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KDA flow velocity sensors are suitable for continuous measurement of slight to heavily polluted media. The wedge-shaped sensors are designed for installation on either the channel wall or the channel bottom.
Combined with transmitter types such as PCM F and OCM F the result is a complete flow measurement system.
|Measurement principle||Doppler (flow velocity)|
Piezo-resistive pressure measurement (level measurement)
|Sensor types||v-sensor with T-compensation|
v-sensor with T-compensation and h measurement (hydrostatic)
|Ex-Approval||II 2G Ex ib IIB T4 (ATEX)|
Ex ib IIB T4 Gb (IECEX)
|Operating temperature||-20 °C to +50 °C|
-20 °C to +40 °C if using the sensors in Ex Zone 1
|Storage temperature||-30 °C to +70 °C|
|Operating pressure||max. 4 bar (combi sensor with pressure cell max. 1 bar)|
|Cable lengths||10/15/20/30/50/100 m pre-configured, can be extended upon request; |
a pressure compensation element is required if cables longer than 30 m are used with sensors featuring an integrated pressure measurement cell. The compensation element can be used also to connect the extension.
|Cable types||Combi sensor with pressure measurement:: LiYC11Y 2x1.5 + 1 x 2 x 0.34 + PA 1.5/2.5|
Sensors without pressure measurement: LiYC11Y 2 x 1.5 + 1 x 2 x 0.34
|Outside cable diameter||Combi sensor with pressure measurement: 9.75 mm ±0.25 mm|
Sensors without pressure measurement: 8.4 mm ±0.25 mm
|Sensor connection||Cable end pre-configured for connection to OCM F / FR, |
cable types "K" or "L"
|Medium-contacting materials||PVDF (wedge sensor body); stainless steel 1.4571 (ground plate); Polyurethane (cable sheath, screw joint and pipe sensor head)|
Additionally for sensors with pressure measurement cell: Hastelloy© C276 (pressure cell); Viton; PA/PR (pressure cell gasket)
Optional: cable with FEP coating (sensors without pressure measurement only)
|Flow velocity measurement|
|Measurement range||-600 cm/s to +600 cm/s|
|Measurement uncertainty||±1 % of measurement range end value|
|Zero point drift||absolutely stable zero point|
|Beam angle||±5 degrees|
|Level measurement – Pressure|
|Measurement range||0 to 5 m|
|Zero point drift||max. 0.75 % of final value (0 – 50 °C)|
|Measurement uncertainty||standing medium:|
+/- 0.5 of final value
|Measurement range||-20 °C to +60 °C|
|Measurement uncertainty||±0.5 K|
Specifications subject to change.
Technical Instruction for KDA Doppler sensors (pipe and wedge style)
Kompaktdoppler-AktivsensorenKDA-K.../ KDA-R.../ KDS-K…/ KDS-R…