Reichert AT550 Auto Non-Contact Tonometer The AT550 Auto Non-Contact Tonometer with hands-free auto alignment, quiet operation and the softest air puff available today is in a class by itself, the fully automated AT550 does not have a chinrest, joystick or elevation controls. It's unlike any other non-contact tonometer. Patients simply lean against the instrument's forehead rest and view a fixation target. With its patented automated alignment system, operators only press a button to activate the IOP measurement process.

Specifications
· Height: 17 in. (43.0cm)
· Width: 9.5 in. (24.0cm)
· Depth: 13.5 in. (34.0cm)
· Weight: 30 lbs. (13.6kg)
· Frequency: 50/60Hz
· Measurement range: 0 - 60mm Hg