Welch Allyn Connex Integrated Wall System - User Manual - Manual (Page 114)

Protection classifications, Wall system configurations
Graphical display resolution
Display area 8 in. (H) x 4 in. (V) (19.5 [H] cm x 11.3 [V] cm)
Pixels 1024 (H) x 600 (V)
Pixel arrangement RGB (red, green, blue)
Color depth 16 bits per pixel
Speaker volume
Output sound pressure 57 dB at 1.0 meter
Measured sound range 46 – 66 dB(A)
Alarm and pulse tones per IEC 60601-1-8
Pulse frequency (f
0
) 150 – 1000 Hz
Number of harmonic components in
the range 300 Hz to 4000 Hz
minimum of 4
Effective pulse duration (t
d
) high priority: 75 –200 ms
medium and low priority: 125 – 250 ms
Rise time (t
r
) 10 – 20% of t
d
Fall time a (t
f
) t
f
< t
s
– t
r
Note The relative sound pressure level of the harmonic components should be within 15 dB above
or below the amplitude at the pulse frequency.
a Prevents overlap of pulses.
Battery specifications
Rating 10.8V 1.9 Ah (20Wh)
Composition Lithium-ion
Nurse Call connection specifications
Nurse Call 25 V AC or 60 V DC maximum at 1A maximum
Handle specifications
Handle output 3.00 - 3.90v, .700 - 1.5A
Leakage current is less than 10 microamps from any exposed metal part.
108 Specifications Welch Allyn Connex ® Integrated Wall System