sewerin EX-TEC PM 4, Operating Instructions Manual

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79
Appendix
Setting ranges for test gases
Gas type Test gas ppm Test gas% LEL
Methane (CH
4
)
Setting range
1.00 % vol. or
2.20 % vol.
1.75 to 3.50 % vol
(40 to 80 % LEL)
Increment –
0.05 % vol.
(1 % LEL)
Propane (C
3
H
8
)
Setting range 0.20 to 1.00 % vol. 0.34 to 1.36 % vol
(40 to 80 % LEL)
Increment 0.01 % vol.
0.02 % vol.
(1 % LEL)
Butane (C
4
H
10
)
Important:
replacement
test gas
propane (C
3
H
8
)
Setting range 0.20 to 1.00 % vol. 0.56 to 1.12 % vol
(40 to 80 % LEL)
Increment 0.01 % vol. 0.02 % vol.
Hexane (C
6
H
14
)
Important:
replacement
test gas
propane (C
3
H
8
)
Setting range 0.12 to 0.60 % vol. 0.40 to 0.80 % vol
(40 to 80 % LEL)
Increment 0.01 % vol. 0.01 % vol.
Nonane (C
9
H
20
)
Important:
replacement
test gas
propane (C
3
H
8
)
Setting range 0.07 to 0.35 % vol. 0.14 to 0.56 % vol
(20 to 80 % LEL)
Increment 0.01 % vol. 0.02 % vol.
Kerosene
(JFUEL)
Important:
replacement
test gas
propane (C
3
H
8
)
Setting range 0.07 to 0.35 % vol. 0.07 to 0.56 % vol
(10 to 80 % LEL)
Increment 0.01 % vol. 0.02 % vol.
Hydrogen (H
2
)
Setting range 0.20 to 1.00 % vol. 1.60 to 3.20 % vol
(40 to 80 % LEL)
Increment 0.01 % vol. 0.04 % vol.
Acetylene
(C
2
H
2
)
Setting range –
0.92 to 1.84 % vol
(40 to 80 % LEL)
Increment – 0.01 % vol.