Welch Allyn Spot VS100 Directions For Use Manual page 48

44 Specifications
Item
Avg. Efficiency:
Infrared radiation (light)
Vision Screener specifications
Item
Dimensions (cm/in):
Weight (lbs.):
Wireless Network:
Operating Temperatures (°C):
Operating Humidity:
Operating Atmospheric Pressure:
Storage/Shipping Temperatures (°C):
Storage/Shipping Humidity:
Storage/Shipping Atmospheric Pressure: 700 hPA to 1060 hPA
Expected Battery Life:
Screening capacity
Screening results provide an output that is either in- or out-of-range, accompanied by the
appropriate statement in the device output display ("Screening Complete" or "Complete
Eye Exam Recommended"). The displayed message is intended to prompt the caregiver
to assess whether the subject should be referred to an eye care specialist for further
evaluation or simply be monitored at future screenings.
Refraction
Spherical equivalent:
• Range:
• Accuracy:
Cylindrical:
• Range:
Welch Allyn
Specification
81-87% @ 0-50 W, ≥ 87% @ >51 to 250
2
850 nm, <2mw/cm
Specification
21.6 cm x 17.1 cm x 12.1 cm (8 ½ in. x 6 ¾ in. x 4 ¾ in.)
~2.55
802.11 a/b/g/n
+10 to +40
30% to 95% Relative Humidity (non-condensing)
800 hPA to 1060 hPA
-10 to +55
10% to 95% Relative Humidity (non-condensing)
2.5 Years (Under Normal Usage)
-7.50D to +7.50D in 0.25D increments
-3.50D to 3.50D, ± 0.50D
-7.50D to < -3.50D, ± 1.00D
> 3.50D to 7.50D, ± 1.00D
-3.00D to +3.00D in 0.25D increments
® ™
Spot Vision Screener Model VS100