Endress+Hauser Micropilot FMR60 - Other Safety-Related Characteristic Values; Useful Lifetime of Electric Components

Micropilot FMR60/62/67
Endress+Hauser 5
Other safety-related
characteristic values
Characteristics as per IEC 61508 Value
System reaction time as per DIN EN 61298-2 In "Increased safety mode"
• for "Medium type = Liquid": <19 s
• for "Medium type = Solid": < 300 s
In "Expert mode"
• for "Medium type = Liquid":
– very fast <6 s
– slow <90 s
• For "Medium type = Solid":
– very fast <6 s
– slow <710 s
Useful lifetime of electric
components
The established failure rates of electrical components apply within the useful lifetime as per
IEC 61508-2:2010 section 7.4.9.5, note 3. In accordance with DIN EN 61508-2:2011 section
7.4.9.5, national footnote N3, appropriate measures taken by the manufacturer and operator can
extend the useful lifetime.