Flow Sensors

CSM Correlation Pipe Sensor

Part No. CSM-V100 R

for up to 16 bar as well as temporary flow measurements

Ultrasonic sensors for flow measurement with very high accuracy in slight to heavily polluted media. For mounting via nozzles on pipes.

[Translate to English:] Kompakter Fließgeschwindigkeitssensor für Rohre

[Translate to English:] Sehr genaues Durchflussmessverfahren

For high-accurate flow measurement of ultrasonic cross correlation method
Interference-free connection over long distances through digital signal transmission
Cables can be extended without any problems using standard cables
Absolutely stable zero point and drift-free
Measurement in heavily polluted and abrasive media
Easy installation without additional constructions and perfectly matched mounting accessories

The CSM pipe velocity sensors are suitable for continuous measurement of slight to heavily polluted media.
The pipe-shaped sensors are designed for installation in pipes from the outside using a nozzle. Combined with transmitter types such as NivuFlow 750 and an external level measurement the result is a complete flow measurement system.

Typical applications for POA pipe sensors

For temporary flow measurements
Validation of existing measurements
Wastewater treatment plants: intake, discharge, activated sludge tank intakes, return sludge, recirculation, surplus sludge, digester discharge and flocculant dosage
Direct discharge control, infiltration (extraneous water) or leakage detection
Industrial wastewater networks
and many more

Common
Measurement principle	Correlation with measurement of the real flow profile
Quantity of scan layers recorded and computed	max. 32
Measurement frequency	1 MHz
Protection	IP 68
Ex-Approval	II 2G Ex ib IIB T4 Gb (ATEX) Ex ib IIB T4 Gb (IECEx)
Operating temperature	−40 °C to +80 °C
Storage temperature	−30 °C to +70 °C
Operating pressure	max. 16 bar
Cable types	LiYC11Y 2x (2x28 AWG/7-(ST)12Y) + 4x28 AWG/7
Outside cable diameter	6,7 mm ±0,25 mm
Construction	Pipe sensor for installation using nozzle, sensor screw con-nection and fastening element in pipes
Medium-contacting materials	Polyurethane, stainless steel 1.4571, PEEK, NBR-O-Ring
Measurement range	−350 cm/s to +600 cm/s Maximum measurement range: ∆ 700 cm/s
Zero point drift	absolutely stable zero point
Error limits (per scan layer)	< 1 % of measurement value (v > 1 m/s) < 0.5 % of measurement value +5 mm/s (v < 1 m/s)
Minimum filling level	CSM-V100S: 3.0 cm CSM-V100M: 4.7 cm
Beam angle	±5 degrees
	CSM-V100S: 20° CSM-V100M: 45°

Specifications subject to change.

Technical Instructions | Correlation Sensors and external Electronic Box (Rev. 13)

download file
PDF 7 MB

Mounting Instruction | Correlation and Doppler Sensors (Rev. 09)

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PDF 4 MB

EU-Type Examination Certificate Sensor Family Mini and Transit Time Sensors

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PDF 548 KB

IECEx Certificate of Conformity Sensor Family Mini and Transit Time Sensors

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PDF 770 KB

EU Declaration of Conformity | Ultrasonic sensors CSM / SP / DSM / OCL-LM

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PDF 163 KB

EU Declaration of Conformity | "Ex" ultrasonic sensors CSM / CSP / DSM / OCL-LM

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PDF 192 KB

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