Vane wheel flow sensor ZS25
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Vane wheel flow sensor ZS25 with optional integrated transducer UFA ________________________________________________________________________________________________ Flow measurement with sensors ZS25 at working temperatures up to +500 °C optional with integrated and configurable transducer UFA Measurable variable  (actual) flow velocity v [m/s] and  (actual) flow rate [m³/h] in air/gases and water/liquids  conversion to standard velocity/standard volume flow with input parameters pressure and temperature  Measuring ranges  0.4 ... 120 m/s air/gases  0.04 … 10 m/s water/ liquids Functional principle  vane wheel flow sensor  scanning the vane rotation; non-contact inductive proximity switch Advantages  low starting value  large measuring range span  maximum fatigue strength thanks to vane wheel which is easy on the bearings  corrosion resistant  sterilisable  high working temperature and pressure ranges  accurate values even in varying and/or unknown gas compositions  low pressure drop  easy adjustment to process parameter  compact unit with optional local display Range and examples of application  flow rate measuring, e.g. of air, exhaust gas, process gas Design  monitoring flow in  insertion probe with AS80 pharmaceutic works housing  monitoring neutralisation processes Media  monitoring laminar flow  air, gas mixtures and clean  measuring in non-conductive gases liquids such as ultra pure water/liquids with viscosities up to water, for example in the 200 cSt semiconductor industry Vane wheel flow sensor ZS25 (see Page 3 for dimensions) Particles and humidity  particles may restrict the fatigue strength of the vane wheel set  relative gas humidity of less than 100 % does not affect the m

Vane wheel flow sensor ZS25 with optional integrated transducer UFA ________________________________________________________________________________________________ Model designation (example) ZS25/25 -350 GF (1) (2) (3) Basic types Type Transducer/ Outuput sep. eval. unit / v/FA sep. eval. unit / v/FA sep. eval. unit / v/FA sep. eval. unit / v/FA '260 °C'/ separate evaluation unit ZS25/25-250GFE/260/p10/ZG4 sep. eval. unit / v/FA sep. eval. unit / v/FA sep. eval. unit. / v/FA sep. eval. unit / v/FA '100 °C'/ separate evaluation unit

Vane wheel flow sensor ZS25 with optional integrated transducer UFA ________________________________________________________________________________________________ Basic types (cont.) Type Transducer/ output '370 °C'/ separate evaluation unit ZS25/25-250GFE/370/p10/ZG4 sep. eval. unit / v/FA sep. eval. unit / v/FA sep. eval. unit / v/FA sep. eval. unit / v/FA sep. eval. unit / v/FA sep. eval. unit / v/FA sep. eval. unit / v/FA sep. eval. unit / v/FA '500 °C'/ separate evaluation unit (1) Sensor type / Sensor diameter Vane wheel flow sensor ZS25 with sensor Ø 25 mm and shaft Ø 25 mm (2)...

Vane wheel flow sensor ZS25 with optional integrated transducer UFA ________________________________________________________________________________________________ (7) Option 'Ex' Type of ptrotection CE II 3 G Ex ec IIC T6 Gc X Gas-Ex: Categorie 3G (Zone 2) CE II 3 D Ex tc IIIC TX Dc X Dust-Ex: Categorie 3D (Zone 22) CE II 2 G Ex ia IIC T6 Gb Gas-Ex: Category 2G (Zone 1) (8) Design as in Drawing 4 (Page 1) dimensions only in connection with: evaluation unit only in connection with: evaluation unit Measuring range / vane wheel type Measuring range Measuring range air/gases* water/liquids**...

Vane wheel flow sensor ZS25 with optional integrated transducer UFA ________________________________________________________________________________________________ Accessories Description probe guide piece SFB 25 E-70 / F-DN50 PN16 ZG1 for max. +550 °C as in drawing 1 for any repeated positioning with lower pressures above atmospheric (max. 2 bar / 200 kPa) / subatmospheric pressures, working temperature range -40 ... +550°C, through hole 25 mm, to single ended flange nipples or ball valve with flange, probe attachment by clamping bush, materials: stainless steel, graphite, flange DN50...

Vane wheel flow sensor ZS25 with optional integrated transducer UFA ________________________________________________________________________________________________ Transducer UFA-int, integrated in the sensor connection housing analog output/resistance 4 ... 20 mA = 0 ... ___ m/s, resistance max. 400 Ohm output 'limit value' or Open Collector / max. 50 mA / max. 27 V DC, 'quantity pulse' pulse duration 0.5 s PC interface RS232 output signals electrically isolated from the power supply self-monitoring parameter settings, sensor interface; in case of error: analog output less than 3.6 mA...