Dwyer TIC - Manual (Page 71)

70
Accessory
There are 5 optional lenses for the TIC series. You can change the lens
as follow.
1
Loosen the standard lens, and screw the optional lens as
follow.
2
Set up the measurement
range. Press UP and Down
key on the arrow at the same
time to change to type of
lens. (p.36).
Refer to the below table to
see what type of lens the
letter stands for.
Type Null A B C D E
Lens 20° 12.8° 38° 3.8° 6.4° 9°
Use the optional lens