Page 18 of 87 DGH 55B-INS-OMENG Rev: 3
6.4 Calibration Verification Box (CalBox)
To check Pachmate 2 calibration, an electronic Calibration Verification Box “CalBox” is used
to simulate the thickness of the cornea. Instructions for using the CalBox are given in section 4
and they are also printed on the CalBox label.
WARNING: Calibration verification should be performed daily before using the device.
Fig 6.4.1 The DGH 55B (Pachmate 2) Electronic CalBox
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