Current position >About Us
1. User Manual for Wl-1a Ultrasonic Open Channel Flow Meter: [3]
The core content of the user manual for Wl-1a Ultrasonic Open Channel Flow Meter is as follows: Product Overview Wl-1a Ultrasonic Open Channel Flow Meter is a non-contact flow measurement instrument that uses ultrasonic technology to achieve real-time monitoring of fluid flow in open channels, suitable for flow measurement in sewage, irrigation water and other scenarios. The equipment has the characteristics of easy installation, simple maintenance, and high measurement accuracy, and supports multiple types of open channel weirs (such as triangular weirs, rectangular weirs, Bacher troughs, etc.). Main components: Ultrasonic sensor: emits and receives ultrasonic signals, measures liquid level height. Converter: converts sensor signals into flow data and has display and storage functions. Installation bracket: Fix the sensor above the open channel to ensure measurement stability. Connecting cables: transmitting signals between sensors and converters. Installation steps: Choose the installation location: avoid open channel bends and areas with turbulent water flow, and ensure that the sensor is facing the direction of the weir channel water flow. Fixed sensor: Use a bracket to install the sensor at 3-5 times the maximum water depth upstream of the weir, keeping it perpendicular to the liquid level. Connect the device: Connect the sensor cable to the converter to ensure a secure interface. Power on debugging: Connect the power supply and check if the device self-test is normal (the display screen lights up and there are no alarm codes). Operation method parameter setting: Input parameters such as weir type, channel width, slope, etc. through the converter panel buttons. Data viewing: Real time traffic is displayed on the converter screen, supporting historical data queries (storage period needs to be set in advance). Calibration function: Regularly use standard measuring tools (such as water level gauges) to verify measurement accuracy, and recalibrate if the deviation exceeds ± 2%. Common faults and solutions Fault 1: No display on the screen Reason: The power supply is not connected or there is an internal fault in the converter. Solution: Check the power cord connection and replace the fuse; If it still doesnt work, contact after-sales maintenance. Fault 2: Large fluctuations in flow data due to dirt on the sensor surface or offset installation position. Solution: Clean the sensor probe, readjust the installation angle, and secure it. Fault 3: The measurement value is significantly low. The reason is that the weir parameters are set incorrectly or the liquid level sensor is damaged. Solution: Verify the type and size parameters of the weir groove, replace the sensor for testing. Maintenance and upkeep: Daily cleaning: Wipe the sensor surface with a soft cloth every month to avoid dust accumulation affecting signal reception. Moisture proof treatment: When not in use for a long time, store the equipment in a dry environment to avoid moisture and short circuits in the circuit. Regular calibration: sent to the metrology department for calibration every 12 months to ensure that the measurement is legal and compliant. Caution: It is strictly prohibited to use in thunderstorm weather or strong electromagnetic field environment to prevent equipment damage. The installation height of the sensor should be higher than the historical highest water level to avoid being subme