Xi 'an Qinwei Instrument Factory (General Partnership Enterprise)
| Operating Pressure | Up to 4 MPa |
| Output Signal | 4-20mA, Pulse, Modbus, HART |
| Type | Magnetic Flow Meter |
| Payment Terms | L/C,D/A,D/P,T/T |
| Supply Ability | 100PCS/Month |
| Delivery Time | 5-8 work days |
| Packaging Details | Carton |
| Relative Humidity | 5%~95% |
| Frequency Output | 1-5000Hz |
| Electrode Material | SUS316L/HB/HC/Titanium/Tantalu |
| Pressure Type | Differential Pressure |
| Protection | IP65 ; IP 68(Remote Type) |
| Electrodematerial | 316L Stainless Steel, Hastelloy, Titanium |
| Name | Electromagnetic Flowmeter |
| Brand Name | QINWEIYB |
| Model Number | QWDC-SUP117 |
| Certification | Explosion-proof certificate |
| Place of Origin | China |
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Product Specification
| Operating Pressure | Up to 4 MPa | Output Signal | 4-20mA, Pulse, Modbus, HART |
| Type | Magnetic Flow Meter | Payment Terms | L/C,D/A,D/P,T/T |
| Supply Ability | 100PCS/Month | Delivery Time | 5-8 work days |
| Packaging Details | Carton | Relative Humidity | 5%~95% |
| Frequency Output | 1-5000Hz | Electrode Material | SUS316L/HB/HC/Titanium/Tantalu |
| Pressure Type | Differential Pressure | Protection | IP65 ; IP 68(Remote Type) |
| Electrodematerial | 316L Stainless Steel, Hastelloy, Titanium | Name | Electromagnetic Flowmeter |
| Brand Name | QINWEIYB | Model Number | QWDC-SUP117 |
| Certification | Explosion-proof certificate | Place of Origin | China |
| High Light | DC Electromagnetic Flowmeter ，Electromagnetic Flowmeter IP65 ，Electromagnetic Flowmeter IP68 | ||
Applicable Liquid Metal Signal-Stabilized DC Electromagnetic Flowmeter
DC electromagnetic flowmeter refers to an electromagnetic flowmeter that excites the excitation coil with a constant DC current or a unidirectional pulse current.
| Characteristics | (Pure) DC excitation flowmeter | Modern low-frequency rectangular wave excitation flowmeter |
|---|---|---|
| Excitation waveform | Constant DC or unidirectional long pulse. | Alternating positive and negative rectangular waves (typical frequencies such as 6.25Hz, 12.5Hz). |
| Applicable medium | Non-electrolyte: mainly liquid metals. | Electrolyte: water, acid, alkali, slurry, and all conventional conductive fluids. |
| Polarization effect | No effect on liquid metals. | Effective elimination of polarization voltage influence through rapid magnetic field reversal. |
| Zero stability | Poor, complex compensation required. | Excellent, modern intelligent transmitters can achieve automatic zero tracking and correction. |
| Resistance to power frequency interference | Immune by nature. | Effective suppression through techniques such as synchronous sampling. |
| Main application fields | Nuclear industry, advanced metallurgy. | All common industrial processes (water treatment, chemical, food, etc.). |
DC electromagnetic flowmeters represent the origin of electromagnetic flowmeter technology and a special technical path. For conventional industrial measurements, they have long been replaced by more advanced technologies suchs as low-frequency rectangular wave excitation due to their inability to overcome the fundamental obstacle of "polarization effect".
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Year Established:
Establishe
Total Annual:
5 million-10 million
Employee Number:
500~800
Ecer Certification：
Verified Supplier
Our company adheres to the business philosophy of "treating people with sincerity and establishing the enterprise with integrity", emphasizing the development of the enterprise, customer-oriented, quality first, and striving for excellence. In the field of industrial automation instruments and met... Our company adheres to the business philosophy of "treating people with sincerity and establishing the enterprise with integrity", emphasizing the development of the enterprise, customer-oriented, quality first, and striving for excellence. In the field of industrial automation instruments and met...
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