Heath Consultants EI-5 Ethane Gas Identifier - Manual (Page 10)

EI-5 Manual Rev A 7
3. Turn on the instrument using the on/off, zeroing switch on the left hand
side of the instrument.
4. Let the instrument warm up for a few minutes. This is indicated by the
graph on the display decreasing towards zero.
5. Zero the instrument using the zero potentiometer on the left side of
instrument.
6. Connect the tubing with the hydrophobic filter in-line to the probe and
the other end to the instrument port labeled Inlet.
7. Switch valve to “Sample” and the pump will draw the sample into the
instrument. Only a few seconds is required.
8. Flip the valve to time and begin timing. The first peak should show on
the graph in approximately 11 to 30 seconds and then approach the
zero point, a second peak (if the sample taken has ethane present)
should appear in 30 to 75 seconds. The second peak will be smaller
and not last as long as the first methane peak.
9. Leave the valve in the “Time” position and let the instrument clear in a
non gaseous environment.
10. Wait 30 seconds after last peak before taking another sample.
11. Remove the hydrocarbon trap and store it back in the case with the
tubing connected at both ends.
12. Turn instrument off.
Hydrocarbon Trap