Module：PLSU-18MN-AP6D-SC
Thermal Flow sensors
Based on the thermal conductivity principle, Sentinel’s flow sensor can reliably monitor the flow limit value, and also monitor and alarm the temperature of the medium.
- Based on the thermal conductivity principle
- All stainless steel shell
- IP67 Protection
- 3-wire PNP normally open output
- Switching point adjustable via potentiometer
- M18x1.5 internal thread
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Full Technical Specification
Specification
Value
Electrical parameters
Medium
liquid
Operating range
Water 1...150cm/s；Oil 3...300cm/s
Operating voltage
24V±20%
Rated switching current
≤ 200mA
No-load current
≤ 100mA
Output method
PNP Normally open
Switching characteristics
< 8s
On/off time
< 2s
Temperature change response time
Maximum 12s
Medium temperature
-20...+80℃
Reverse polarity protection
Built-in
Short-circuit protection
Built-in
Display
3-colour LED light strip
Protection class
IP67
Mechanical parameters
Shell material
Stainless steel
Probe material
304 stainless steel
Threaded connection
M18 x 1,5 internal thread
Withstand voltage level
100bar
Maximum torque of shell nut
30Nm
Electrical connections
M12 connector
Product Features &Benefits
Sentinel thermal flow sensor is designed for reliable liquid flow monitoring in industrial pipelines and cooling circuits. Based on the thermal conductivity principle, it detects flow changes without moving parts and provides a stable switching signal for flow status monitoring. With a stainless steel housing, adjustable switching point, 3-color LED status indication, and M12 connector, it offers a practical and easy-to-integrate solution for flow alarm and equipment protection applications.
Reliable Flow Monitoring
Reliable monitoring for water, oil, and cooling circuits
Thermal Detection Principle
Stable detection without moving parts
Stainless Steel Housing
Robust stainless steel design for reliable use in industrial liquid applications
Adjustable Switching Point
Set the required flow alarm point easily through the built-in potentiometer
3-Color LED Indication
Red, yellow, and green LED display helps operators check flow status at a glance
Easy Field Installation
M18×1.5 internal thread and M12 connector support quick installation and wiring
Datasheet PDF
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CAD
Download CAD files
Configuration File
Download Configuration File
Product overview
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Product Catalog
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Operation manual
Download Operation manual
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