SBN257 Flow meter with integrated backflow prevention and display SBN32IF0FRKG

Brand: IFM Electronic

Code: SBN257

Precise detection of flow in pipes
Suitable for water, oils and glycol solutions
Precise linearized analogue output
Robust housing with very high pressure rating
Lifespan of more than 10 million pressure cycles

Product characteristics

Number of inputs and outputs

Number of digital outputs: 2; Number of analogue outputs: 1

Measuring range

60...3000 gph

1...50 gpm

Process connection

threaded connection 1 1/2" NPT

Application

Special feature

Gold-plated contacts

Application

for industrial applications

Media

Liquids; water; glycol solutions; coolants

Note on media

oil 1 with viscosity: 10 mm²/s (104 °F)

oil 2 with viscosity: 46 mm²/s (104 °F)

Medium temperature [°F]

14...212

Pressure rating [bar]

Pressure rating [Mpa]

2.5

MAWP (for applications according to CRN) [bar]

Electrical data

Operating voltage [V]	18...30 DC; (to SELV/PELV)
Current consumption [mA]	< 50
Protection class	III
Reverse polarity protection	yes
Power-on delay time [s]	< 3

Inputs / outputs

Number of inputs and outputs	Number of digital outputs: 2; Number of analogue outputs: 1

Outputs

Total number of outputs	2
Output signal	switching signal; analogue signal; frequency signal; IO-Link; (configurable)
Number of digital outputs	2
Output function	normally open / normally closed; (parameterisable)
Max. voltage drop switching output DC [V]	2
Permanent current rating of switching output DC [mA]	150; (per output 2 x 200 (...140 °F); 2 x 250 (...104 °F))
Switching cycles (mechanical)	10 million
Number of analogue outputs	1
Analogue current output [mA]	4...20
Max. load [Ω]	500
Short-circuit protection	yes
Overload protection	yes
Frequency of the output [Hz]	0...10000

Measuring/setting range

Measuring range

60...3000 gph

1...50 gpm

Display range

0...3600 gph

0...60 gpm

Resolution

20 gph

0.2 gpm

Set point SP

20...3000 gph

0.4...50 gpm

Reset point rP

0...2980 gph

0...49.6 gpm

Frequency end point, FEP

200...3000 gph

3.4...50 gpm

In steps of

20 gph

0.2 gpm

Frequency at the end point FRP [Hz]

10...10000

Measuring dynamics

1:50

Temperature monitoring

Measuring range [°F]	14...212
Display range [°F]	-26...252
Resolution [°F]	2
Set point SP [°F]	16...212
Reset point rP [°F]	14...210
In steps of [°F]	2
Frequency start point, FSP [°F]	14...172
Frequency end point, FEP [°F]	54...212
Frequency at the end point FRP [Hz]	10...10000

Accuracy / deviations

Flow monitoring

Accuracy (in the measuring range)	± (4 % MW + 1 % MEW); (Q > 1 l/min; medium and operating temperature: +71,6 °F ± 4K)
Repeatability	± 1 % MEW

Temperature monitoring

Temperature drift	0,9802 °F / K
Accuracy [K]	3 K (77 °F; Q > 1 l/min)

Response times

Flow monitoring

Response time [s]	0.01
Damping process value dAP [s]	0...5
Damping for the analogue output dAA [s]	0...5

Temperature monitoring

Dynamic response T05 / T09 [s]	T09 = 120 (Q > 1 l/min)

Software / programming

Parameter setting options	hysteresis / window; normally open / normally closed; switching logic; current output; medium selection; damping for the switching output / analogue output; display can be rotated and switched off; standard unit of measurement; process value colour

Interfaces

Communication interface

IO-Link

Transmission type

COM2 (38,4 kBaud)

IO-Link revision

1.1

SDCI standard

IEC 61131-9 CDV

Profiles

Smart Sensor: Process Data Variable; Device Identification

SIO mode

yes

Required master port type

Process data analogue

Process data binary

Min. process cycle time [ms]

Supported DeviceIDs

Type of operation	DeviceID
Default	680

Operating conditions

Ambient temperature [°F]

32...140

Note on ambient temperature

medium temperature < 176 °F

medium temperature < 212 °F: 32...104 °F

Storage temperature [°F]

5...176

Protection

IP 65; IP 67

Tests / approvals

EMC

DIN EN 61000-6-2
DIN EN 61000-6-3

Shock resistance

DIN EN 60068-2-27

20 g (11 ms)

Vibration resistance

DIN EN 60068-2-6

5 g (10...2000 Hz)

UL approval

UL Approval no.

I007

Pressure Equipment Directive

Sound engineering practice; can be used for group 2 fluids; group 1 fluids on request

Mechanical data

Weight [g]	2258.35
Materials	stainless steel (1.4404 / 316L); PBT+PC-GF30; PBT-GF20; PC; brass chemically nickel-plated
Materials (wetted parts)	stainless steel (316 / 1.4401); stainless steel (1.4404 / 316L); brass (2.0371); brass chemically nickel-plated; PPS; spacer: POM; O-ring: FKM
Process connection	threaded connection 1 1/2" NPT

Displays / operating elements

Display

Display unit	3 x LED, green
switching status	2 x LED, yellow
measured values	alphanumeric display, red/green 4-digit
programming	alphanumeric display, 4-digit

Remarks

Recommendation: use a 200-micron filter.

All data refer to water (68 °F).

MW = measured value

MEW = Final value of the measuring range

Notes

Please note the changed housing design!

Pack quantity

1 pcs.

Electrical connection

Connection	Connector: 1 x M12; coding: A; Contacts: gold-plated

Diagrams and graphs

Pressure loss

dP	Pressure loss
Q	volumetric flow quantity

ifm electronic gmbh • Friedrichstraße 1 • 45128 Essen — We reserve the right to make technical alterations without prior notice. — EN-GB — SBN257-01 — 05.05.2023 —