For the first time ever, the MAVOSPEC unites a top quality photonic measuring system with and Android operating system and an intuitive user interface which is typical for portable devices. Diverse communication capabilities via USB and WiFi support data transmission and control with external software, as well as integration into stationary measuring systems. The outstanding optical system generates minimal spurious light within a range of 340 to 750 nm, and consists of miniaturized collimator lenses with nano-printed diffraction lines as well as a high- quality CMOS image sensor.

The MAVOSPEC reads out spectral power distribution, peak wavelength, various color coordinates in accordance with CIE standards, correlated color temperature, color rendering indices and illuminance. Measuring functions can be expanded through the use of optional accessories and software.This results in an extensive range of possible applications and a broad spectrum of uses in planning, installation and maintenance of illumination systems, R&D, production and quality assurance for lamps and light fixtures, as well as certification of light sources, e.g. LED retrofits for incandescent light bulbs.

Specifications

Illuminance – The standard probe with diffuser measures illuminance in accordance with the standards based on Lambert’s cosine law with cosine correction accuracy per class B. 

Large dynamic range – With a resolution of 0.01 lx, the meter is capable of measuring values from 1 to 200 000 lx, thus covering a broad range of applications.

Spectral power distribution – Measurement of spectral power distribution over a large spectral range of 340 to 750 nm with determination of the peak wavelength. Portions of the UV A range are covered. 

Chromaticity, color coordinates – Measurement of color coordinates in accordance with CIE 1931 [x,y], CIE 1960 [u,v] and CIE 1976 [u', v'], and display of the CIE standard color table.

Light quality – Measurement of the correlated color temperature CCT and color rendering index Ra, as well as individual indices R1 through R14.

Outstanding measured value stability – The integrated temperature sensor and automatic temperature compensation of the dark stream assure outstanding measurement results over a large temperature range.

Individual calibration – Before shipment, each spectrometer is photometrically and radiometrically calibrated together with any optional accessories. 

Simple functions expansion – Luminance, luminous flux and other measured quantities can be measured with optional measuring accessories or calculated from the spectrum with the help of analysis software.

Intelligent accessories detection – Coded measuring accessories are detected automatically in order to avoid measuring errors, associated calibration data are taken into consideration and the correct measured quantity is displayed.

Convenient daily use – Intuitive operation via touch-screen, easily legible color display with high resolution, compact design, protected transport in a high-quality aluminum case

Automatic measured value storage – Thousands of light measurements are automatically sorted into directories according to date and saved to files named with date and time on an interchangeable 4 GB micro SD card. Directories and files can be individually named or deleted.

Easy data transfer – Data saved to the interchangeable 4 GB micro SD card in XML format can be easily transferred to a PC via a reader and imported to any desired programs.

Universal interfaces – The integrated USB and WiFi interfaces allow for a flexible system structure and convenient data exchange with the PC, or optional GL SpectroSoft application software.

Synchronization with measuring systems – The trigger input/output is used to synchronize measurement with external system setups.

Stationary measurement setups – The ¼" tripod thread on the back allows for mounting to a tripod, to an optical table in the light lab or in production.

Reliable Measured Values through Calibration at Regular Intervals

The MAVOSPEC with intuitive user interface is one of the most accurate and reliable spectrometers in its class, and reflects the most up-to-date technology available on the market. Like all other precision light meters, this product also requires regular maintenance, recalibration and software updates in order to continuously fulfill performance capabilities within the tolerances and specifications stipulated by the manufacturer. GOSSEN recommends a calibration interval of once every 12 months.

When do measuring instruments have to be calibrated?

As a standard for quality management systems, DIN EN ISO 9001:2008 stipulates essential requirements for monitoring measuring instruments in section 7.6, insofar as they are used to assure valid results, and thus uniform product quality as well. Measuring instruments must be retraced to national standards at regular intervals by means of calibration, and if necessary adjusted, and plainly labeled with their calibration status. If it’s determined during calibration that the measuring instrument does not fulfill the specified requirements, the operating company must evaluate the validity of previously obtained measurement results and implement appropriate measures with regard to the measuring instrument itself, as well as all affected products. Consequently, calibration at regular intervals assures the quality of the respective product or service on the basis of inter- nationally comparable measurement results. This provides for legal security with respect to product liability, as well as for approval tests and audits.

Strictest Standards for the GOSSEN Light Lab

The GOSSEN Light Lab is equipped with a tested and monitored optical table, whose traceability to the national standard maintained by the PTB (German Federal Institute of Physics and Metrology) is assured by means of a Wi41G standard lamp. The lab is subject to test equipment monitoring in accordance with DIN EN ISO 9001-9004, and is additionally accredited for illuminance by DAkkS in accordance with DIN EN ISO/IEC 17025 under registration number D-K-15080-01-01. And thus you can count on product quality, the competence of our employees, continuous external monitoring and international recognition of our calibration services. In addition to factory calibration, GOSSEN also offers DAkkS calibration for illuminance.

GL SpectroSoft

GL SpectroSoft is optional evaluation software with an intuitive user interface and extensive measuring functions for the spectral analysis of light sources, as well as transmission and reflection measurements. Spectral values measured with the MAVOSPEC and the respectively required accessories, as well as externally generated spectra, can be evaluated in accordance with current CIE standards. The software calculates colorimetric magnitudes such as chromaticity in accor dance with various CIE standards, correlated color temperature, chromaticity error, peak wavelength, dominant wavelength, color rendering index and index of metamerism. Extensions such as scotopic and photopic values, PAR and PPFD values and MacAdam ellipses can be implemented upon request. The software is extremely well suited for general light assessments, for laboratory applications and for quality assurance in production. The configurable desktop can be adapted to the respective measuring task, and displays only the required information in a clear-cut fashion. Various program versions are available to match different requirements.

GL SpectroSoft Basic, Specifications

Spectral power distribution – graphic display of the spectrum with scaling function and assignment of colors to wavelengths

Tabular measured value display – table with spectral data in native or calculated step sizes of 1, 2 or 5 nm

Evaluation of the spectra – calculation of photometric and colorimetric quantities, chromaticity (XYZ; x,y; u',v'; CIELab), correlated color temperature, chromaticity error, peak wavelength and value, dominant wavelength, color rendering index Ra and individual indices R1 through R14

Chromaticity display – in in the CIE standard color table, CIE 1931 [x,y], CIE 1960 [u,v] or CIE 1976 [u', v'] with a selectable standard observer of 2° or 10°

Basic photometric quantities – depending on utilized accessories, illuminance, luminance or luminous flux is calculated from the spectrum.

Personalized measurement reports – can be generated in HTML format for the momentarily displayed measurement for the purpose of documentation.

Remote control of and data transfer – for the MAVOSPEC via USB or WiFi interface. Individual, continuous and interval controlled measurements are supported.

Universal exchange of spectra – externally generated spectra can be imported from TXT files and subsequently evaluated. Internal data can be exported via TXT files or the clipboard and processed with other applications.

Individually configurable desktop – individual windows can be arranged and scaled as desired, and saved as a configuration.

International use – selectable user interface language: German, English, French, Italian or Polish