Module：PLSX-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
- M18x1.5 internal thread
- IP67 Protection
- Switching point adjustable via potentiometer
- 3-wire DC ,PNP NO output
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Full Technical Specification
Specification
Value
Electrical parameters
Mounting conditions
insertion style sensor
Application
liquid
Operating range
water: 1...150cm/s, Oil: 3...300cm/s
Operating voltage
24V±20%
Rated operational current
≤400mA
Current consumption
≤60mA
Output function
PNP,NO contact
Sand-by times
<8s
Switch on/off time
<2s
Response time
max.12s
Maximum temperature gradient
250K/min
Liquid medium temperature
-20 to 80℃
Short-circuit protection
yes
Reverse polarity protection
yes
Display
3-color LED chain
Protection classification
IP67
Mechanical parameter
Plastic housing
PBT,yellow
Sensor material
stainless steel(S304)
Thread connection
internal thread M18 x 1.5
Pressure resistance
100bar
Max.tightening torque housing nut
30Nm
Connection
4-pin,M12x1 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 an 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 Liquid Flow Monitoring
Reliable monitoring for water, oil, and cooling circuits
Thermal Conductivity Principle
Stable flow detection based on thermal conductivity
Internal thread M18 x 1.5
internal thread M18 x 1.5 for direct pipeline installation
PNP Normally Open Output
PNP NO switching signal for PLC and control systems
Adjustable Switching Poin
Set the required flow alarm point through the built-in potentiometer
M12 Connector & LED Indication
M12x1 connector and LED strip help operators check flow status quickly
Datasheet PDF
Download Product Datasheet
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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