IFM SBU924 - Flow transmitter with integrated backflow prevention SBU12DI040KG/US

Reliable volumetric flow monitoring of the internal cooling of the drill on machine tools.
With integrated backflow preventer.
Precise linearized analogue output.
Robust housing with very high pressure rating.
Very short response time

Measuring range [l/min]	2...50
Process connection	G 1/2

Application	machine tools; Internal cooling of drill
Media	Liquids; water; glycol solutions; coolants
Medium temperature [°C]	0...60
Pressure rating [bar]	200
Pressure rating [MPa]	20

Operating voltage tolerance [%]	-15...10
Operating voltage [V]	24 DC;(to SELV/PELV)
Current consumption [mA]	10
Protection class	III
Reverse polarity protection	yes

Outputs

Output signal	analogue signal
Analogue voltage output [V]	0.5...10
Min. load resistance [Ω]	10000
Short-circuit protection	yes
Overload protection	yes

Measuring/setting range

Measuring range [l/min]	2...50
Flow range [l/min]	75

Accuracy / deviations

Repeatability [% of the final value]	1
Measuring error [% of the final value]	± 5

Response times

Response time [s]	< 0.01

Operating conditions

Ambient temperature [°C]	0...60
Storage temperature [°C]	-15...80
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)
MTTF [years]	15.78

Weight [g]	742
Materials	aluminium anodised; PA
Materials (wetted parts)	stainless steel (316 / 1.4401); brass; aluminium anodised; PU; O-ring: FKM
Process connection	G 1/2
Switching cycles mechanical	10 million

Accessories

Items supplied	sealing plugs

Remarks	Temperature changes slightly affect the specified standard settings for coolants. For oils, the settings are influenced by temperature and viscosity. Recommendation Use 200 micron filtration All data refer to coolants (20 °C).
Pack quantity	1 pcs.

Electrical connection

Connection	Connector: 1 x M12; coding: A

Diagrams and graphsifm electronic gmbh • Friedrichstraße 1 • 45128 Essen — We reserve the right to make technical alterations without prior notice. — EN-GB — SBU924-04 — 13.04.2023 —