Gossen Close-up Lens 2 M497G User Manual
Product codes
M497G
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
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