RayTek MI Miniature Infrared Sensor - Manual (Page 61)

Accessories
MI 53
Figure 37: Maximum Ambient Temperature depending on
Air Flow and Hose Length
Note: “Hose Length“ is the length of hose exposed to high ambient
temperature (not the overall length of the hose).
Hose Length
60 l / min (2.1 cubic feet per minute)
Air Flow:
50 l / min (1.8 cfm)
40 l / min (1.4 cfm)