Thermal mass flow-meter Höntzsch

measuring tube inside diameter:
8 mm; 16 mm; 21.6 mm; 27.2 mm; 35.9 mm; 41.8 mm
whitworth tapered pipe thread / cutting ring tube connection (TA Di 8 mm)

initial smallest measurable flow rate:
0,04 m³/h (0,6 l/min) in Di 8 mm

terminal flow rate:
741 m³/h (12350 l/min) in Di 41.8 mm

working temperature range:
-10 °C ... 140 °C

maximum working pressure:
up to 16 bar above atmospheric

materials in contact with the medium:
stainless steel; glas; epoxy resin, Viton

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

In measuring tubes with inside diameter bigger than 8 mm the input / output section is already integrated

alternatively with / without integrated transducer

====================================================

Compact units for use in Ex-applications:

for gas: Ex II 1/2 G Ex ia/d e [ia] IIC T4 and
for dust: Ex II 1/2 D Ex iaD20/tDA21 IP6x T135°C
sensor for use in category 1 (Ex-zone 0 rsp. 20)
transducer housing for use in category 2 (Ex-zone 1 rsp. 21)

measuring tube inside diameter:
8 mm; 16 mm; 21.6 mm; 27.2 mm; 35.9 mm; 41.8 mm
whitworth tapered pipe thread / cutting ring tube connection (TA Di 8 mm)

initial smallest measurable flow rate:
0,04 m³/h (0,6 l/min) in Di 8 mm

terminal flow rate:
741 m³/h (12350 l/min) in Di 41.8 mm

working temperature range:
-10° C... 60 °C; 130 °C; 140 °C (dependent on the category and the temperature class)

maximum working pressure:
up to 16 bar above atmospheric

materials in contact with the medium:
stainless steel; glas; epoxy resin, Viton