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Is there any requirement for the insertion depth when installing the Cologne ultrasonic flowmeter?

There are clear requirements for the insertion depth of the probe when installing the Cologne ultrasonic flowmeter, and it must be strictly operated according to the specifications. 1 The determination of insertion depth is mainly determined by the diameter of the pipeline, and the larger the diameter, the deeper the insertion depth. Small pipe diameters (such as below DN100) are usually inserted by a few centimeters, while large pipe diameters (such as above DN1000) may need to be inserted by more than ten centimeters or even deeper.

2. Core installation requires that the probe must reach a stable flow velocity area near the center of the pipeline to ensure that the average fluid flow velocity is captured. Insertion too shallow or too deep can cause measurement errors and even damage to the sensor. 3. Specific operating specifications vary depending on the insertion depth of different models, and the installation manual provided by the manufacturer must be strictly followed. Cologne will provide specific insertion depth values, calculation formulas, or installation positioning templates for each model. Special tools should be used for accurate positioning during installation, and signal strength and quality indicators should be used to verify whether the installation position is qualified after installation.

2. Monitoring method for flow rate and velocity in underground wells

Monitoring the flow rate and velocity in underground wells is the core link of urban drainage network management, and its data accuracy directly affects the decision-making effect of flood prevention and drainage, sewage treatment, and waterlogging warning.

1. Application technology principle of pipeline radar water level monitoring station: using a radar water level gauge with a beam angle of only 8 °, the water level height is calculated by emitting high-frequency electromagnetic waves and receiving reflected signals. Its non-contact measurement method can avoid the influence of water pollution or mechanical wear, and is suitable for complex underground environments. Functional features: Monitoring range: Stable monitoring of water level in manholes within 7 meters, reducing multipath interference from wellbore walls and metal components. Multi parameter collection: integrates data such as water level, rainfall, temperature and humidity, supports GPRS, 3G, 4G communication, and achieves multi center synchronous transmission. Storage and Alarm: The local high-capacity storage module permanently stores historical data and supports remote configuration and upgrades; Automatic alarm for water level exceeding the limit. Low power design: The lithium battery power supply system is modularly installed near the wellhead to reduce maintenance difficulty. Installation requirements: The radar water level gauge is fixed directly below the inspection well with a stainless steel L-shaped bracket and installed horizontally. Avoid interference areas such as drainage outlets and pipe bends to ensure measurement accuracy.

2. Application technology principle of ultrasonic flow monitoring station: Based on the Doppler effect, sound waves are emitted into the fluid through an ultrasonic probe, reflected waves a

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