Specifications
The vision screener has the following characteristics:
• This vision screener DFU document is valid for software versions 3.1.xx.yy.
• The vision screener has been calibrated as part of the manufacturing process and
does not require calibration henceforth.
• The external power supply/charger supplied is a Class II equipment and the vision
screener is also a Class II equipment when connected to the external power supply/
charger.
• The vision screener is internally powered by equipment (battery) when not
connected to the external power supply/charger.
• Protection against electric shock, no applied part.
• The vision screener is rated IPX0 and thus not protected from the ingress of water.
• The vision screener is not suitable for use in the presence of a flammable anesthetic
mixture with air or with oxygen or nitrous oxide.
• The vision screener is suitable for continuous operation.
• The vision screener quickly and easily detects vision issues across all age groups
starting at 6 months.
• Welch Allyn suggests a battery replacement, at an appointed Welch Allyn repair
facility, every 2.5 years at the owner’s expense. The vision screener regular
maintenance consists of wiping dust or dirt off the front glass surface and the LCD
display as needed.
Power supply specifications
Item
Specification
Mfg: SL Power Electronics
Model: MENB1040A1503N01 or MENB1040A1541N01
Japanese Model:
MENB1040A1503N02
Input Voltage: 90 – 264VAC (100 – 240VAC Nominal)
Input Frequency: 47 – 63 Hz
Input Current: 100VAC: 1.1A
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