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Product 3D Image Get couponsIntelligent vortex flow sensor-SN53C
Product introduction
Principle and Features:
The SN53C series intelligent vortex flow and temperature sensor is based on the Kármán vortex street principle. The Kármán vortex street is a phenomenon observed and studied by Hungarian-American scientist von Kármán in 1911: when a fluid flows past a non-streamlined object, pairs of alternating vortices with opposite rotation directions form on both sides of the wake behind the object. These vortices are periodic and alternate, and their frequency is proportional to the fluid velocity. This is the Kármán vortex street phenomenon, and the specific relationship is Sr = f·d / V.
The vortex flowmeter utilizes this principle to determine the fluid velocity or flow rate by measuring the shedding frequency of the vortices. It features a compact size and easy configuration. With a built-in intelligent circuit, it allows free setting of upper and lower flow alarms, supports remote monitoring of real-time flow, and allows all parameters to be set on site.
It also uses a high-precision sensor for temperature measurement. The signal is processed by a rear circuit and converted into a standard industrial electrical signal for output and display. The upper and lower temperature alarms can be freely set, remote monitoring of real-time temperature is supported, and all parameters can be set on site.
Technical Specifications
Dimension Drawing
Wiring Diagram (5-core)
Wiring Diagram (8-core)
Selection Table
| Applicable Medium | Liquid (viscosity below 3mPa·s [3cP]) | |
| Flow Range | 0.5–4 L/min | |
| Medium Temperature | 0–90℃ (non-freezing and non-condensing) | |
| Display Units | Instantaneous Flow: L/min Total Flow: L/min | |
| Accuracy | Display: ±5% Analog Output: ±3% | |
| Repeatability | ±1% | |
| Pressure Resistance | 15 bar | |
| Pressure Loss | Less than 45 KPa at maximum flow | |
| Switch Output | Output | 2 PNP or NPN outputs |
| Maximum Load Current | 80 mA | |
| Power Supply Voltage | DC 12–24V ±10% | |
| Switch Output | 0.5s / 1s / 2s | |
| Output Protection | Short-circuit protection | |
| Flow | Hysteresis mode, upper/lower limit comparison mode, total output mode, total pulse output mode selectable | |
| Temperature | Hysteresis mode, upper/lower limit comparison mode selectable | |
| Voltage Output / Current Output | Voltage Output | Voltage Output: 15V Output Impedance: 1kΩ |
| Current Output | Current Output: 420mA Maximum Load Impedance: 300Ω at DC12V, 600Ω at DC24V | |
| Pin | Cable Color | Signal |
| 1 | Brown | Power Supply |
| 2 | White | Switch 2 |
| 3 | Blue | GND |
| 4 | Black | Switch 1 |
| 5 | Grey | mA / Pulse P |
| Pin | Cable Color | Signal |
| 1 | White | Flow mA |
| 2 | Brown | Power Supply + |
| 3 | Green | Temperature mA |
| 4 | Yellow | T1 Temp Switch |
| 5 | Grey | |
| 6 | Pink | |
| 7 | Blue | Power Supply − |
| 8 | Red | L1 Switch |
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SN53C- |
A |
P |
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B |
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Description |
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SN53C- |
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SN53C Series Intelligent Vortex Sensor |
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Model A: Stainless steel with display |
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A1 |
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Model A1: Stainless steel without display (no switching output function) |
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P |
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PNP output (only for models with display) |
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N |
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NPN output (only for models with display) |
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A |
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Flow Range: 0.5–4 L/min Thread: G3/8 internal thread |
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A1 |
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Flow Range: 0.5–4 L/min Thread: RC3/8 internal thread |
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B |
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Flow Range: 2–16 L/min Thread: G1/2 internal thread |
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B1 |
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Flow Range: 2–16 L/min Thread: RC1/2 internal thread |
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C |
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Flow Range: 5–40 L/min Thread: G1/2 internal thread |
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C1 |
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Flow Range: 5–40 L/min Thread: RC1/2 internal thread |
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D |
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Flow Range: 10–100 L/min Thread: G1 internal thread |
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D1 |
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Flow Range: 10–100 L/min Thread: RC1 internal thread |
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F |
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Flow Range: 10–100 L/min Thread: G3/4 internal thread |
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F1 |
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Flow Range: 10–100 L/min Thread: RC3/4 internal thread |
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G |
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Flow Range: 20–200 L/min Thread: G1 internal thread |
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G1 |
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Flow Range: 20–200 L/min Thread: RC1 internal thread |
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Available for models without display |
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1 analog 4–20 mA output (flow) |
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B |
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1 analog 1–5 V output (flow) |
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C |
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RS485 communication (flow) |
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S |
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Flow and temperature: one 4–20 mA + one RS485 output |
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Not available for models without display |
D |
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2 analog 4–20 mA outputs (temperature and flow) |
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E |
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2 analog 1–5 V outputs (temperature and flow) |
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E1 |
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Switching Output: 2 flow switch outputs Analog Output: 1 flow 4–20 mA output |
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E2 |
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Switching Output: 2 flow switch outputs Analog Output: 1 flow 1–5 V output |
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F1 |
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Switching Output: 1 temperature + 1 flow switch output Analog Output: 1 flow 4–20 mA output |
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F2 |
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Switching Output: 1 temperature + 1 flow switch output Analog Output: 1 flow 1–5 V output |
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F3 |
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Switching Output: 1 temperature + 1 flow switch output Analog Output: 1 temperature 4–20 mA output |
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F4 |
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Switching Output: 1 temperature + 1 flow switch output Analog Output: 1 temperature 1–5 V output |
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G1 |
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Switching Output: 1 temperature + 1 flow switch output Analog Output: 1 temperature and 1 flow 4–20 mA output |
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G2 |
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Switching Output: 1 temperature + 1 flow switch output Analog Output: 1 temperature and 1 flow 1–5 V output |
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R1 |
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Switching Output: 2 flow switch outputs + RS485 communication |
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R2 |
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Switching Output: 2 temperature switch outputs + RS485 communication |
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R3 |
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Switching Output: 1 temperature + 1 flow switch output + RS485 communication |
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Not available without temperature function |
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Default Temperature Range: 0–100℃ |
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T… |
Custom temperature range available |
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Shanghai Kayuan Electronic
Technology Co., Ltd.
Technology Co., Ltd.
Shanghai Kayuan Electronic Technology Co., Ltd. es una empresa especializada en la producción e investigación y desarrollo (I+D) de sensores y controladores de fluidos industriales. Nuestros productos principales incluyen interruptores y sensores para medición de flujo, presión, temperatura y nivel de líquidos.
En el año 2008, establecimos nuestra planta de ensamblaje en Shanghái, China, para fabricar la serie de productos de PAKU. Adoptamos tecnología avanzada y procesos de fabricación modernos en todas nuestras operaciones. Gracias a nuestra tecnología de diseño y producción profesional, completa gama de productos, excelente calidad y red de servicios de ventas, podemos ofrecer a los usuarios no solo soporte técnico profesional y oportuno, sino también servicios integrales de alta calidad.
La empresa ha establecido diversos departamentos, como compras, I+D, gestión de calidad, finanzas, ventas, servicio postventa, oficina general, laboratorio, sala de archivo, taller de calibración, taller de producción, área de inspección, zona de almacenamiento, área de envío y una sala de descanso para tomar té, con el objetivo de proporcionar productos de excelente calidad y servicios sinceros.
Adherimos al concepto centrado en el cliente de crear valor para los mismos. De acuerdo con las necesidades del sector industrial de nuestros clientes, actualizamos continuamente nuestra tecnología y optimizamos nuestros servicios, con la visión de convertirnos en líderes en el campo de la automatización de procesos.
Los productos de PAKU se utilizan ampliamente en diversas industrias, incluyendo equipos completos de automatización, equipos petroleros, equipos químicos, equipos eléctricos, equipos de soldadura, equipos siderúrgicos, equipos metalúrgicos, industria automotriz y tratamiento de aguas. Hemos servido a numerosos clientes tanto nacionales como internacionales, y nuestros productos se exportan a países como Canadá, Estados Unidos, Brasil, Indonesia, Vietnam, Tailandia y Rusia.
En el cada vez más competitivo mercado global del futuro, PAKU continuará sirviendo, como siempre lo ha hecho, a una amplia gama de clientes nacionales e internacionales con calidad excepcional, precios razonables y competitivos, entregas puntuales y un servicio postventa perfecto. Damos la bienvenida a una amplia cooperación con clientes OEM (fabricantes de equipos originales) y ODM (fabricantes de diseño original).
Información
[email protected]
+86-13386111894 / +86-021-37566990
[email protected]
4th Floor, No. 3, Lane 1313, Nanting Road, Fengxian District, Shanghai China
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