I test flew this instrument this morning (7-15-19) and it agreed with my EFIS Airspeed in all speed ranges. My old round airspeed was 25 Kts low. I like that it does not have a dual speed range as my old ASI did. Makes it easier to read, especially on short final.

This instrument is falling apart. After few hrs of flying, the right screw on the dial face came off and is sitting inside, at the bottom of the instrument. The face of the instrument with the characters is held in only the left screw. You can see in the picture that there are 2 screws, one on each side of the needle as it shows zero...