Sensor Accuracy vs Maintenance Cost
Apply risk-based calibration strategies tied to SIL criticality ratings so maintenance effort is proportionate to the safety consequence of instrument failure.
CyberTRIZ analysis · Seveso contradiction FS004 · one of 8,235 worked contradictions published by CyberTRIZ.AI
Regulations
Business Context
High-accuracy instrumentation improves process control, safety function
reliability, and operational confidence. Precision instruments, however,
require more frequent calibration, verification, and maintenance.
The Contradiction
Greater sensor accuracy improves safety performance.
Greater accuracy increases maintenance requirements.
Why It Exists
Precision instrumentation generally requires tighter calibration
tolerances and more rigorous lifecycle management.
Direction
Select instrumentation according to process criticality while combining
self-diagnostics, smart sensors, and risk-based calibration strategies.