Calex PyroUSB Serie Guía Del Operario página 5

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 cooling. 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.
Air Purge Collar
26.0
34.0
47.0
air purGe collar
The air purge collar below is used to keep dust, fumes, moisture, and other contami-
nants 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.
1/8 BSP Water/Air Connections
58.5
1/8 BSP Air connection
27
58.5
Water/Air Cooling Jacket
81.0
26
34
47
5