Slurry meter manual? LD mud flowmeter is a measured according to Faraday's law of electromagnetic induction tube conductive medium volume flow meter sensor, embedded microcontroller technology, digital excitation, while using CAN fieldbus on mud flow meter, is a national initiative, technology has reached domestic leading level. ? LD mud flowmeter meet live shows also can output 4 ~ 20mA current signal for recording, regulation and control, has been widely used in chemical industry, environmental protection, metallurgy, pharmaceutical, paper, water supply and drainage and other industrial technology management department. ? LD mud flow meter to measure flow of conductive liquids in addition, it can also measure the liquid-solid two-phase, high-viscosity fluid and salts, acid and alkali liquid volume flow. ?? Muddy water meter Features ◆ ?????????????????????????? simple instrument structure, reliable, no moving parts, long working life. ◆ No closure blocking components, there is no pressure loss and fluid clogging. ? ◆ no mechanical inertia, fast response, good stability, can be used in automatic detection, regulation and program control system. ? ◆ measurement accuracy is not measured media types and temperature, viscosity, density, pressure and other physical parameters of influence. ? ◆ using different combinations of Teflon or rubber material lining and Hc, Hb, 316L, Ti and other electrode materials can be adapted to the needs of different media. ? ◆ available pipeline, plug-flow models. ? ◆ using EEPROM memory, measurement data storage secure and reliable operation. ? ◆ with integration and separation of two types. ? ◆ High-resolution backlit LCD display. ?? Technical parameters ◆ Meter Accuracy: Pipeline 0.5, 1.0; Plug-in 2.5 ◆ Measurement medium: conductivity is greater than 5μS / cm of various liquid and liquid-solid two-phase?. ? ◆ flow rate range: 0.2 ~ 8m / s ◆ Working pressure:? 1.6MPa ◆ Ambient temperature:? -40 ℃ ~ + 50 ℃ ◆ medium temperature:? Teflon lined rubber ≤180 ℃ ??????? Material lining ≤65 ℃ ◆ Explosion-proof mark:? ExmibdⅡBT4 ◆ Explosion No.:? GYB01349 ◆ external magnetic interference:? ≤400A / m ◆ shell protection:? Integrated Type:? IP65 ;? separation type:?? ?? sensor IP68 (5 meters underwater, is limited to the rubber lining) converter IP65 ◆ Output signal:?? 4 ~ 20mA.DC, load resistance 0 ~ 750Ω ◆ communication output:? RS485 or CAN bus ◆ Electrical connection:? M20 × 1.5 within thread, φ10 cable hole ◆ Power supply voltage:? 90 ~ 220V.AC, 24 ± 10% V.DC ◆ Maximum power consumption:???? ≤10VA confirm instrument selection ◆ measuring range of general industrial use mud flow meter measured media the flow rate to 2 ~ 4m / s is appropriate, in exceptional circumstances, the minimum flow rate should not be less than 0.2m / s, the maximum should not exceed 8m / s. If the medium contains solid particles, the flow rate should be less than usual 3m / s, to prevent excessive friction lining and electrode; for viscous fluid, the flow rate can select more than 2m / s, the larger the flow rate on the electrode attachment helps to automatically eliminate the sticky Lag substrates, help improve the measurement accuracy. ? Q is determined in the range of the conditions, to determine the size of the diameter D of the flow meter based on the flow velocity V range, which value is calculated by the following formula: ??????? Q = πD2V / 4 Q:? Flow ( m / h) ?? D: pipe diameter ??? V:? velocity (m / h) Q muddy water meter range should be greater than the expected maximum flow rate, whereas the normal flow value slightly larger than the full scale of the meter 50% is appropriate. The main advantage of the mud flow meter as follows:? 1) mud flow meter sensor structure is simple, there are no moving parts in the measuring tube, and there is no obstruction of fluid flow restrictor parts. So it will not cause any additional pressure loss when the fluid passes through the meter, is one of the lowest energy consumption flow meter flowmeter. ? 2) Dirty measurable medium, corrosive media and suspension of liquid-solid two-phase flow. This is because the instrument in the measuring pipe unimpeded flow of parts, in contact with the fluid to be measured is measured pipe-lining and the electrode, and its material may be selected according to the nature of the measured fluid. For example, do polytrifluoroethylene or Teflon-lined, measure a variety of acid, alkali, salt and other corrosive media; do wear-resistant rubber lining, it is particularly suitable for measuring with solid particles, wear larger pulp, cement mortar phase fluids with fiber and a variety of liquid and pulp suspension body. ? 3) of muddy water volume flow meter is a measuring instrument in the measurement process, it is not measured medium temperature, viscosity, density conductivity (in a certain range) effects. So, just after the water meter mud calibration, the heart can be used to measure the flow of other conductive liquid. ? 4) output only muddy water meter and the average velocity is proportional to the measured medium, and with symmetrical distribution under flow conditions (laminar or turbulent) irrelevant. So the mud flow meter span a very wide range, the measurement range of up to 100: 1, and some even up to 1000: 1 flow range can run. ? 5) mud flowmeter no mechanical inertia, responsive, and can measure the instantaneous flow pulsation, but also measure the flow in both directions. ? 6) caliber range of industrial flowmeter mud very wide, from a few millimeters up to several meters, and the country has a diameter up to 3m of actual flow calibration equipment, laid the foundation for the application and development of muddy water meter. ????? Mud flow meter is still the main problems are as follows. ? 1) can not be used to measure gases, vapors and liquids containing a large amount of gas. ????? 2) can not be used to measure the conductivity of low liquid medium, such as petroleum products or organic solvents, and other media, the current meter mud still powerless. ? 3) general industrial use due to the limitation of muddy water meter measuring tube lining material and electrical insulating materials, can not be used to measure the temperature medium; without the special treatment, can not be used to measure the temperature medium to prevent the measuring tube junction dew (frost) damage to the insulation. ? 4) of muddy water meter outside susceptible to electromagnetic interference.