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RS485 Insurstial Waste Water Treatment Electromagnetic Flow Meter Water Milk Beer Drink Water Flow Meter
Introduction
Electromagnetic flow meter can realize local indication and output
electrical current signal of 4-20mA which can be used to record,
adjust and control. Electromagnetic flow meters are widely used in
industrial sectors such as chemical industry, environmental
protection, metallurgy, pharmaceutical, paper making, water supply
and removal etc.
Besides measuring flow of general conductive liquid electromagnetic
flow meter can measure flow of liquid-solid mixed fluid,
high-viscosity fluid and salt, strong acid and strong alkali.
Features
1. Simple structures, firm, no movable parts and long operation life.
2. No intercepting fluid parts, no pressure loss and fluid clogging.
3. No mechanical inertia, quick response and good stability, application in automatic examination, adjustment & controlling.
4. Measuring accuracy not influenced by physical parameters such as style, temperature, viscosity, density and pressure.
6. Supply many styles of flow meters such as inline type and insertion type, etc.Adopt EEPROM memory to measure operation data, safe and reliable protection of memory.
7. High pressure sensor with PFA liner is resistant to high pressure and negative pressure, and available to chemistry and corrosive solution.
8. It is applicable not only to general process, but also in tough applications such as mining, papermaking, pastry, etc.
Parameters
| Main power | AC220V 50HZ / DC24V | |
| Power consumption | <15W (And set with sensor supporting power consumption ) | |
| Display and push buttons | The big screen LCD display with back lighting can display the instantaneous flow ,total flow and percentage of flow as well as alarm display ,four thin-film touch nubs ,which is used to data set . | |
| Accumulator | Forward total quantity ,reverse total quantity | |
Output signal |
Analog output | Bi-direction with two ways ,Isolation 0-10mA/4-20mA |
| Load resistor:0-10Ma;0-1.5KΩ;4-20Ma;0-750Ω | ||
| Frequency output | Forward & reverse flow output with frequency range set between 1-5000Hz.The external voltage must be lower than 35V and the max output and the max output current is 50Ma when the transistor is turned on | |
Alarm output | Two outputs from the collectors of photoelectric isolate transistors are for alarm signals .The external voltage must be lower than 35V and the max output current is 250Ma when the transistor is turned on.Alarm status:Activates when the measured pipes are empty ,the excitation circuits are broken or the volume of flow rate exceeds the value designed limits. | |
Pulse output | For pulse output in forward and reverse flow measurement ,upper frequency of pulse output can be up to 5000 CP/S relevant value of pulse is from 0.0001 to 1.0 M3/P .The width of pulse can be set to 20ms or squired wave from automatically.The collector of transistor with photoelectric is open circuited.The external voltage must be lower than 35 V and maximum output current is 250Ma when the transistor is turned on . | |
| Accuracy | ±0.5% of the value displayed ,±0.3% or ±0.2% are selectable. | |
| Damping time constant | Continuous variable from 0-100 s (90%)can be selected by group | |
| Communication | RS232 ,RS485 or HART Communication are selectable ,with lighting resistance | |
| Power failure | An anti-failure clock is designed in the flow meter which can save the power failure records for 16 times (10 years) | |
| Protection class | IP65 | |
| Ex-proof Mark | Exd IIBT4 | |
Electrode Material
| Item | Suitable medium |
| SS316L | Living water; wastewater; Corrovise water and Mud, etc; |
| Hastelloy B | Non-oxidizing acids at concentrations less than 10%; NAOH Concentrations less than 50% |
| Hastelloy C | Mixed Acid and Oxidizing salts |
| Titanium | Salt and weak acid ;Not application; hydrochloric acid, nitric acid and other reducing acids |
| Tantalum | hydrochloric acid(<40%);Sulfuric acid and Other oxidizing acids |
| Plantinum | Almost all acid-base salt solution But not application for aqua regia, except ammonium salt |
| Tungsten carbide | Pulp ;sewage ;slurry |
Model selection
Application
