Wireless Doppler Flowmeter SVRII

&lt;p&gt;Non-Contact&nbsp;Surface&nbsp;Velocity&nbsp;Sensor&nbsp;for&nbsp;Aquatic&nbsp;Applications&lt;/p&gt;&lt;p&gt;The&nbsp;Wireless&nbsp;Doppler&nbsp;Flowmeter&nbsp;is&nbsp;a&nbsp;compact&nbsp;handheld&nbsp;device&nbsp;designed&nbsp;for&nbsp;precise&nbsp;surface&nbsp;flow&nbsp;velocity&nbsp;measurement&nbsp;in&nbsp;aquatic&nbsp;environments.&lt;/p&gt;&lt;p&gt;As&nbsp;a&nbsp;non-contact&nbsp;measurement&nbsp;instrument,&nbsp;it&nbsp;eliminates&nbsp;physical&nbsp;contact&nbsp;with&nbsp;water&nbsp;bodies,&nbsp;ensuring&nbsp;safety&nbsp;and&nbsp;accuracy&nbsp;in&nbsp;harsh&nbsp;conditions.&lt;/p&gt;&lt;p&gt;Technical&nbsp;Principle&nbsp;Leveraging&nbsp;the&nbsp;Doppler&nbsp;effect,&nbsp;the&nbsp;system&nbsp;measures&nbsp;flow&nbsp;velocity&nbsp;through&nbsp;analyzing&nbsp;the&nbsp;frequency&nbsp;shift&nbsp;of&nbsp;emitted&nbsp;and&nbsp;received&nbsp;electromagnetic&nbsp;waves.&lt;/p&gt;&lt;p&gt;This&nbsp;Doppler-based&nbsp;approach&nbsp;enables&nbsp;real-time&nbsp;velocity&nbsp;profiling&nbsp;without&nbsp;requiring&nbsp;water&nbsp;sampling&nbsp;or&nbsp;intrusive&nbsp;probes.&lt;/p&gt;

Technical Parameter

Data Parameters

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Velocity Range: 0.2 - 18 m/s

Accuracy: ±0.03 m/s

Resolution: 0.01 m/s

Sampling Frequency: 1 time per second

Stopwatch Resolution: 0.1 seconds, in line with hydrological measurement specifications

Data Storage Capacity: Stores 10 velocity readings

Transmit Power: Standard 10mW, optional 50mW; maximum effective range up to 100 meters (standard), 100 meters (optional)

Beam Angle: 12°

Working Temperature: - 20 - 50°C

Protection Level: IP67

Power Supply: Rechargeable lithium - ion battery, normal operation for 10 hours

Dimensions: 200mm×85mm×45mm (with battery)

Weight: 1.2kg (including battery)

Automatic Averaging Function:

Quickly and accurately calculate the average velocity to meet different measurement needs.

Rainfall Shielding Function:

Effectively shield the interference of light rain on the measurement results to ensure the accuracy of velocity data.

Echo Intensity Indication:

Real - time display of the echo intensity, which helps users understand the measurement environment.

Angle Correction Function:

Automatically correct the angle to ensure the accuracy of velocity measurement in different tilt states.

Stopwatch Function:

Precise timing, meeting the requirements of hydrological measurement specifications.

Data Transmission Function:

Real - time transmission of measurement data to the software through Bluetooth for subsequent processing and analysis.