Flow sensors

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1: LED display
2: setting pushbutton
3: internal thread M18 x 1.5
tightening torque 25 Nm
Product characteristics
Flow monitor
Compact type for adapter
Process connection: internal thread M18 x 1.5 for adapter
Probe length: 45 mm
Setting range: 3...300 cm/s (liquids)
Application liquids and gases
Pressure rating [bar]30
Medium temperature [°C]-25...80
Electrical data
Electrical design DC PNP
Operating voltage [V]19...36 DC
Current consumption [mA]< 60
Protection class III
Reverse polarity protection yes
Output function normally open / closed programmable
Current rating [mA]250
Voltage drop [V]< 2.5
Short-circuit protection yes (non-latching)
Overload protection yes
Measuring / setting range
Setting range [cm/s]3...300
Greatest sensitivity [cm/s]3...100
Setting range [cm/s]200...3000
Greatest sensitivity [cm/s]200...800
Accuracy / deviations
Switch point accuracy [cm/s]± 2...± 10 *)
Hysteresis [cm/s]2...5 *)
Repeatability [cm/s]1...5 *)
Temperature drift [cm/s x 1/K]0.1 **)
Max. temperature gradient of medium [K/min]300
Response times
Power-on delay time [s]10
Response time [s]1...10
Software / programming
Adjustment of the switch point pushbuttons
Ambient temperature [°C]-25...80
Storage temperature [°C]-25...100
Protection IP 67
Tests / approvals
EN 61000-4-2 ESD:  4 kV CD / 8 kV AD
EN 61000-4-3 HF radiated:  10 V/m
EN 61000-4-4 Burst:  2 kV
EN 61000-4-6 HF conducted:  10 V
Shock resistance
DIN IEC 68-2-27: 50 g (11 ms)  
Vibration resistance
DIN EN 60068-2-6 20 g (55...2000 Hz)  
MTTF [Years]298
Mechanical data
Process connection internal thread M18 x 1.5 for adapter
Materials (wetted parts) stainless steel 316L / 1.4404; O-ring: FKM 8 x 1.5 gr 80° Shore A
Housing materials stainless steel 316L / 1.4404; V2A / 301 / 1.4310; PC (polycarbonate); PBT-GF 20; EPDM/X
Probe length L [mm]45
Weight [kg]0.244
Displays / operating elements
Function display LED10 LEDs, three-colour
Electrical connection
Connection M12 connector
*) for water; 5...100 cm/s; 25°C (factory setting)
**) for water; 5...100 cm/s; 10...70°C
Pack quantity [piece]1
ifm efector, inc. • 1100 Atwater Drive • Malvern • PA 19355  —  We reserve the right to make technical alterations without prior notice.  —  US  —  SI5000  —  09.07.2013
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