8/24/2020

The following parts mentioned are suitable for use in safety related systems up to and including

SIL 2 in accordance with IEC 61508. The mean time to failure was calculated using the IEC 62380

protection method. Since the mode of operation is continuous, failures per hour is used to determine

the Safety Integrity Level (SIL).

Parts tested:

Safety Integrity Level (SIL) Certificate of Compliance

Part Number Description Failures/Hour

AC979 SERIES Intrinsically Safe Biaxial Accelerometer, 3 Pin Side

1.27218E-07