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1.gl-102b? The electronic soap film flowmeter displays lo unit when turned on! clean! What is the reason? How to handle it ..
The soap film flowmeter displays LO UNIT when turned on! CLEAN! The situation may be due to the lower limit sensor of the soap film tube being submerged in water. This situation usually leads to sensor failure or malfunction, resulting in an alarm. To solve this problem, it is possible to try drying the scattered ridges in the sensor section. The specific method is to disassemble the flowmeter and carefully inspect the lower limit sensor to confirm if there are any water stains remaining. Use a clean and tidy soft cloth or specialized desiccant for drying, avoid using sharp tools to prevent damage to the sensor. During the drying process, it is important to ensure that the sensor is completely dry and avoid contact with moisture again. After drying treatment, reassemble the flowmeter and perform a startup test. If the problem is still not resolved, it is recommended to contact professional technicians for inspection and maintenance to ensure that the flowmeter returns to normal operation. In daily use, it is necessary to pay attention to keeping the flowmeter clean and dry, and avoid the sensor part from coming into contact with moisture. Regular cleaning and inspection can effectively extend the service life of flow meters. In addition, the flowmeter should be avoided from being exposed to humid environments for a long time during use, such as laboratories or high humidity environments, to preve
2. The function of soap film flowmeter
Its accuracy is much better than the indirect judgment usually made by eye and hand stopwatch.
. By selecting probes and glass tubes with different ranges, users can achieve the measurement of gas or liquid flow rates within the range of 0.1mL/min to 50L/min. The circuit control of the single sock swimming element itself can achieve multi range conversion, thus having a wider range of applications. The instrument itself has a calibration function, and users can request on-site self calibration. The operation is convenient and reliable, and all indicators have been tested to meet the requirements.3. Calculation formula for soap film flowmeter
Q=CDA (2g Δ h/ρ) ^ (1/2). The calculation formula for soap film flowmeter is Q=CDA (2g Δ h/ρ) ^ (1/2). In the formula, Q represents the volume or mass of liquid passing through the pipeline, C is the flowmeter coefficient, D is the pipeline diameter, A is the curvature radius of the film, Δ h is the pressure difference between the inlet and the outlet, g is the gravitational acceleration, and ρ is the liquid density.