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air/Water cooleD housing
The air/water cooled housing shown below allows the sensor to withstand high ambient temperatures.
It is equipped with two 1/8” BSP fittings. Water temperature should be 10°C to 27°C for efficient cool-
ing. Chilled water below 10°C is not recommended. To avoid condensation, the air purge collar should
be used with the water-cooled housing. Water flow rate should not be more than 0.5 to 1.5 litres/min.
40.0
21
19
63
103
M16 x 1mm
1/8 BSP water/air connections
1/8 BSP Air connection
25
OS210-APSW
(OS212)
50
OS210-APSN
(OS152, OS302 & OS802)
20
29
40
air purge collar
The air purge collar below is used to keep dust, fumes, moisture, and other contaminants away
from the lens. It must be screwed in fully. Air flows into the 1/8” BSP fitting and out of the front
aperture. Air flow should be no more than 5 to 15 litres/min.
Clean or ‘instrument’ air is recommended.
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