HAAG STREIT Applanation Tonometer AT-900

Warning: This check must be carried out once a month.

Is the measuring prism properly positioned?

Is the control weight correctly set?

Did the repeated check yield correct results?

Defective devices must be sent immediately to your Haag-Streit representative.

Haag-Streit offers a repair and service package. For further information, please contact your Haag-Streit representative directly.

Sign off on the Tonometer Check

Check position −0.05: The zero line on the measuring drum is moved downwards, opposite the index, by a single marking width. The feeler arm must move by itself all the way to the stop-piece, in the direction of the examiner.

Check position +0.05: The zero line on the measuring drum is moved upwards, opposite the index. The feeler arm must move all the way to the stop-piece, on the patient's side.

Check position 1.95: With a drum position of 1.95, the feeler arm must move from the free-movement area toward the limit stop in the direction of the examiner.

Check position 2.05: With a drum position of 2.05, the feeler arm must move from the free-movement area toward the limit stop in the direction of the patient.

Check position 5.9: The check point is at 5.9. Move the measuring drum's calibration mark 6 downwards, opposite the index, by a ½ interval. The feeler arm must move towards the examiner.

Check position 6.1: The check point is at 6.1. Move the measuring drum's calibration mark 6 upwards, opposite the index, by a ½ interval. The feeler arm must move towards the patient.

Warning: The preparation instructions provided do not apply to tonometer measuring prisms.

Tonometer measuring prisms must be prepared in accordance with a different manual.

Comply with the stipulated exposure time.

Observe the manufacturer's safety instructions.

Too strong or aggressive disinfectants or cleaning liquids e.g. hydrogen peroxide will damage the finish and coating of the device.

Do not use any towels that drip.

Wring out any soaked towels before use when necessary.

Ensure that no liquid penetrates the device.