RayTek MI Miniature Infrared Sensor - Manual (Page 17)

Technical Data
MI 9
3.5 Dimensions
Figure 2: Dimensions of Sensing Head
Standard cable length
1 m (3 ft.)
MID/MIC: Ø 5 mm (0.2 in)
MIH: Ø 3 mm (0.12 in)
2 mounting holes,
Ø 4.5 mm (0.17 in)