MSA 47K Series, Operation Manual

Page: 21 / 52

GB
MSA MAINTENANCE AND SERVICE
Series 47K Gas Detector [SIL 2]
21
Sample gas 100%
LEL
in vol% Propane relative
response factor Response
time [secs]
t
50
*)
Response
time [secs]
t
90
*)]
2-Propanol
2 1.04
1)
11 25
Propene
2 0.85
1)
8 19
Propylene oxide
1,9 1.15 ²)
Toluene
1,1 1.22
1)
15 46
Vinyl chloride
3,6 1.08 ²)
Xylenes
3)
0,9 1.47 ²)
*) Response times are with a flow through adapter and a gas flow of 1 l/min
1)
Response factor defined by DEKRA EXAM
²) Response factor defined by MSA
These are not included in the
EC-Type Examination Certificates DMT 01 ATEX G 001 X,
BVS 03 ATEX G 010 X und DMT 03 ATEX G 003 X
3)
These gases may not be used with the MSA Gasgard XL Controller, since these can
trigger pre-alarms at high ambient temperatures.