RKI Instruments GX-2012 Manual - Manual (Page 41)

GX-2012 Operator’s Manual Measuring Mode, Normal Operation • 33
you are detecting pentane and the display reads 10% LEL on the combustible
gas channel, you actually have 10% LEL x 1.35 = 13.5% LEL pentane
present.
Snap Log Mode
The snap logging function in Snap Log Mode allows the user to record data at
a specific time and have it saved to the data logger. The data is assigned a
snap log ID and is saved with the station ID that was in use when the data
was taken.
To enter Snap Log Mode and record snap log data:
1. Press and hold the (SHIFT)T button, then press and hold the AIRS
button and hold both until you hear a beep. The unit will cycle through
the following screens.
Table 3: LEL Hydrocarbon Conversions
Gas
LEL Conversion
Factor (Methane
Calibration)
Gas
LEL Conversion
Factor (Methane
Calibration)
Acetone 1.92 Iso Butane 1.56
Acetylene 2.00 MEK 1.92
Benzene 2.00 Methane 1.00
Ethane 1.25 Methanol 1.65
Ethanol 1.75 Pentane 1.35
Ethylene 1.20 Propane 1.52
Heptane 1.92 Propylene 1.33
Hexane 1.65 Toluene 2.00
Hydrogen 1.00 Xylene 0.93
IPA 2.50