Indication: Filter mass increase in mg with a separating temparature of approx. 75 °C.
Measuring principle: online gravimetric weighing procedures (equivalent to 0.0 mg/m3 up to 1’000,0 mg/m3 in the exhaust gas)

Accuracy: better than ± 0.3 mg
Display: standard liters per minute
Measuring principle: differential pressure measurement
Measuring range: 4.5 Li.N./ min and 3.0 Li.N. / min.
Accuracy: better than ± 5%