RKI Instruments Eagle Series - Manual (Page 36)

Diffusion Eagle Instruction Manual Setup Mode • 31
3. Press the POWER/ENTER button to enter the displayed character. The
next character flashes.
4. Repeat steps 2 and 3 to enter the remaining characters. When you enter
the last character, the prompt flashes.
Updating the full-scale PPM setting
CAUTION: The full-scale PPM setting must correspond to 100% LEL
for the target gas in order for the Eagle to display
accurate PPM readings for the combustible gas channel.
1. Press the SHIFT/ ▼ button to place the prompt in the second line, then
press the POWER/ENTER button to update the full-scale setting. The
full-scale setting flashes.
The maximum full-scale setting for the combustible gas channel is
50,000 PPM; the minimum setting is 1000 ppm. The default setting is
50,000 ppm.
2. Press the AIR/ ▲ and SHIFT/ ▼ buttons to display the desired full-scale
setting (see Table 5), then press the POWER/ENTER button to enter the
setting. The prompt flashes.
Table 5: full-scale PPM Readings
Equivalent to 100% LEL
Target Gas full-scale Setting
Methane (CH
4
) 50,000 ppm
Hexane 11,000 ppm
Hydrogen 40,000 ppm
Pentane 15,000 ppm
Styrene 9,000 ppm
IPA 20,000 ppm
Isobutane 18,000 ppm
Propane 21,000 ppm
Propylene 20,000 ppm
Toluene 11,000 ppm
Ethane 30,000 ppm
Ethanol 33,000 ppm
Benzene 12,000 ppm