MSA 47K Series - Special Conditions for SIL 2

GB
MARKINGS, CERTIFICATES AND APPROVALS MSA
32 Series 47K Gas Detector [SIL 2]
7.3. Special Conditions for SIL 2
According to TUV Certificate 968 / EZ 392.00/09
Safety relevant parameters for Sensor Type 47K-PRP at 25 °C
amb
and for
47K-HT-PRP at 120 °C
amb
:
Type A
Structure 1oo1
HFT 0
PFD 1,3 x 10
-3
HFT 1
PFH 1,9 x 10
-7
SFF 75,8%
MTBF 272946 h
λ tot 3664 fit
λD 1832 fit
λDU 886 fit
λDD 946 fit
MTTR 72 h