User Manual Q&AAnswer
Jan 31, 2025 - 11:42 PM
To install the sensors for the PCE TDS 100 Ultrasonic flow meter, follow these steps:
1. Find a suitable position in the piping system: Look for a long, straight section of pipe that is completely filled with liquid and does not contain any air bubbles. Avoid pipes with synthetic liners, as they can interfere with the ultrasonic waves.
2. Prepare the pipe: Ensure that the pipe is clean and free from any dirt or debris. Grind or polish the area where you plan to place the sensors to ensure good contact.
3. Apply contact gel: Apply a sufficient amount of contact gel to the surface of the pipe where the sensors will be placed. This gel helps to ensure good acoustic coupling between the sensors and the pipe.
4. Install the sensors: Place the sensors on the pipe, ensuring that there is no air gap between the sensors and the pipe surface. Make sure the sensors are securely attached using the contact gel. Avoid placing the sensors directly on top of each other; instead, position them laterally on the pipe.
5. Adjust the spacing: The distance between the upstream and downstream sensors is critical for accurate measurements. Refer to the information in window M25 of the device to determine the recommended spacing. Adjust the sensors to achieve the desired spacing, sticking as closely as possible to the recommended value.
6. Fine-tune the spacing: To ensure accurate measurement values, adjust the spacing between the sensors until the time constant in window M90 of the device is exactly 100%. This fine adjustment helps to optimize the measurement accuracy.
7. Check signal strength and quality: Once the sensors are installed, check the signal strength (Q) and signal quality (H) values in window M01 of the device. The signal strength should be above 700, and the signal quality should be above 60 for reliable measurements.
Following these steps will help ensure proper installation of the sensors for accurate measurement with the PCE TDS 100 Ultrasonic flow meter. For more detailed information and troubleshooting tips, refer to the instruction manual provided with the device.
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