Light Measuring

PRECISION GOSSEN Foto- und Lichtmesstechnik – Your Guarantee for Precision and Quality GOSSEN Foto- und Lichtmesstechnik is specialized in the measurement of light, and has decades of experience in its chosen field. Continuous innovation is the answer to rapidly changing technologies, norms and markets. The outstanding quality of our products is assured by means of production in Germany and a certified quality management system in accordance with ISO 9001. Reliable measurement results with defined error limits are guaranteed by luminance meters and luxmeters classified in accordance with DIN...

Luminance (abbreviation: L, unit of measure: cd per m²) indicates the brightness impression perceived by the eye when positioned in front of a back-lighted or illuminated surface. It describes the physiological effect of light on the eye, and is used as a planning factor for outdoor lighting. GOSSEN’s precision luminance meters are used for distance and contact measurements for all types of light sources. For the purpose of adhering to applicable norms, this allows for testing of minimum and maximum luminosity, assurance of quality requirements specified for products with displays or lamps, ascertainment...

MAVOLUX 5032 C BASE This precision luxmeter is classified according class C in accordance with DIN 5032-7, appendix B of DIN EN 13032-1 and CIE 69. The high-end V(λ) matching and cosine correction guarantees the reliably measure for illuminance of daylight and artificial sources of light. Even in the case of very bright sunlight or illumination from headlights, no accessories are required. MAVOLUX 5032 C BASE Due to its class C accuracy, this meter is used primarily as an industrial measuring instrument for planning, installing, inspecting and monitoring lighting systems, as well as for the assurance...

Specifications Maximum reliability – Classified measurement of illuminance in lx or fc in accordance with class C per DIN 5032-7, appendix B of DIN EN 13032-1 and CIE 69. V(λ) matching – The spectral sensitivity of the silicon photodiode is color corrected and corresponds to the spectral brightness sensitivity of the human eye V(λ). Precise Measured Values – Accuracy amounts to ± 3% ± 1 digit of the display value. Cosine correction – The luminosity of a flat measuring surface is proportional to the cosine of the incident angle of light. This relationship is taken into consideration by the receiver...

MAVOLUX 5032 B/C USB This high precision luxmeter is available in class B and class C versions in accordance with DIN 5032-7, appendix B of DIN EN 13032-1 and CIE 69. Both variants are equipped with V(λ) adaptation as well as cosine correction, and reliably measure the illuminance of daylight and artificial sources of light. Even in the case of very bright sunlight or light from headlights, no accessories are required. Due to its outstanding accuracy in accordance with class B, the MAVOLUX 5032 B USB is used primarily for certification and inspection applications. An additional measuring range...

Specifications Maximum precision – Classified measurement of illuminance in lx or fc in accordance with class B or class C per DIN 5032-7, appendix B of DIN EN 13032-1 and CIE 69. Broad measuring range – High initial sensitivity and a resolution of 0.01 lx or 0.001 fc for the MAVOLUX 5032 B USB, right on up to large illuminance values of 199,900 lx or 19,990 fc. V(λ) adaptation – The spectral sensitivity of the silicon photodiode is color corrected and corresponds to the spectral brightness sensitivity of the human eye V(λ). The quality of this adaptation represents a significant difference between...

MAVO-MONITOR USB MAVO-MONITOR This high precision luminance meter for contact measurement is assigned to class B in accordance with DIN 5032-7, appendix B of DIN EN 13032-1 and CIE 69, and measures the perceived light of back-lighted surfaces in candelas per square meter (cd/m²) or foot-lamberts (fL). It is the excellent adaptation to the spectral spectral brightness sensitivity of the human eye with a minimum deviation of only f1’ < 3 % that is significantly better than the specifications demanded in the standard. After pressing the HOLD key, the measured value is saved to memory and display...

Specifications Maximum precision – Classified measurement of luminance in cd/m² or fL in accordance with class B per DIN 5032-7, appendix B of DIN EN 13032-1 and CIE 69. Broad measuring range – High initial sensitivity and a resolution of 0.01 cd/m² or 0.001 fL, right on up to 19,990 cd/m² or 1999 fL. V(λ) adaptation – The spectral sensitivity of the silicon photodiode is color corrected and corresponds to the spectral brightness sensitivity of the human eye V(λ). Convenient everyday use – Simple operation, easy to read display, compact design, protection during transport in high quality aluminum...

Specifications Maximum precision – Classified spot metering of luminance with an acceptance angle of 1° in cd/m² or fL in accordance with class B per DIN 5032-7, appendix B of DIN EN 13032-1 and CIE 69. Precision focusing – The mirror reflex with a 1° measuring circle and a 15° field of view is laid out for distance measurements from 1 meter to infinity, with optional close-up lenses for focusing as of 34 cm. Contact measurement – Contact measurement can be performed with an optional probe and adapter disc. Broad measuring range – High initial sensitivity and a resolution of 0.01 to 99,900 cd/m²...

This high precision luminance meter for distance measurement with an acceptance angle of 1° is assigned to class B in accordance with DIN 5032-7, appendix B of DIN EN 13032-1 and CIE 69. It measures the perceived brightness of back-lighted surfaces in candelas per square meter (cd/m²) or foot-lamberts (fL) in consideration of ambient light. MAVO-SPOT 2 USB Is equipped with an excellent adaptation to the spectral brightness sensitivity of the human eye V(λ) and is highly precise with a minimal deviation of just f1‘ < 3 %, which is significantly better than specified in the standard. By means of...