Haag-Streit Perkins MK3 Manual De Instrucciones página 27

Weight
Setting block
If desired, the Actual point of balance can be established by adjusting the milled thumb
wheel (Fig 2, 8) until the prism floats at the calibration-position (rim of prism holder level
with, or not more than 1 mm above the case surface).
Check at the 5g position
6. Repeat the process as described in points 4 and 5 above, but using the 5 mark on
the scale and a setting one-and-a-half lines width above and then below the 5
mark and with the 5g weight on the prism cone. The actual point of balance can
again be found if required.
The tolerances in the tests above represent the following figures
Zero
2 g
5 g
If the tonometer is found to be outside the stated limits it should be returned
to HS-UK for repair.
7.2 Repair
To guarantee a long service life, the device must be cleaned as described and protected
in its case when not in use or during transportation. HS-UK recommend annual servicing,
by a fully-trained Haag-Streit UK accredited Engineer.
Repairs may only be performed by fully-trained Haag-Streit UK accredited engineers.
Contact the Haag-Streit UK Service Division for a quotation. Contact details are available
at www.haagstreituk.com/service.
their local Haag-Streit UK representative.
7.3 Cleaning & disinfection
Turn the device off before proceeding with cleaning and disinfection.
This guidance does not apply to tonometer measuring prisms.
±0.05g
±0.05g
±0.075g
Users who live outside the UK should contact
en
Figure 8
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