14
6. SPECIFICATIONS
Parameter
Parameter
value
Device
Transpalpebral
digital
tonometer
for
intraocular
pressure
measurement
Model
EASYTON
IOP readings range
(Goldmann scale), mmHg
7-50
(Maklakov’s scale), mmHg
15-53
Absolute permissible error limits
for IOP measurements
(Goldmann), mmHg, within the range of:
7-23 mmHg
±2
above 23 mmHg
±5
(Maklakov), mmHg, within the range of:
15-28 mmHg
±2
above 28 mmHg
±5
Measurement modes:
IOP: Goldmann scale
G (True)
IOP: Maklakov’s scale
M
(Ton)
IOP measurement time, sec, max
2
Power consumption during
measurement, mA, max
100
Power supply:
No. of elements and voltage, V
2 × 1.5,
standard
size
ААА
, R03
Parameter
Parameter
value
Display
LCD
Data output
Display
window
Overall dimensions
(L×H×W) mm, max
173 × 27 × 21
Weight, g, max
88,
incl.
batteries
Operating conditions:
operating temperatures range, °
С
from +10 to +35
relative air humidity,%, max
80
atmospheric pressure, mmHg
630-800
Mean service life, no less than
5
years
Tonometer readings obtained with the tester in the Goldmann IOP
measurement mode ________________/-2 mmHg.
(to be filled in at device acceptance)
