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Holykell 24GHz wireless radar sensor of speed and flow for urban water supply

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  • Shipping Timeframes: All orders are processed within 2-5 business days (excluding weekends and holidays). After your order has been processed, the estimated delivery time is before 27 Feb, 2026, depending on customs, Please note that due to high demand, some items may experience longer shipping times, which will be communicated at order confirmation email.
  • Order Processing Time: Please allow 2-5 business days for us to process your order before it is shipped . Orders placed after 16:00 on Fridays, or during weekends and public holidays, will begin processing on the next business day. Processing times may be extended during peak seasons or sales events.
  • Manufacturing Time: Some products needs manufacturing time, the manufacturing process will take approximately 10-30 business days depending on the product. This timeframe may vary depending on the complexity of the product and current demand. but this will be communicated with you during order confirmation.
  • Returns and Exchanges: We offer a 30-day return policy for most items. If you are not completely satisfied with your purchase, you may return it within 30 days of receipt for a refund or exchange. Items must be unused, in their original packaging, and accompanied by proof of purchase. Return shipping costs are the responsibility of the customer, unless the item was damaged or defective upon arrival.
1. What is the operating temperature range for the Holykell HRF-600 radar sensor?

The operating temperature range for the Holykell HRF-600 radar sensor is -30 to 80 degrees Celsius.

2. How does the HRF-600 measure flow and water level?

The HRF-600 uses advanced K-band planar radar technology to measure flow velocity and water level in a non-contact manner.

3. What types of data transmission are supported by the HRF-600?

The HRF-600 supports digital transmission via RS485/RS232 and analog transmission via 4-20mA. It can also utilize wireless data transmission through NB-IOT or Lora technology.

4. Can the HRF-600 be used in rainy conditions?

Yes, the HRF-600 is designed to operate in various environmental conditions including rainy days.

5. What is the maximum measuring range of the radar sensor?

The maximum measuring range of the radar sensor is 40 meters.

6. Is the HRF-600 suitable for measuring flow in different types of channels?

Yes, the HRF-600 is suitable for multiple cross-section shapes such as trapezoid, circular, and U-shaped.

7. What is the measurement accuracy of the velocity measurement system?

The velocity measurement accuracy of the HRF-600 is ±0.01 m/s; ±1% FS.

8. Do I need to perform maintenance on the HRF-600, and how often?

The HRF-600 is designed for low maintenance. However, periodic checks and calibrations are recommended to ensure accurate measurements.

9. Can the parameters of the HRF-600 be adjusted remotely?

Yes, the HRF-600-R version supports remote parameter adjustment via Bluetooth and mobile phone for configuration and maintenance.

10. What are the power requirements for the HRF-600?

The HRF-600 operates on a voltage range of 7-32VDC, with a working current of less than 150mA in operating mode.

11. How does the radar sensor handle environmental factors like wind or debris?

The HRF-600 is designed for non-contact measurement, which means it is not affected by environmental factors such as wind, temperature, haze, sediment, or floating objects.

12. What applications is the Holykell HRF-600 suitable for?

The HRF-600 is suitable for flow rate, water level measurement in rivers, lakes, urban water supply, sewage monitoring, and other hydrological applications.

13. What are the dimensions and installation requirements for the HRF-600?

The HRF-600 can be installed on the side or top of a river or channel, and the installation method can be adjusted according to the specific site conditions.

14. How is the HRF-600 powered?

The HRF-600 can be powered by a DC supply within the range of 7-32V, making it flexible for various installations.

15. What is the IP rating of the HRF-600?

The Holykell HRF-600 has an IP68 rating, indicating it is dust-tight and can withstand being submerged in water.

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