Operating Instructions ET-xx8 / MT-xx8
Appendix F
Page 72 of 84
R. STAHL HMI Systems GmbH / OI_ET_MT-xx8_en_V_01_02_03.docx / 10.03.2021
22.1.2
Display specification
Type of defect / description
max. number of permitted defects
15" SR Display
15" display
21.5" SR Display
Linear defect (horizontal, vertical)
not acceptable
Defective pixels
bright dots
≤ 3
≤ 2
≤ 2
dark dots
≤ 3
≤ 3
≤ 5
total number of dots
≤ 5
≤ 3
≤ 5
adjacent dots
2 bright dots
≤ 1 pair
≤ 0 pair
≤ 1 pair
more than 3 bright dots
not acceptable
2 dark dots
≤ 1 pair
≤ 1 pair
≤ 2 pairs
more than 3 dark dots
not acceptable
Distance between the dots
between 2 bright dots
not defined
≥ 15 mm
≥ 15 mm
between 2 dark dots
not defined
≥ 15 mm
≥ 15 mm
between 1 bright and
1 dark dot
not defined
≥ 15 mm
≥ 15 mm
ND filter for mura effects, bright and
dark dots
View with 5% filter
View with 5%
filter
View with 6%
filter
