Comparison betweenthe Enerac 500 & the Testo  327

O2                                                   Y          Y

CO                                                 Y          Y

CO2                                                Y          Y

DRAFT                                            Y           Y

NO                                                  Y          N

NO2                                                Y          N

NOX                                               Y          N

SO2                                                Y          N

COMBUSTIBLES                          Y          N

EFFICIENCY                                  Y           Y

BLUE-TOOTH                                Y           N

PRINTER                                         Y           Y

LED BACKLIGHT                        Y          Y

THERMOCOOLER                       Y          N

TEMP.                                             Y           Y

METAL CASE                                Y           N

AC/DC                                            Y           Y

INCONELPROBE                        Y           N

WARRANTY                           2 YEARS      2 YEARS