The Applanation tonometer OP-1H truly compliments the practitioner's working standards and need for an accurate Tonometer.

The OP-1 H utilizes a Japanese measuring cone, which is set to the Goldmann Standards.

The measuring range of the instrument is from 1-80mm of Hg.

Standard calibration set is provided with the instrument. It can be easily mounted on the top of any Slit-Lamp microscope.