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Flow sensor



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  • Measurement of flow and temperature at the same time
  • Optimized for water, oils and air
  • Red/green display for clear identification of the acceptable range
  • With two scalable analog outputs
  • The process connection can be rotated for optimum alignment
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Technische Details
Media water; glycol solutions; air; oils
Note on media
low-viscosity oils with viscosity: ≤ 40 mm²/s (104 °F)
high-viscosity oils with viscosity: > 40 mm²/s (104 °F)
Medium temperature [°F] -4...212
Pressure rating [bar] 50
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 analog outputs: 2
Total number of outputs 2
Output signal analog signal
Number of analog outputs 2
Analog current output [mA] 4...20; (scalable)
Max. load [Ω] 350
Short-circuit protection yes
Type of short-circuit protection yes (non-latching)
Overload protection yes
Measuring/setting range
Probe length L [mm] 200
Operating mode relative; absolutely liquid; absolutely gaseous
Note on setting range
Operating mode: relative
Measuring range [ft/s] 0.15...9.85
Resolution [ft/s] 0.05
Setting range [ft/s] 0...19.5
Analog start point ASP [ft/s] 0...7.95
Analog end point AEP [ft/s] 1.9...9.85
Measuring range [ft/s] 6...328
Resolution [ft/s] 2
Setting range [ft/s] 0...656
Analog start point ASP [ft/s] 0...264
Analog end point AEP [ft/s] 64...328
Temperature monitoring
Measuring range [°F] -4...212
Resolution [°F] 0.5
Analog start point [°F] -4...169
Analog end point [°F] 39...212
In steps of [°F] 0.5
Accuracy / deviations
Flow monitoring
Temperature drift [cm/s x 1/K] 0,01 fps x 1/K (< 68 °F; > 158 °F)
Max. temperature gradient of medium [K/min] 100
Accuracy (in the measuring range) ± (7 % MW + 2 % MEW); (for relative mode in the measuring range with:; water: 68...158 °F; inlet length: 5 ft; 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 ± 0,003 K/°F
Accuracy [K] ± 0,3 / ± 1; (water; Flow velocity: 1...9,85 fps / air; Flow velocity: > 32,8 fps)
Reaction 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: 1...9,85 fps)
Software / programming
Parameter setting options medium selection; Damping; Teach function; display can be rotated and switched off; standard unit of measurement; process value color
Operating conditions
Ambient temperature [°F] -40...176
Storage temperature [°F] -40...212
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 5 g (10...2000 Hz)
MTTF [years] 179
UL approval
UL approval number I004
Mechanical data
Weight [g] 310.5
Material stainless steel (1.4404 / 316L); PBT-GF20; PBT-GF30
Materials (wetted parts) stainless steel (1.4404 / 316L)
Process connection Diameter Ø 8 mm
Displays / operating elements
Display unit 6 x LED, green (%, fps, gpm, cfm, °F, 10³)
Measured values alphanumeric display, red/green 4-digit
MW = Measured value
MEW = Final value of the measuring range
Pack quantity 1 pcs.
Electrical connection
Connection Connector: 1 x M12; Contacts: gold-plated
ifm efector, inc. • 1100 Atwater Drive • Malvern • PA 19355 — We reserve the right to make technical alterations without prior notice. — EN-US — SA4314-00 —