Gossen M497G Datasheet Page 2

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Luminance Meters
MAVO-SPOT 2 USB
Type Luminance meter, with precision single lens reflex optical system,
display in view-finder
Measuring angle 1 °
Accuracy Class B according to DIN 5032-7 in all chapters and
DIN EN 13032-1, Appendix B
Optical system Stray light error ambient light (fs (u) < 2%)
Field of view 15 ° diagonal
Focusing distance 1 m to ∞ - focusing with external ring at the lens
Light sensor Silicon photo diode with V(λ) filter (f1 < 3%)
Luminance measuring unit cd/m² or fL (selectable with DIP switches)
Measuring ranges Automatic measuring range selection
0.01 cd/m² to 99 990 cd/m² in four ranges or
0,003 fL to 29 187 fL in four ranges
Measuring functions Luminance in cd/m² or fL (selectable)
Luminance percentage
Memory MEM
Correction Factor CORR
Measuring the illuminance (Lux) with GOSSEN Reflexion
Standard ( optional accessory)
Measuring mode Measurement from the distance (Close-up lenses for shorter
distances, optional accessories)
Contact measurement (Measuring Probe for contact
measurement, optional accessory)
Data memory Up to 1000 individual measurement values, or in 10 groups
(adjustable with DIP switch in the battery compartment)
USB Port USB 2.0 (1.1 compatible)
Operating elements Easy to use with 4 buttons, 1 sliding switch
Configuration with DIP switches in the battery compartment
Operating temperature 0° C to 50° C, According to EN 61010-1:2001, cl. 1.4.1
Storage temperature -20°C to +70°C
Power supply 2 x 1,5 V, size AA, when connected to PC, power will be supplied
via the USB cable
Software gLux software and additional applications
Others Tripod socket
Weight appr. 400 g without batteries
Standard equipment Meter in aluminum transport case, gLux software incl. meter
driver, USB cable, lens cover, eye piece, batteries and instruction
manual
Optional accessories Close-up lens 1 (51 cm to 100 cm), close-up lens 2 (34 cm to 50
cm), Measuring Probe for contact measurement, Reflexion
Standard for Lux measurement, Stray light screen, Carrying strap
Specifications:
7
Gossen Foto- und Lichtmesstechnik GmbH
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