RayTek Thermalert GP series - Page 59

Thermalert GP Series Operator’s Manual 51
The length of the air supply hose and the temperature of the cooling air can
be estimated from the chart in Figure B-20.
Note: The “Hose Length” is the length of hose exposed to high ambient temperature
and not the overall length of the hose.
2.1 cubic feet per minute (cfm)
Air Flow: 60 L per minute
1.8 cfm
Air Flow: 40 L per minute
1.4 cfm
Air Flow: 20 L per minute
163
100
200
T
amb
[°C]
Hose Length
250
150
85
6912
5123
4
meters
feet
Figure B-20: Maximum Ambient Temperature Depending on Air
Flow and Hose Length
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