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South Industrial Concentration Zone, Dadong Town, Lianshui County, Huai'an City
Jiangsu Zhongliang Instrument Co., Ltd
South Industrial Concentration Zone, Dadong Town, Lianshui County, Huai'an City
Measurement medium: Conductive liquids such as sewage, chemical solutions, and tap water. Range: 0.1-15m/s. Output signal: 4-20mA (load resistance: 0-750 Ω). Pulse/frequency accuracy level: 0.5, 1.0. Medium temperature: -20~+160 ℃. Explosion proof level: Exd [ib] q Ⅱ CT6 Gb. Protection level: IP67, specially customized up to IP68
Small flow rate with high precision, with a lower limit of up to 0.03m/s;
The sensor housing is all made of precision aluminum molds, with beautiful appearance, strong consistency in appearance, tight fit, no welding as a whole, fast loading and unloading, and easy maintenance;
Humanized bottom support design, stable placement;
Thickened lining, curved electrode, with good corrosion resistance and wear resistance, and stronger adaptability to mixed media;
The measuring tube has no flow blocking components, no pressure loss, and low requirements for straight pipe sections. Adaptability to slurry measurement;
Adopting a 16 bit embedded microprocessor, it has fast computing speed, high accuracy, programmable low-frequency rectangular wave magnetization, improved stability of flow measurement, and low power consumption;
Adopting SMD devices and surface mount technology, the circuit reliability is high;
On site, the range can be modified online according to the actual needs of the user to better match with the collection terminal;
The measurement results are independent of physical parameters such as fluid pressure, temperature, density, viscosity, etc;
■ Equipped with digital communication signal outputs such as RS485, RS232, Hart, and Modbus (optional);
■ It has self checking, self diagnosis, self diagnosis, and alarm functions;
There are three integrators inside that can display the forward cumulative amount, reverse cumulative amount, and difference cumulative amount respectively. There is also a power-off clock inside that can record 16 power-off times (optional);
Ultra low EMI switching power supply, suitable for a wide range of power supply voltage changes, with good EMI resistance performance.
| project | Tongyou Brand | other brands |
| traffic lower limit | 0.03m/s (ensuring linear accuracy) | 0.3m/s (ensuring linear accuracy) |
| response time | 100ms | ≥3S |
| Strong stable current function | have | Nothing |
| Execution standards | Electromagnetic flowmeter (JB/T 9248-2015) |
| Nominal meridian (mm) (Special specifications can be customized) | Pipeline type PTFE lining: DN15-DN2000 |
| Pipeline rubber lining: DN65-DN2000 | |
| Pipeline F46 lining: DN4-DN600 | |
| Flow direction | Positive, negative, net traffic |
| Range ratio | 150:1 |
| Repetitive error | ± 0.1% of the measured value |
| Accuracy level | Level 0.5, Level 1.0 |
| Temperature of the measured medium | Conventional rubber lining: -20~+60 ℃ |
| High temperature rubber lining: -20~+90 ℃ | |
| PTFE lining: -30 to+120 ℃ | |
| High temperature PTFE lining: -20 to+160 ℃ | |
| Rated working pressure (high pressure can be customized) | DN15~DN25≤4.0MPa |
| DN32~DN300≤1.6MPa | |
| DN350~DN800≤1.0MPa | |
| DN800~DN2000≤0.6MPa | |
| Flow velocity range | 0.1-15m/s |
| Conductivity range | The conductivity of the measured fluid is ≥ 20 μ s/cm |
| Signal output | 4-20mA (load resistance 0-750 Ω), pulse/frequency |
| Communication output | RS485, MODBUS protocol, GPRS output |
| Power supply | 220VAC, Allowable deviation of 15% or 24VDC, ripple ≤ 5% |
| Require the length of the straight pipe section | Upstream ≥ 5DN, downstream ≥ 2DN |
| Connection method | The flowmeter and piping are connected by flanges, which comply with the international standard GB/T9119-2000 |
| Protection level | IP67, Specially customized up to IP68 |
| Environmental temperature | -25~+60℃ |
| Relative humidity | 5%~95% |
| Total power consumption | Less than 7.5W |