科恩科KNKE高精度電磁流量計是一種用于測量液體流量的儀器。它基于法拉第電磁感應(yīng)定律，通過測量液體通過導(dǎo)電管道時產(chǎn)生的電磁感應(yīng)信號來確定液體流量。
高精度電磁流量計的主要優(yōu)點(diǎn)是精度高、穩(wěn)定性好、不受液體密度、溫度、壓力等參數(shù)的影響，并且不需要使用流體控制元件，因此不會對流體造成任何阻力或能量損失。此外，由于它是基于電磁感應(yīng)的，因此它還可以測量導(dǎo)電液體的流量，如水、污水、酸、堿、鹽水等。
高精度電磁流量計通常由傳感器和信號處理器兩部分組成。傳感器包括液體流經(jīng)的導(dǎo)電管道和安裝在管道周圍的電磁線圈，信號處理器則負(fù)責(zé)接收傳感器產(chǎn)生的信號并將其轉(zhuǎn)換為數(shù)字信號輸出。
A high-precision electromagnetic flowmeter is an instrument used to measure the flow of liquids. It is based on Faraday's law of electromagnetic induction, which determines the liquid flow by measuring the electromagnetic induction signal generated when the conductive liquid passes through the pipeline.
The main advantages of a high-precision electromagnetic flowmeter are its high accuracy, good stability, and insensitivity to liquid density, temperature, pressure, and other parameters. Moreover, it does not require the use of flow control elements, so it will not cause any resistance or energy loss to the fluid. Additionally, because it is based on electromagnetic induction, it can also measure the flow of conductive liquids, such as water, sewage, acids, alkalis, brine, etc.
A high-precision electromagnetic flowmeter typically consists of a sensor and a signal processor. The sensor includes the conductive pipeline through which the liquid flows and the electromagnetic coils installed around the pipeline. The signal processor is responsible for receiving the signals generated by the sensor and converting them into digital signals for output.
高精度電磁流量計參數(shù)
| 科恩科KNKE | 性 能 參 數(shù) | |
| 精度 | 0.5%（管道式） 0.15% 0.5% | 2.5%（插入式）1% |
| 流速范圍 | 0.5 m/s ~ 10 m/s | 0.5 m/s ~ 10 m/s |
| 口徑范圍 | DN4~DN3000 | |
| 防爆標(biāo)志 | Ex d ⅡC T6 Gb | |
| 流體電導(dǎo)率 | ≥5μs/cm | |
| 電極材料 | 316L不銹鋼、哈氏合金B(yǎng)/C、鉭、碳化鎢，鈦，鉑銥合金等 | |
| 襯里材料 | 橡膠（-20~+60℃） | |
| 聚四氟乙烯（-20~+120℃） | ||
| 聚氨酯橡膠橡膠（-20~+60℃） | ||
| F46、PFA等 | ||
| 外殼 | 壓鑄鋁，噴塑涂層 | |
| 表體材質(zhì) | 碳鋼，可定制不銹鋼 | |
| 連接方式 | 法蘭連接(國標(biāo))，可選其他標(biāo)準(zhǔn)，可根據(jù)現(xiàn)場壓力定制。 | |
| 電極結(jié)構(gòu) | 標(biāo)準(zhǔn)、可選刮刀式 | |
| 防護(hù)等級 | IP65（標(biāo)配）、IP67、IP68潛水型（分體型） | |
| 環(huán)境溫度 | -20℃ ~ +60℃ | |
| 供電電源 | 220VAC、24VDC | |
| 信號輸出 | 脈沖、4-20mA、RS485（Modbus、ASCⅡ） | |
| 功耗 | 小于15W | |
| 其他 | 參數(shù)保護(hù)、顯示傳感器參數(shù)、量程調(diào)整、調(diào)零、小信號切除 | |
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