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Flow sensor


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  • Measurement of flow and temperature at the same time
  • Optimised for water, oils and air
  • Red/green display for clear identification of the acceptable range
  • With switching output, analogue signal and IO-Link
  • The process connection can be rotated for optimum alignment
  • ce
  • eac
  • cul
  • iolink
  • crn

Technische Details
Product characteristics
Number of inputs and outputs Number of digital outputs: 2; Number of analogue outputs: 1
Process connection threaded connection G 1/2
Measuring range [m/s] 0.04...3
Measuring range [m/s] 2...100
Special feature Gold-plated contacts
Media water; glycol solutions; air; oils
Note on media
low-viscosity oils with viscosity: ≤ 40 mm²/s (40 °C)
high-viscosity oils with viscosity: > 40 mm²/s (40 °C)
Medium temperature [°C] -20...90
Pressure rating [bar] 100
MAWP (for applications according to CRN) [bar] 85
Electrical data
Operating voltage [V] 18...30 DC
Current consumption [mA] < 100
Protection class III
Reverse polarity protection yes
Power-on delay time [s] 10
Inputs / outputs
Number of inputs and outputs Number of digital outputs: 2; Number of analogue outputs: 1
Total number of outputs 2
Output signal switching signal; analogue signal; frequency signal; IO-Link; (configurable)
Electrical design PNP/NPN
Number of digital outputs 2
Output function normally open / normally closed; (parameterisable)
Max. voltage drop switching output DC [V] 2.5
Permanent current rating of switching output DC [mA] 250
Number of analogue outputs 1
Analogue current output [mA] 4...20; (scalable)
Max. load [Ω] 350
Short-circuit protection yes
Type of short-circuit protection pulsed
Overload protection yes
Frequency of the output [Hz] 0...1000
Measuring/setting range
Probe length L [mm] 19.2
Operating mode relative; absolutely liquid; absolutely gaseous
Note on setting range
Operating mode: relative
Measuring range [m/s] 0.04...3
Setting range [m/s] 0...6
Measuring range [m/s] 2...100
Setting range [m/s] 0...200
Temperature monitoring
Measuring range [°C] -20...90
Resolution [°C] 0.2
Accuracy / deviations
Flow monitoring
Temperature drift [cm/s x 1/K] 0,003 m/s x 1/K (< 20 °C; > 70 °C)
Temperature gradient [K/min] 100
Accuracy (in the measuring range) ± (7 % MW + 2 % MEW); (for relative mode in the measuring range with:; water: 20...70 °C; inlet length: 1,5 m; DN25 (DIN 2448); mounting position according to instructions; Accuracy can differ for other media and mounting positions.)
Repeatability 0,05 m/s; (water; flow velocity: 0,05...3 m/s)
Temperature monitoring
Temperature drift ± 0,005 K/°C
Accuracy [K] ± 0,3 / ± 1; (water; flow velocity: 0,3...3 m/s / air; flow velocity: > 10 m/s)
Response times
Flow monitoring
Response time [s] 0.5; (T09; water; glycol: 0,8 s; air: 7 s; oil: 1,8 s; each T09)
Temperature monitoring
Dynamic response T05 / T09 [s] 1,5 (T09); (water; flow velocity: 0,3...3 m/s)
Software / programming
Parameter setting options hysteresis / window; normally open / normally closed; switching logic; current/frequency output; medium selection; Damping; Teach function; display can be rotated and switched off; standard unit of measurement; process value colour
Communication interface IO-Link
Transmission type COM2 (38,4 kBaud)
IO-Link revision 1.1
SDCI standard IEC 61131-9
IO-Link device ID 533 d / 00 02 15 h (REL)
Profiles Smart Sensor: Process Data Variable; Device Identification, Device Diagnosis
SIO mode yes
Required master port type A
Process data analogue 2
Process data binary 2
Min. process cycle time [ms] 3
Operating conditions
Ambient temperature [°C] -40...80
Storage temperature [°C] -40...100
Protection IP 65; IP 67
Tests / approvals
DIN EN 60947-5-9
Shock resistance
DIN EN 60068-2-27 50 g (11 ms)
Vibration resistance
DIN EN 60068-2-6 20 g (10...2000 Hz)
MTTF [years] 143
UL approval
UL Approval no. I003
File number UL E174189
Mechanical data
Weight [g] 324
Materials stainless steel (1.4404 / 316L); stainless steel (1.4310 / 301); PBT-GF20; PBT-GF30
Materials (wetted parts) stainless steel (1.4404 / 316L); Gasket: FKM
Process connection threaded connection G 1/2
Displays / operating elements
Display unit 6 x LED, green (%, m/s, l/min, m³/h, °C, 10³)
switching status 2 x LED, yellow
measured values alphanumeric display, red/green 4-digit
MW = measured value
MEW = Final value of the measuring range
540 d / 00 02 1ch (LIQU)
547 d / 00 02 23 h (GAS)
Pack quantity 1 pcs.
Electrical connection
Connection Connector: 1 x M12; Contacts: gold-plated
ifm electronic gmbh • Friedrichstraße 1 • 45128 Essen — We reserve the right to make technical alterations without prior notice. — EN-GB — SA2000-00 — 19.02.2016 —