Technical Data; Applanation Tonometer At 900; Applanation Tonometer At 870; Maintenance - Haag-Streit AT 910 Instructions For Use Manual

ENGLISH DEUTSCH FRANÇAIS
Bands are no longer in contact (17)
Pressure is too high.
Lower the pressure by rotating the tonometer knob in the
opposite direction.
Correct setting! (18)
The inside borders of the fluorescein bands are contacting each
other.
6.

Technical data

6.1 Applanation tonometer AT 900

Measuring force gen-
through leverage weight.
erated
Installation
AT 900 model R
AT 900 model T
AT 900 model BQ
Measurement range
0 ― 80 mm Hg
Measurement deviation The measurement deviation in the measuring prism is in the measur‑
ing range from 0 – 58.84 mN and amounts to a maximum of ±1.5%
and to a minimum of ±0.49 mN of the nominal value.
Backlash width
≤0.49 mN
Net weight
AT 900 model R
AT 900 model T
AT 900 model BQ
AT 900 model R AT 900 model T
12
01-IFU_AT900-7006000-04240_eng.indd 12
ITALIANO ESPAÑOL
16
17
Can be fitted on the peg on the microscope.
Can be fitted on the guide plate on the swiv‑
elling peg for the microscope and illumina‑
tion arm.
Assembly on the microscope arm.
0.73 kg (without accessories)
0.49 kg (without accessories)
0.78 kg (without accessories)
AT 900 model BQ
PORTUGUÊS NEDERLANDS SVENSKA

6.2 Applanation tonometer AT 870

Measuring force generated
Via spring force
Installation
On / over the microscope
Measurement range
0 ― 80 mm Hg
Measurement deviation
See above model AT 900
Backlash width
≤0.49 mN
Net weight
0.850 kg (without accessories)
1. Nominal value
0 mN
2. Maximum limiting deviation
3. Limiting deviation of 0 to 32.66
mN: Maximum = 0.49 mN
4. Limiting deviation from 32.67
mN: Maximum = 1.5% of nomi‑
nal value
7.

Maintenance

WARNING!
Installation, repairs and modifications may only be performed by trained
specialists.

7.1 Repairs

To guarantee a long service life, the device must be cleaned weekly as described
and protected with the dust cover when not in use. We recommend having the de‑
vice inspected once a year by an authorized service technician.

7.2 Cleaning and disinfection

The Haag‑Streit slit lamps and their accessories can, if required, be carefully wiped
down with ready‑for‑use disposable 70% ethanol disinfectant wipes. Surface‑friend‑
ly disinfectants (containing aldehyde or aldehyde‑free) are also permitted, such as
Kohrsolin FF.
© HAAG‑STREIT AG, 3098 Koeniz, Switzerland − HS‑Doc. no. 1500.7006000.04240 – 24. Edition / 2018 – 04
AT 870
(2)
32.66 mN
+ 0.49 mN
(1)
‑ 0.49 mN
(3) (4)
(2)
03.05.2018 10:11:17