Thermal Probe TA20 ... ZG8a - Höntzsch

Thermal Probe TA20 ... ZG8a

Thermal Probe TA20 ... ZG8a

Thermal Probe TA20 ... ZG8a - robust design

Thermal flow sensor in probe design with sensor shaft diameter 20 mm and transducer U10a in the connection housing. For insertion in pipes with inside diameter from 80 mm.

Sensor material: stainless steel.
Working temperature range -10 ... +240 °C.
Working pressure range up to 10 bar rel.
Time constant within 10 seconds.

Suitable for fixed measuring of standard flow velocity Nv [m/s], standard flow rate NV/t [m³/h] and standard quantity/volume NV [m³].


  • direct air/gas mass flow-proportional measurement
  • robust design
  • easy to clean
  • sterilisable


Measuring range

0.08 ... 40 / 60 m/s

Pressure resistance

up to 10 bar / 1 MPa overpressure

Media temperature

-10 ... +240 °C


air (compressed air), nitrogen,
argon, carbon dioxide, helium ...

Displayed indicators

standard flow velocity [m/s],
standard flow rate [m³/h], standard volume [m³]
Mass flow [kg / h]
Standard volume NV [m³]
Mass [kg]

IP protection type

IP65 (connection housing)

Sensor output

analog output flow 4-20 mA
relay for quantity pulse
RS232 interface