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MFS10 Flow Monitor Switch Sensor

MFS10 flow switch offers real-time monitoring and measurement of liquid flow in pipes. The compact and economical flow monitor features include stainless-steel housing, no moving parts, and fully adjustable output. A 6 LED display provides real-time visual monitoring of the flow rate and output status. This flow switch is widely used in hydropower, paper processing, steel industry.

MFS10 Flow Monitor Switch Product Description

MFM500A Flow Switch is an intelligent thermal diffusion principle-based flow monitoring sensor. It adopts an ARM processing core and combines high-quality sensors and a dedicated circuit. With temperature-compensation and calibration, it can ensure measurement accuracy in the case of water temperature change. It is available for real-time monitoring of pipe water flow. It can be used for cooling or lubrication system flow monitoring to realize pre-warning and protection for critical equipment when there is a flow fault. It uses a fully enclosed design, stainless steel construction to adapt to a variety of application environments. It is with overvoltage, over-current, and reverse polarity protection function. With a self-luminous OLED screen, it allows a switchable display between the progress bar and digital display numbers. MFM500A supports a quick action point set, also it has a display inversion function that enables installation in any direction, and no need for frequent adjustment and maintenance. It can be applied for operation protection of large equipment in fields such as power generation, metallurgy, steel, paper, boilers, etc.

Range：1~150cm/s(water),3~300cm/s(oil)

Features

1. High accuracy, excellent repeatability, long working life, and rapid response time

2. Compact in size, easy to install

3. 6 LED real-time visual display.

Electrical connection

Code	Color	NO.
Excitation +	Brown	1
Excitation -	Blue	3
Relay: Normally open	White	2
Relay: Normally close	Gray	5
Relay: COM	Black	4
Transistor: NPN	Black	4
Transistor: PNP	Black	4

Technical Specifications:

Measuring media	diluted non-corrosive liquids (water, oil…)
Measuring ranges	bar	1~150cm/s(water),3~300cm/s(oil)
Excitation voltage	Vdc	24±20％VDC
Output signal	Relay	SPDT(≤250VAC/30VDC, 3A)
Output signal	Transistor	NPN,PNP(≤24±20％VDC,1.2A)
Response time	s	2s(1~15s)
Initialize time	s	8s(2~15s)
Medium temp.	℃	-20～80℃
Environment temp.	℃	-10~+70
Storage temp.	℃	-25~85℃
Consumption current	mA	＜90mA
Overload pressure	Mpa	10Mpa
Environment protection	IP rating	IP 67
Case Material	304 SS
Material (wetted parts)	304 SS

Installation

1. The tip of the sensor must be fully immersed in the fluid. When installing in small diameter pipes, ensure that the tip of the sensor does not contact the pipe’s opposite inner wall。

2 If the fluid does not completely fill the pipe, or if there is a possibility that bubbles can exist at the top of the pipe, the sensor should be installed at the bottom of the pipe.

3. If there is a possibility that sediment can exist at the bottom of the pipe, install the sensor in the side in a level and horizontal position to avoid both air and sediment.

4. For proper accuracy, the sensor should be installed in a straight run of pipe that is at least 4 pipe diameters in length from standard fittings such as elbows and unions and at least 15 pipe diameters in length from control valves and pumps. The ideal location is on a vertical pipe that runs on the inlet side of the pump.