Vane-wheel flow sensor as insertion probe Höntzsch

initial smallest measurable flow rate dependent on type of vane wheel:
in gases 0.2...1.6 m/s; in liquids 0.01...0.1 m/s

terminal flow rate dependent on type of vane wheel:
in gases 3 m/s; 20 m/s; 40 m/s; 80 m/s;120 m/s;
in liquids: 3 m/s; 7.5 m/s; 10 m/s; condition: no cavitation

probe diameter:
16 mm; 25 mm; 25/27 mm and 30 mm

working temperature range:
up to 100° C; 260 °C; 370 °C; 450 °C and 500 °C

maximum working pressure:
up to 10 bar overpressure (higher on demand)

explosion-proof type of protection:
Category 1G, 1D (Zone 0, Zone 20); Category 2G, 2D (Zone 1, Zone 21)

probe tube material:
aluminium, stainless steel, titanium

optional incl. direction indication
optional incl. integr. temperature measurement
special designs on request

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Compact units for use in Ex-applications:

for gas: Ex II 1/2 G Ex d e [ia] IIC T6 and
for dust: Ex II 1/2 D Ex iaD20/tDA21 IP6x TX
sensor for use in category 1 (Ex-zone 0 rsp. 20)
transducer housing for use in category 2 (Ex-zone 1 rsp. 21)
probe with diameter 25 mm in different lengths between 250 mm and 650 mm

initial smallest measurable flow rate:
in gases 0.3 m/s; in liquids 0.03 m/s

terminal flow rate:
in gases 20 m/s; 40 m/s; 80 m/s; 120 m/s
in liquids: 7,5 m/s; 10 m/s;
condition: no cavitation

working temperature range:
up to 100 °C; 260 °C; 370 °C und 500 °C