Ocular Barraquer 10-15mm HG (ECP) Tonometer features the Terry dual calibration scale. Useful for many surgical applications. OBT-TC-10-15 Barraquer Tonometer is based on Maklakovís principle of applanation tonometry consisting of a conical shaft of high-density transparent plastic, a silicone retaining ring, and a slip ring handle. Tonometer is identified as to mm Hg. on the anterior surface. Instrument of 10-15mm Hg bears an engraved dual ring reticle on the endpoint indicating a predetermined intraocular pressure.The reticle measurements on the endpoints have been adapted from the Posner tables of calculations.
- Contact Diameter: 10mm
- Lens Height: 23.5mm