IO-Link Flow & Temperature Sensor for Data Center Liquid Cooling
Smart flow and temperature monitoring for water-based coolingoops, CDU systems,and rack-level coolant circuits.
Flow + Temperature
IO-Link V1.1
Water-Blased Cooling Loops
1000 / CDU / Distribution
17+
Years Experience
200+
EU Clients
48h
Delivery Within EU
50+
Countries Served
Liquid Cooling Needs More Than Alarms. It Needs Clear Field Data.
Flow Deviation
Unintended flow drops cause hotspots and reduce system reliability.Real-time flow data helps prevent risks.
Temperature Drift
Slight temperature changes impact performance and officiency. Accurate temperalure data matters.
Standardized IO-Link Data
IO-Link V1.1 provides digital cyclic data and event data for smarter control and predictive maintenance.
Main Product: FMV-040-IOL Vortex Flow Sensor
Measuring principle
Kármán Vortex
Medium
water
Flow range
5 - 40 L/min (0.3 - 2.4 m³/h)
Flow accuracy
<3.0%F.S
Temperature range
0-100℃
Temperature accuracy
1℃
Pressure level
10bar,greatest pressure16bar
Interface
IO-Link(V 1.1),Class A
Output
NPN/PNP/Push-Pull, NO/NC, Hysteresis/Window programmable
Protection level
IP65
Data storage(DS)
Support
Typical Liquid Cooling Applications
CDU Cooling Loop Monitoring
Monitor flow and temperature in CDU cooling loops.
Rack-Level Coolant Circuits
Ensure stable cooling at the rack level.
Pump Protection
Detect low-flow conditions and protect pumps.
Filter Blockage Detection
Identify clogging early and avoid buildup.
Heat Exchanger Monitoring
Monitor performance and prevent fouling.
Liquid Cooling Test Benches
Accurate data for testing and validation.
Build a Complete Cooling Loop Monitoring Solution
FMV-040-IOL
Vortex Flow Sensor
THH06N-G1/4-Lxx-IL-SC
Temperature Transmitter
LTH-G1/2N-LI6D-SC/Lxxx
Liquid Level/Temperature Sensor
TBH-18ME-LI6D-SC
Temperature Sensor with Display
PLSU-18MN-AP6D-SC
Flow Sensor
You're on the application landing page for Data Center Liquid Cooling. Detaled specifcations, variants, and accesories are avalable on each product page.
Technical Files for Fast Evaluation
Download IO-Link Profile
Dowload CAD Model
Download Wiring Diagram
Need further engineering support? Our team is ready to assist you.
Coolant Compatibility
coolant Type
Recommendation
water
Standard application
Treated water
Compatibility check recommended
Low-conductivity DI water
Compatibilty check recommnended
Water + Glycol mixture
Suitable in acoordance with viscosity
Dielectric (3M/Immersion)
Not recommended without validation
Two-phase (fluorinated)
Not recommended without validation
Why Choose Sentinel for Liquid Cooling Field Monitoring?
IO-Link Scene Expertise
Application-Driven Solutions
European Support
Fast Technical Files
OEM & Integrator Support
EU Delivery Support
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What Liquid Cooling Systems Really Need Is Not Just Alarms, but an Explainable Operating Status
Why Are More and More Field Devices Starting to Support IO-Link?
In a liquid cooling system, if the flow sensor value starts to drop slowly, it may indicate filter blockage or pump operating deviation.
Insights and best practices for data center liquid cooling and industrial sensing.
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