IFM SR/SN/SF Series Flow Sensor Switch

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2025/7/4 Update

Remote monitor and flow sensor probe｜DC/AC Switch output, with bar graph display
— The ifm flow monitoring system is a modular solution for directly or remotely indicating the flow of liquids and gases. It has no moving parts that could potentially jam or break, thus enabling reliable detection of a wide range of media.

IFM SR/SN/SF Series Flow Sensor Switch

Technical Features

Split monitoring system, for remote flow indication.

Can be connected to a wide range of control monitors.

Ideal choice for applications with limited installation space.

Uses a modular mounting adapter system to reduce inventory.

High-temperature models available.

Products + Accessories Selection:

A. Control Monitor

Description	Output	Power Connection	Operating Voltage	Flow/Temp./Wire Break Monitoring	Order No.
Field-mount control monitor	PNP, N.O. / N.C.	1 x M12	19…36 VDC	Yes / No / Yes	SR5900
Field-mount control monitor	AC, Relay, N.O. / N.C.	1 x 1/2″	90…240 VAC	Yes / No / Yes	SR5906
Cabinet-mount visual monitoring unit	3 x SPDT relay	Common terminal	24 VDC	Yes / Yes / Yes	SR0150
Cabinet-mount visual monitoring unit	3 x SPDT relay	Common terminal	90…240 VAC	Yes / Yes / Yes	SN0150

B. Cable Connection (for power/probe connection)

Type	Description	Order No.
	M12 Micro DC connecting cable (4-pin) 5 m, PUR (for SR5900)	EVC004
	1/2″ Micro AC connecting cable (5-pin) 4 m, PUR (for SI5006)	E18027
	M12 Micro DC connecting socket cable (5-pin), PUR (for SF 5200 or SF 6200)	EVC059
	M12 Micro DC connecting cable (5-pin), PA (for SF 5300)	EVC816
	M12 Micro DC connecting cable (5-pin) 5 m, PUR (for SF 5200 or SF 6200)	EVC074

C. Flow Probe

Probe connection for SR590x field-mount type	Order No.	Probe connection for Sx0150 cabinet-mount type	Order No.
Direct connection to field-mount installation, or use EVC059 connecting cable for remote installation	SF5200	Use EVC074 connecting cable for remote installation	SF5200
Direct connection to field-mount installation, or use EVC059 connecting cable for remote installation	SF6200	Use EVC074 connecting cable for remote installation	SF6200
Direct connection to field-mount installation, or use EVC059 connecting cable for remote installation	SF6201	Use EVC074 connecting cable for remote installation	SF6201
Use EVC816 connecting cable for remote installation	SF5300	Direct connection via combicon connector	SF5300

D. Process Connection

Type	Description	Order No.
	R 1/2 adapter (for SF6200 or SF6201)	E40160
	G 1/2 adapter (for SF5200 or SF5300)	E40096

Specifications:

Ideal switch point setting range for water: 3…60 cm/sec*
Ideal switch point setting range for oil: 9…180 cm/sec
Ideal switch point setting range for gas: 50…600 cm/sec
Medium temperature:
- SF 5200 and SF 6200: -25…80 °C
- SF 5300: 0…120 °C
Protection class:
- IP67 (SR0150, SN0150: IP20)

What’s More:

Component Guide

Select the control monitor based on the application. Then, determine the electrical connection, flow probe, and process connection.

Benefits Introduce In Detail

Direct or Remote Mounted Flow Monitoring Systems Provide Modular Installation Solutions

The ifm flow monitoring system is a modular solution for directly or remotely indicating the flow of liquids and gases. It has no moving parts that could potentially jam or break, thus enabling reliable detection of a wide range of media. This modular solution is the ideal choice for applications where installation space is limited or where local installation of the control monitor is not permitted.

Cabinet-mount Visual Control Monitor

The terminals of the ifm cabinet-mount visual control monitor are easily accessible and can be wired before installation in the control cabinet. The connection to the flow probe is low voltage and does not require protection with a conduit. The monitor’s LED indicator provides visual cues for flow and flow setpoints. Separate LEDs indicate temperature and wire breaks, and it provides a relay output.

Field-mount Control Monitor

The ifm field-mount control monitor connects to multiple probes and can be used for direct-in-application or remote installation. This monitor uses push-button programming, is equipped with a bar graph LED display, and visually indicates the status.