Welch Allyn Digital MacroView Otoscope - User Manual - Manual (Page 27)

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Specifications
Item Specification
Weight Approximately 95 g (0.2 lb)
Dimensions
(approximate) Height: 7.0 cm (2.8 inches)
Length: 10.2 cm (4.0 inches)
Width: 3.7 cm (1.5 inches)
Rating Lamp: 3.5Vdc, 810 mA
USB: 5.0Vdc, 150 mA
Protection against ingress of
water IPXØ
Operating conditions
Temperature
Relative humidity
Altitude +10° C to +40° C (+50° F to +104° F)
30% to 75% noncondensing
700 to 1060 hPa
Shipping and storage conditions
Temperature
Relative humidity -20° C to +49° C (-4° F to +120° F)
95% noncondensing max.
Intermittent operation < 2 minutes on, > 10 minutes off between uses
Safety, EMC, and regulatory
compliance CAN/CSA C22.2 No. 601.1-M90, including amendments 1 & 2
EN/IEC 60601-1
EN/IEC 60601-1-2
UL 60601-1
Patents Patents Pending