Active Member
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[China]
Contact name:Summer Nan
Xi'an Shelok Instruments Technology Co., Ltd. |
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Description
Intelligent electromagnetic flowmeter consists of two parts, the sensor and converter. It is based on the work of Faraday's law of electromagnetic induction, used to measure the conductivity is greater than 5μS / cm conductive liquid volumetric flow rate, is a measure of the volume flow of conductive medium for induction meter. In addition to measure the volume flow of conductive liquid, it can also be used to measure the volume of a homogeneous liquid-solid two-phase flow of a liquid suspension of acid and alkali and other strong corrosive liquids and slurries, pulp and paper pulp. Widely used in flow measurement of petroleum, chemical, metallurgy, textile, paper, environmental protection, food and other industrial and municipal administration, water conservancy construction, river dredging and other fields.
Detailed Images
Specification
| Hot Sell Cheap Price Easy Assemble Type Liquid Water Flow Meters | |
| Nominal Diameter(mm) | pipeline tetrafluoroethylenelining:DN10~DN2600 Pipeline rubber lining:DN40~DN2600 |
| Flow direction | positive and negative, the net flow |
| Turndown ratio | 1500:1 |
| Repeatability error | ± 0.1% of measured value |
| Accuracy | Pipeline:0.5,1.0 |
| Measured medium temperature | ordinary rubber lining:-20℃ ~ +60℃ |
| High-temperature rubber lining | -20℃ ~ +90℃ |
| PTFE lining | -30℃ ~ +100℃ |
| High temperature tetrafluoroethylene lining | -20℃ ~ +180℃ |
| Rated working pressure | DN6-DN80:≤2.5MPa DN100-DN250:≤1.6MPa DN300-DN2600:≤1.0MPa |
| Flow rate range | 0.1-15m/s |
| Conductivity range | the measured fluid conductivity≥5μs/cm |
| Current output | load resistance( 0~10mA:0~1.5kΩ 4~20mA:0~750 kΩ ) |
| Digital frequency output | transistor output frequency limit can be set with optical isolation within 1 ~ 5000HZ bidirectional open-collector output. External power supply is turned ≤35V maximum collector current of 250mA |
| Power Supply | 220V AC or 24V DC |
| Length of straight pipe requirements | upstream≥5DN,downstream≥2DN |
| Connection | are used between the meter and piping flange connection, flange dimensions shall comply with the provisions of GB11988 |
| Explosion levels | mdIIBT4 |
| Protection class | IP65,special order up to IP68 |
| Ambient temperature | -25℃ ~ +60℃ |
| Relative humidity | 5% ~ 95% |
| Total power consumption | less than 20W |
Lining Material
| Lining material | corrosion resistance | Working temperature | Application |
| Ne | General resistance to low concentrations of acid salt corrosion | -20℃ ~ 70℃ | lower industrial water effluent pH and salt concentration |
| PO | Has an excellent wear resistance, abrasion resistance slurry dedicated to strong, not decay | -10℃ ~ 60℃ | Liquids containing solid particles (slurry pulp, etc.) |
| FEP | 1 corrosion resistant and quite PTFE 2 high mechanical strength, good wear resistance 3 table smooth, easy adhesion precipitate 4 have strong abrasive media fluid good resistance to outside negative, anti-vacuum effect | -40℃ ~ 180℃ | except mortar. Like with PTFE can be used for drinks and other health requirements of the media |
| PTFE | Almost all of the corrosion resistant chemical media, poor wear resistance | -40℃~180℃ | Not be used for pipes and wear strong negative fluid |
Electrode Materials
Features
Fully digital processing, anti-interference ability, reliable measurement, high accuracy flow measurement range up to 1500: 1
Ultra-Low EMI switching power supply for supply voltage variation range, anti-EMI performance.
16-bit embedded microprocessors, computing speed, high precision, programmable low-frequency square wave excitation frequency and improve the stability of the flow measurement, low power consumption.
Using SMD devices and surface mount (SMT) technology, circuit reliability.
No moving parts inside the pipe l, unimpeded flow of parts, measuring almost no additional pressure loss.
Range in the field can be modified online according to the actual needs.
Measurements and velocity distribution, the physical parameters of the fluid pressure, temperature, density, viscosity and the like.
High-resolution backlit LCD display, full Chinese menu, easy to use, simple to operate, easy to understand.
Have RS485, RS232, Hart, and Modbus and other digital communication signal output. (Optional)
Self-test and self-assertion.
Total hourly recording function to record the total flow in units of hours for hourly metering system (optional)
Three internal totalizer can show the cumulative amount of forward and reverse cumulative amount of the difference between the volume totalizer, the internal power-down features not always, can record 16 power-down times. (Optional)
IR handheld operator, 115KHZ communication speed, long-distance non-contact operation of all functions converter (optional)
Range table
Selection Guide
Example:local display type electromagnetic flowmeter sewage pipes for user DN50, require rubber lining, stainless steel electrodes, 4 ~ 20mA output, no communication, limit the flow of 30m3 / h. Models should be: LDG-50S-M1X100-30
