Ecom J2KN Operation Manual page 10

2.12 Adjustments -
The J2KN is capable of calculating emission values by changing certain options via the ECOM
J2KN's Adjustments menu. Press the
the Adjustments menu, then move the cursor to the relevant position and press Enter.
The following settings are possible:
Unit
Ref. O2
Allows user to make adjustments to the calculated and measured values
User-selectable units of measure:
ppm = volume concentration (parts per million)
mg/m = mass concentration per volume
3
mg/kWh = mass per unit of power – O2 correctable
mg/MJ = mass per unit of heat – O2 correctable
*** FOR CALCULATION OF PPM VALUES CORRECTED TO SPECIFIC
OXYGEN CONCENTRATIONS< SELECT THE FOLLWING SCREEN:
Calculation of gas concentration using reference oxygen. Activating Ref. O2
will correct toxic gas values (CO, NO, NO
boilers & 15% on reciprocating engines / turbines, is common for reporting
purposes) input through the screen below. Simply enter the value and return to
main measurement screen. Displayed values will be corrected to the desired
O2 concentration. Formula for calculation:
E ref = E meas* (21- O
21 – O
key when in the normal measurement mode to access
) to a theoretical O
2
ref)___
2
meas
2
level (i.e., 3% on
2