Haag-Streit AT900 Tonometer

Fits the Haag-Streit slit lamps BQ 900.
Provides a parking position and can be easily be moved into place for working.
The applanated surface is observed monocularly through the right eyepiece of the
stereo microscope.
Installation  
900 C/M   Mountable on peg on microscope
900 M/Q  Insertable in the guide plate on slewing peg for microscope and illumination
unit arm
900 BQ    Mountable on microscope arm
Measuring range         0 - 80 mm Hg
Measurement divergence, of the force impingement on the measuring prism over a
measuring range
from 0 - 58.84 mN
Standard divergence:
0.49 mN ≤ 3 s ≤ 1.5 % of rated value
Reverse span               ≤ 0.49 mN