IMR® 2800
39
IMR Environmental Equipment, Inc.
3.5.8.8 Switch Gas 1 / Gas 2 (if equipped)
The seventh and eight gas sensor can be access by selecting the appropriate Switch option
from the Organization menu.
===Organization===
Switch Gas 1 / Gas 2
Move the arrow selector up or down ("^","v") to select
Switch Gas 1 / Gas 2
Confirm the change by pressing the "→" button.
The system will immediately change from Gas 1 to Gas 2
3.5.9 Soot detection (if equipped)
The pump is turned off and the soot filter paper has to be inserted into the slot of the gas
sampling probe handle. Push the back of the handle to open the slot.
Three soot measurements are needed for an accurate measurement.
During each measurement the pump will draw 1.63 l/min according to the regulations.
===Soot detection===
insert paper
Confirm
Pressing the "
" button starts the soot measurement.
===Soot detection===
Quit
60 seconds
The analyzer starts to countdown the seconds for the needed
volume of 1.63l per minute.
Pressing the "
" button quits the soot measurement
===Soot detection===
Soot detection done.
Confirm
The soot measurement is done after 60 seconds.
Press the "
" button to return to the measurement menu.
After three samples are taken compare the soot spots on the filter paper with the comparison
scale to get the soot number for each spot.
The mean value of these three soot numbers is the measured soot number.
3.5.10 Recalibration
The analyzer turns off and starts a new calibration cycle of 3 minutes.
Make sure that the gas-sampling probe is out of the stack and in ambient atmosphere.
