Electronic flow switch
Electronic flow switch

Electronic Flow Switch SI-100B-3 Color Display

The Electronic Flow Switch has a 3-color display. Any sensor with a switching output can be called an electronic flow switch. When there are high requirements for monitoring liquid flow, an electronic flow switch is the right choice.

  • Support customization
  • OEM
  • Three-color display
  • Signal output: PNP, NPN, PNP +4-20mA optional
  • Waterproof: IP67
  • Easy to install
  • Applicable to various pipe diameters
  • Continuously adjustable switch quantity
  • Extremely low pressure loss
  • Compact structure
  • LED displays flow trend and switch status

Introduction of Electronic Flow Switch

The flow switch has shown its reliability in many application fields. The flow switch provides a frequency signal proportional to the flow rate, which is transmitted to the microprocessor to monitor the set minimum flow rate. The alarm contact is triggered when the flow rate decreases. The set point adjustment of the electronic flow switch is very easy and accurate, and has a wide set point range. Therefore, an electronic flow switch can be applied to a variety of situations. It has higher safety performance.

Read More about a Flow Switch.

 

Electronic flow switch

Parameters of Electronic Flow Switch

Setting range 1-300cm/s (water)
3-300cm/s (oil)
20-2000 cm/s (air)
Specific needs to be factory calibrated or customized on-site.
Switch output Setting range: 0.5%-100% range
Number of switches 1
Electrical design PNP, NPN, PNP +4-20mA optional
Output function Normally open/normally closed; (parameters can be set)
Analog output Output type: 4- 20mA analog output
Load ≤500Ω
Current load ≤300mA
Switch point accuracy ±2-±10cm/s
Flow indication LED lights (10 3 colors)
Setting method Button setting
Pressure range 100bar
Medium temperature change 4°C/s
Response time 1-13s, typical 2s
Initialization time About 8s
Power supply 24±20%VDC
Power on Maximum 400mA (PNP or NPN type)
Maximum 2A48VAC/DC (relay type)
Electrical protection Reverse phase, short circuit, overload protection
Protection level IP67
Medium temperature -20-80
Ambient temperature -20-80
Storage temperature -20-100°C
Wiring method M12 connector/directly attached 2m cable optional
Material Housing: 304 stainless steel; Probe: 304 stainless steel
Weight About 0.4kg
Repeat accuracy 1-5cm/s

Wring Diagram:

Electronic flow switch

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Sino-Inst’s electronic flow switch supports a three-color display. It can clearly display the change in flow. It can reasonably control the flow.

Buying Sino-Inst’s products is your best choice. We have a high cost-effectiveness. We support international express delivery. Our products have a one-year warranty. Come and contact us. We will provide you with the best solution.

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Applications of Electronic Flow Switch

Electronic flow switches are widely used in various fields.

In the industrial field, it can be used to monitor the flow of liquid or gas in the pipeline. And realize automated production through linkage with other equipment.

In family life, it can be used in water heating systems, air conditioning systems, etc.

In medical equipment, it can be used to monitor the infusion rate.

In environmental monitoring. It can protect the environment by real-time detection of wastewater discharge.

It also plays an important role in medical equipment, environmental monitoring and scientific research.

Flow Switch

More Detail

Are Flow Switches and Pressure Switches Same?

Flow switches and pressure switches are different. The flow switch controls the water supply of the pump room and the start and stop of the fire pump by detecting the water flow, while the pressure switch determines the normal operation of the system and whether the water source is sufficient by monitoring the pipeline pressure.

Flow switches are usually suitable for flow detection of fire-fighting equipment such as fire pools, high-level water tanks, fire hydrants, sprinkler pipes, and fire extinguishing devices. Pressure switches are usually suitable for pressure monitoring of fire-fighting equipment such as water pump pipelines and sprinkler pipes.

Electronic flow switch

What is the Purpose of Flow Control?

The main purpose of water flow control is to ensure the safe transportation of liquids and gases, improve work efficiency, save resources, and ensure balanced water use for each user. Specifically:

Safety guarantee: In many industrial and daily applications, fluid control technology ensures the safe transportation of liquids and gases and avoids the risk of leakage and pollution. For example, the tap water system uses fluid control technology to ensure the safety and reliability of water quality.

Improve efficiency: Through precise fluid control, the working efficiency of various equipment and systems can be improved. For example, in chemical production, fluid control technology can ensure the stability of the reaction, thereby improving the quality and output of the product.

‌Resource saving‌: Fluid control can optimize the use of fluids and reduce waste. For example, flow control in medical equipment ensures accurate delivery of drugs and avoids overdose or underdose of drugs‌.

‌Ensure balanced water use‌: During peak water use, by installing a control valve with flow restriction, you can avoid a sudden drop in water pressure caused by excessive local flow and ensure balanced water use for each user‌.

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