Vane Wheel Flow Sensors TS90/80 ________________________________________________________________________________________________ Probe in optimised design for measurement of flow even at very low velocities and also in demanding oncoming flow conditions probe: line of sight in flow direction Measurable variable • actual flow velocity v [m/s] in air/gases Measuring ranges • 0.15 m/s up to 5 m/s • 0.25 m/s up to 20 m/s • 0.40 m/s up to 50 m/s Functional principle • vane wheel flow sensor • scanning the vane wheel rotation; non-contact inductive proximity switch Design • probe with T-head and direct cable outlet Medium • air, clean gases or gas mixtures Advantages • low sensitivity to indirect oncoming flow • low pressure drop thanks to flow-optimised design • very low starting value • corrosion resistant • working temperature range up to +125 °C • operates to a large extent irrespective of gas density and composition • extendable • turndown ratio up to 1 : 125 • optional application in category 2 (zone 1) Humidity in the gas • relative gas humidity of less than 100 % does not affect the measurement uncertainty in any way probe: side view Range and examples of application • measuring flow velocity e.g. of air • vehicle wind tunnel tests • measuring air flow patterns of components in aircraft • measurements at workplaces • measurements in vehicle interior • measurements on ventilation and air conditioning systems • net measurements on large inlets and outlets • aerodynamic investigations • measurement of laminarflow • air stream fan Particles in the medium • can cause restri

Vane Wheel Flow Sensors TS90/80 ________________________________________________________________________________________________ Model designation (example) TS 90/80 G (1) (2) (3) Basic types Type Measuring range (1) Sensor type Vane wheel flow sensor with T-head TS : T-probe (2) Sensor dimensions (see drawing ZG1, page 1) Type Sensor head Sensor head diameter length A B [mm] [mm] ... 90/80 ... Sensor length L (w/o end piece) [mm] 225 Ingress protection cable outlet Sensor design … G … (5) Materials in contact with the medium Design Material ... ZnAl ... zinc alloy, stainless steel shaft, aluminium...

Vane Wheel Flow Sensors TS90/80 ________________________________________________________________________________________________ (5) Measuring ranges / Calibration / Measurement uncertainty (cont.) with a gas density of approx. 1.2 kg/m³, see Basic types, Page 2 DAkkS Calibration Description 6 calibration values in the measuring range up to 40 m/s 6 calibration values in the measuring range up to 70 m/s DAkkS calibration certificate (mandatory) Measurement uncertainty < 0.9 % of measured value + 0.25 % of terminal value with linearisation of characteristics (pairs of values, see doc. U183) ±(0.05...

Vane Wheel Flow Sensors TS90/80 ________________________________________________________________________________________________ Option 'Ex-protection' type of protection CE II 3 G Ex ec IIC T6 Gc X gas-Ex: category 3G (zone 2) CE II 3 D Ex tc IIIC TX Dc X dust-Ex: category 3D (zone 22) CE II 2 G Ex ia IIC T6 Gb gas-Ex: category 2G (zone 1) in conjunction with evaluation unit in conjunction with evaluation unit only in conjunction with: - isolation-/supply unit LDX2 and 'non-Ex evaluation unit' or - ATEX-conform, separate evaluation unit with v/FA-Ex input Evaluation unit connection for unit...

Vane Wheel Flow Sensors TS90/80 ________________________________________________________________________________________________ Sensitivity to indirect oncoming flow of TS sensors exemplary at the example with measurement range terminal value 40 m/s Höntzsch GmbH & Co. KG Gottlieb-Daimler-Straße 37 D-71334 Waiblingen Telefon +49 7151 / 17 16-0 E-Mail [email protected] Internet www.hoentzsch.com