Garz & Fricke Neso LT series Manual page 9

Housing
Back Cover
Mounting Plate
Approximate Dimensions
W x H x D [mm]
Weight [g]
Environment
Humidity [%]
Operating Temperature [°C]
Storage Temperature [°C]
Max. Operating Altitude [m]
Max. Storage/Transit
Altitude [m]
Noise Level [db(A)] @ 1m
Lifetime
2
Backlight Lifetime LCD
Display [h]
Operating Lifetime Touch
3
MTBF [h]
2
Backlight lifetime is dictated by the LCD manufacture´s specification. Backlight lifetime is the approximate time at which
the brightness decreases to half of its original brightness. Reduction of brightness due to backlight lifetime is not
considered as failure. It is a natural aging of all electronic components.
3
Electrical products use the industrial standard term Mean Time between Failure (MTBF) as a statistical prediction of the
elapsed time between failures in a large population of systems.
The MTBF of all Garz & Fricke HMI products shall be 50,000 hours
A failure is anything that causes the product not to function to its specifications
Reduction in brightness due to backlight lifetime is not a failure
If the LCD used in the system exceeds its pixel defect specification it is considered a failure
1.4016 high quality steel, polished, 0.8mm
ABS-PC, metallized
130.2 x 67.2 x 25.4
190
5 ~ 90 (non condensating)
0 ~ +60
-20 ~ +70
3,000
10,000
<<40 (fanless design)
30,000
100,000 (by pen), 1,000,000 (by finger)
≥ 50,000
NESO LT 4.3" Open Frame Manual
9