Module：LTH-G1/2N-LI6D-SC/Lxxx
IO-Link Liquid Level Sensor
Integrating dual monitoring of liquid level and temperature, using magnetic resistance liquid level detection+PT1000 temperature element, supporting IO-Link communication protocol, making it easy to connect to various industrial control systems.
- IO-Link
- liquid level/temperature
- IP65 Protection
- Switching signal/analog signal
- switching signal/IO-Link can be set
- The display panel adopts an integrated housing
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Full Technical Specification
Specification
Value
Temperature parameters
Measuring range
-50℃ - 150℃
Interface type
M12, A-coded, 4-pin
Measuring element
PT1000
Temperature measurement accuracy
0.5℃
Liquid level parameters
Measuring range
40-(Lxxx-40) mm
Interface type
M12, A-coded, 4-pin
Measuring element
Magnetic resistance
Measurement accuracy
5mm (only for L250 and L500, other customized length accuracy is 10mm)
Float material
NBR 17.5x25mm
Output parameters
OUT1 Signal
Temperature switching signal or IO-Link (automatic wake-up)
OUT2 Signal
Liquid level switching signal or liquid level 4 20mA or 20-4mA
Switching signal output type
NPN/PNP/Push-Pull, NO/NC, Hysteresis/Window programmable
Switching signal output current
250mA
Switch point SP1 setting range
-49.8℃-150℃
Release point rP1 setting range
-50℃-149.8℃
Switch point SP2 setting range
45mm - (Lxxx-40)mm
Release point rP2 setting range
40mm - (SP2-5)mm
Temperature switching signal output resolution
0.1°C
Analog signal output maximum load
500Ω
Analog signal output accuracy
0.5%F.S
Minimum interval between analog start and end points
50mm
IO-Link
V1.1
Protection level
IP65
Product Features &Benefits
Sentinel smart liquid level sensors combine liquid level detection, temperature monitoring, and IO-Link communication in one compact device. They provide reliable process data for tanks, reservoirs, and industrial liquid systems, while supporting flexible output options, remote parameter setting, and easy on-site reading through a rotatable digital display.
Lxxx customization range：
L250 and L500 are standard products, and the remaining customized lengths start from 250mm Start to increase exponentially in units of 40mm, such as 290, 330, 370… When it exceeds 500mm, it will be multiplied by 40mm starting from 500mm. increasing, such as 540, 580, 620…
Reliable Level Detection
Monitor liquid level changes clearly and consistently in industrial tanks
Level + Temperature in One
Measure liquid level and medium temperature in one compact sensor
Smart IO-Link Integration
Read process data, adjust parameters, and simplify maintenance through IO-Link
Easy On-Site Reading
4-digit digital display with rotatable housing for flexible viewing angles
Configurable Outputs
Analog, switching, PNP/NPN, push-pull, and IO-Link options for different PLC systems
Industrial Installation Design
Stainless steel probe, G1/2 thread, and M12 connection for field applications
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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