MSA 47K Series, Руководство по эксплуатации

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APPENDIX MSA
48
Series 47K Gas Detector [SIL 2]
11.1.2 47K-HT
Relative response factors of tested gases with reference to Propane.
These values are only valid for new sensors and, unless otherwise stated, refer to
an ambient temperature of 110 °C. In this case the displayed values may vary by
up to ±20% from the target gas concentration.
Sample gas 100% LEL
in vol% Propane relative
response factor Response
time [secs]
t
50
*)
Response
time [secs]
t
90
*)]
Propane 1.7 1.0 ≤ 6 ≤ 12
2-Butanon 1.8 1.09 ≤ 5 ≤ 12
Acetone 2.5 0.92 ≤ 4 ≤ 11
Ethanol 3.1 0.82 ≤ 4 ≤ 10
Ethyl acetate 2.2 1.11 ≤ 6 ≤ 12
Toluol 1.1 1.32 ≤ 6 ≤ 12
*) Response times are with a flow through adapter and a gas flow of 1 l/min