RayTek MARATHON MM SERIES - Protective Window

Accessories
Marathon MM Rev. D7 Jul 2017 65
9.12 Protective Window
Protective windows can be used to protect the sensor’s optics against dust and other contamination.
The following table provides an overview of the available protective windows recommended for the
spectral models. All protective windows have a transmission below 100%.
To avoid erroneous readings, ensure that the transmission for the appropriate
protective window must be set in the sensor, see section 7.2 Operation Modes, page 34!
Order number
Identification
Model
Material
Transmission
XXXMMACTWL
no dot
Focus SF/VF:
LT, 3M, MT, G5
Zinc Sulphide
0.75 ±0.05
XXXMMACTWLS
no dot
Focus SF/VF:
LT, 3M, MT, G5
Zinc Sulphide
stainless steel
0.75 ±0.05
XXXMMACTWLCF
1 dot
Close Focus CF:
LT, 3M
Zinc Sulphide
0.75 ±0.05
XXXMMACTWLCFS
1 dot
Close Focus CF:
LT, 3M
Zinc Sulphide
stainless steel
0.75 ±0.05
XXXMMACTWLF1
no dot
LT
Plastic Foil
stainless steel
0.75 ±0.05
XXXMMACTWGP
2 dots
1M, 2M
Fused Silica
0.93 0.05
XXXMMACTWGPS
2 dots
1M, 2M
Fused Silica
stainless steel
0.93 0.05
Tab. 7: Protective Windows
For special requirements, please contact your local vendor or representative about our range of special
protective windows.
Figure 43: Dimensions for Protective Window(left: SF version, right: CF version)