to 200000lx, ±6 % Amprobe 0 200000lx 20lx ±6 % 0.01 lx Photodiode 200 h 9V 130 x 63 x 38 mm, 80 x 55 x 29 mm 220g Data Hold 29 mm, 38 mm 130 mm, 80 mm +50°C LM-100 55 mm, 63 mm -10°C
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