Kurz

Thermal Mass Flow Meter

Model : 454FTB-WGF, 454FTB, 410FTB
Application : Dry and Wet Gas in Dirty Environment (depending on model)
Display : Rate & Totalizer
Pipe Size : 2” ~ 36”
Turn Down Ratio : 20,000 : 1 (dry) / 2.000 : 1 (wet)
Sensor : Alloy C-276
Pressure : 10 - 20 bar
Temperature : -40 ~ 400 C
Accuracy : 1 % of Rate
Power : AC 85 ~ 265 or DC 24V
Output : 4 ~ 20 mA
Communication : Modbus, RTU, Hart
Protection : ATEX for Zone 1 & 2
Features : Highest Repeatability, Accuracy, Reliability

https://www.kurzinstruments.com/Products/Single-point-mass-flow-meters