Product description:
The tonometer INS-11012 is easy to use to measure the intraocular pressure. Each increment on the scale equals to 1/20mm corneal pressing depth, and the readings on scale can be converted to intraocular pressure by looking up the calibration scale for tonometer.<br /><br />Specifications:<br />Tonometer Schiotz <br />Dimensions: 7 x 4 x 1 in / 18 x 10 x 2 cm <br />Weight: 10.40 oz / 295