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1. How to read the glass rotor flowmeter?
The method of reading the celery number in the flow meter is to observe the position of the rotor and read the scale.
1、 Observe the position of the rotor: Stand in front of the glass rotor flowmeter, with your eyes parallel to the glass tube where the rotor is located. Observe the position of the rotor in the tube, especially at the top or maximum diameter of the rotor.
2、 Reading scale: The scale of a glass rotor flowmeter usually starts from 0 and gradually increases along the glass tube. After the rotor is stabilized, move horizontally to the left with your line of sight until you see the outline of the rotor intersecting with the scale line.
2. Glass rotor flowmeter AKB-6WB 0~60ml/min 2.5 level
Glass rotor flowmeter AKB-6WB (0~60ml/min, 2.5 level) is a cost-effective measuring instrument suitable for small flow clean media.
. 1. Product Core Information: The model of this flowmeter is AKB-6WB, with a measurement range of 0 to 60 milliliters per minute (ml/min) and an accuracy level of 2.5. It is based on the principle that the float rises and falls in a conical glass tube as the flow rate changes. It has a simple structure and intuitive readings. 2. Precision interpretation accuracy of 2.5 level means that its maximum allowable error is ± 2.5% of the full-scale value (60ml/min). Therefore, at any measurement point, the actual error will not exceed ± 1.5ml/min. This accuracy level is suitable for situations that require flow control but are not extremely demanding. It is usually used in laboratories, small production lines, or scientific research to measure and monitor the small flow of clean liquids (such as chemical reagents, water
3. What is the calibration pressure of a glass rotor flowmeter?
The calibration pressure range of a glass rotor flowmeter is usually between 0.1-1MPa, and the specific value needs to be determined according to the actual application scenario and the type of dielectric material damage.
. 1. Conventional calibration pressure range • Liquid measurement (such as water): 0.1-0.3 MPa • Gas measurement: 0.5-1 MPa 2. Special scenario pressure range • High pressure chemical pipeline: may reach several MPa • Laboratory low pressure environment: can be lower than 0.1 MPa 3. Confirmation method: directly refer to the product manual or contact the manufacturer to obtain specific model calibration parameters.4. Is there a national standard for the calibration pressure of glass rotor flow meters?
The national standard for the calibration pressure of glass rotor flow meters is based on the mechanical industry standard JB/T 9255-2015.
. 1. Core content of the standard • Definition of calibration state: During calibration, the flow rate does not take into account the absolute temperature and absolute pressure state upstream. • Standard state parameters: - Gas: 20 ℃, 101.325 kPa (or 0 ℃, 101.325 kPa) - Liquid: 20 ℃, water 2 Calibration Scale Specification • Liquid Flow: Uniformly calibrate the scale with 20 ℃ clean water. Gas flow rate: calibrated with air at 20 ℃ and 101.325 kPa. three The standard is applicable to direct reading indicator flow meters with conical tubes and rotor structures made of glass or transparent materials. four Other technical requirements and standards include complete specifications for the structu