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DEUTSCH
ENGLISH
FRANÇAIS
ITALIANO
ESPAÑOL
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PORTUGUÊS
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© HAAG‑STREIT AG, 3098 Koeniz, Switzerland ‑ HS‑Doc. no. 1500.7006000‑04270 – 2022 – 09
• 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 the drum position 6
Set the weight rod to 6 on the scale, the longer part points to the examiner.
• Check position 5.9
The check point is at 5.9. Move the measuring drum's calibration mark 6 down-
wards, 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 up-
wards, opposite the index, by a ½ interval. The feeler arm must move towards
the patient.
8.4 Checking the Tonometer AT 870
NOTE!
This check must be carried out once a month. If the check yields erro-
neous results, please check the following points:
1. Is the measuring prism properly positioned?
2. Is the control weight correctly set?
3. Repeat the check.
Defective devices must be sent immediately to your Haag-Streit representative.
NOTE!
Haag-Streit offers a repair and service package. For further information,
please contact your Haag-Streit representative directly.
AT 900 model R
AT 900 model T
AT 900 model BQ
AT 870