Operating manual GPD 3000
Unit ppm, Vol.%
Unless mentioned otherwise, the following units refer to methane (CH
4
).
Liquefied petroleum gas usually consists of more than 90% methane.
The unit ppm refers to volume:
1 ppm = 1 cm
3
100% gas distributed in 1 m3 of surrounding air
10 ppm = 10 cm
3
100% gas distributed in 1 m3 of surrounding air
The unit Vol.%:
0,1 Vol.% = 1 dm
3
100% gas distributed in 1 m3 of surrounding air
1 Vol.% = 10 dm
3
100% gas distributed in 1 m3 of surrounding air
Conversion factors:
0,01
= 10
= 0,00001
= 1/100
0,1
= 100
= 0,0001
= 1/10
1
= 1.000
= 0,001
= 1
10
= 10.000
= 0,01
= 10
100
= 100.000
= 0,1
= 100
1000
= 1.000.000
= 1
= 1000
1
=
0,0001
=
1 cm³
10
=
0,001
=
10 cm³
100
=
0,01
=
100 cm³
1.000
=
0,1
=
1 dm³
10.000
=
1
=
10 dm³
100.000
=
10
=
100 dm³
1.000.000
=
100
=
1 m³
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