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9.124
Installation and operating instructions
Special applications, such as operation in corrosive
atmospheres, strong vibrations, impermissible volt-
age conditions etc., may necessitate further protection
measures.
0
20
40
60
80
100
120
140
in %
Operating hours [thsd]
1) If the maximum permissible temperature at the t
c
point is exceeded,
the failure rate may increase dramatically.
2) For detailed information, please refer to the product data sheet.
90 °C
1)
75 °C 65 °C 50 °C measuring point temperature t
c
10% failure after 50,000 hours
10 °C lower measuring point temperatures almost double the lifetime of the ECG
2)
Functional ECGs
0
20
40
60
80
100