Welch Allyn 118 Series PanOptic Ophthalmoscope - User Manual - Manual (Page 25)

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Specifications
Model Number
11810 PanOptic Ophthalmoscope without Cobalt Blue Filter
11820 PanOptic Ophthalmoscope with Cobalt Blue Filter and Add-
on Corneal Viewing Lens
Dimensions
5.125”L x 1.4”W x 3.750”H without eyecup
Eyecup 1.45”L
Weight
.48 lbs without eyecup
.50 lb with eyecup
Conforms with
IEC/UL/CSA/EN 60601-1
ISO 10943
Equipment Classification
Equipment not protected against the ingress of water.
Environment
Temperature limitation
Operating: 59°F (10°C) -104°F (49°C)
Transport/storage: -4°F (-20°C ) - 120°F (55°C)
Humidity limitation
Operating: 30% - 90%
Transport/storage: 10% - 95%
Atmospheric pressure limitation
500 hPa - 1060 hPa
IPXØ