PrimaX® IR
41
Approvals
GB
X Series Junction Box
For additional approval information see
www.msasafety.com
8.2
Special conditions for the safe use according to ATEX and SIL applications
The PrimaX IR Gas Monitor has been subjected to rigorous reliability and functional safety assess-
ments, which have culminated in the gas monitor being certified to IEC 61508, EN 50271 by
TÜV Rheinland Industrie Service GmbH. The tables below list the SIL parameters for this device.
Safety relevant parameters for the PrimaX IR Gas Monitor:
Manufacturer:
MSA -The Safety Company
1000 Cranberry Woods Drive
Cranberry Township, PA 16066 USA
Product:
X Series Junction Box
Type of protection:
EN 60079-0:2018, EN 60079-1:2014
Marking:
II 2 G Ex db IIC Gb
-50°C
≤
Ta
≤
+105°C IP66
II 2 D Ex tb IIIC Db
-40°C
≤
Ta
≤
+105°C IP66
EC-Type Examination Certificate:
FM06ATEX0029U
Year of Manufacture:
see Label
Serial Nr.:
see Label
Type
B
Structure
1oo1 or 1oo2
HFT
0 or 1
Safe Failure Fraction (SFF)
96 %
DC
92 %
λ
S
(Detected safe failure rate)
1154.7fit
l
DU
(Undetected dangerous failure rate)
104.1fit
l
D
(Dangerous failure rate)
1154.7fit
l
DD
(Detected dangerous failure rate)
1050.6fit
PFD, PFH
see table
MTTR
72 hr
TI (Test Interval)
see table
Ambient Temperature
40 °C
PFD
1001
PFD
1001%
_SIL2
PFD
1002
PFD
1002
%_SIL3
PFH
1001
PFH
1001
%_SIL2
PFH
1002
PFH
1002%
_SIL3
16 weeks TI
5.1x10
-5
0.5%
2.3x10
-6
0.2%
2.1x10
-8
1/
h
2.1%
1.1x10
-9
1/
h
1.1%
52 weeks TI
1.1x10
-4
1.1%
5.5x10
-6
0.6%
2.1x10
-8
1/
h
2.1%
1.1x10
-9
1/
h
1.1%
