1. Homepage
  2. Products
  3. Sensors for motion control
  4. Pulse evaluation systems
  5. Evaluation units for flow monitoring
  6. SR5900


Control monitor for flow sensors


{{'OPTIONAL_INFO' | productAvailability | error}}

Dear customer,
Unfortunately, this data sheet is not available in the requested language. If you have any further questions, you can contact us by e-mail.

Best regards
Your ifm team

  • Reliable monitoring of liquids and gases in pipes
  • For the connection of flow sensors with large immersion depths
  • For sensors made of ceramics, high-grade stainless steel and titanium
  • Easy setting of the switch points for quick set-up
  • LED bar graph for indication of switch point and flow
  • ce
  • cul
Technische Details
Application Flow monitoring; Wire monitoring
Electrical data
Operating voltage [V] 19...36 DC
Current consumption [mA] < 70
Protection class III
Reverse polarity protection yes
Power-on delay time [s] 10
Number of channels 1
Electrical design PNP
Max. voltage drop switching output DC [V] 2.5
Permanent current rating of switching output DC [mA] 250
Switching function flow monitoring output switches when flow is present: ON for output function = normally open / OFF for output function = normally closed
Short-circuit protection yes
Overload protection yes
Software / programming
Adjustment of the switch point pushbutton
Operating conditions
Ambient temperature [°C] -20...60
Protection IP 67; (with sensor attached)
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 30 g (6 ms)
Vibration resistance
DIN IEC 68-2-6 5 g (55...2000 Hz)
MTTF [years] 342
Mechanical data
Weight [g] 225.5
Materials stainless steel (1.4404 / 316L); stainless steel (1.4301 / 304); PC; PBT-GF20; EPDM/X; brass
Displays / operating elements
function LED, bar graph
switching status LED, orange flash in case of wire break
Connection for flow sensor without short-circuit protection / reverse polarity protection.
The flow sensor must be directly connected to the control monitor.
A connection by means of extension cables is not allowed.
Pack quantity 1 pcs.
Electrical connection
Connection Connector: 1 x M12
ifm electronic gmbh • Friedrichstraße 1 • 45128 Essen — We reserve the right to make technical alterations without prior notice. — EN-GB — SR5900-02 — 17.08.2010 —