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International Express（DHL/FEDEX/TNT/UPS/ARAMEX）/Sea Freight / Air Freight / International Special Line
Freight Charge
For Industrial Equipment (E.G., PLC Modules, Inverters..), Shipping Cost Varies By Package Weight/Volume And Delivery Location. Contact Our Sales Team For A Customized Shipping Solution And Quote
International Express（DHL/FEDEX/TNT/UPS/ARAMEX）/Sea Freight / Air Freight / International Special Line
Freight Charge
For Industrial Equipment (E.G., PLC Modules, Inverters..), Shipping Cost Varies By Package Weight/Volume And Delivery Location. Contact Our Sales Team For A Customized Shipping Solution And Quote
High Precision Anti-Interference Non-Contact Level Sensor for Chemical & Food Industry
Level Sensor - High Precision Non-Contact Detection
Level Sensor delivers high-precision non-contact liquid level detection with strong anti-interference performance, ideal for chemical processing and food production. It maintains stable measurement accuracy even in harsh environments with foam, vapor, turbulence, or corrosive media, eliminating false alarms and ensuring consistent process control. The non-contact design prevents contamination and wear, supporting hygienic standards in food and beverage applications while extending service life in chemical tanks.
Key Features & Benefits
High Precision & Anti-Interference: Guided pulse/radar technology delivers ±0.1%FS accuracy, immune to foam, vapor, turbulence, and build-up
Non-Contact & Wear-Free: Prevents contamination and wear, ideal for hygienic food and corrosive chemical applications
Wide Media Compatibility: Works with water, oil, chemicals, and viscous liquids; withstands high temperature, pressure, and corrosion with IP67/68 protection
Easy Setup & Smart Output: One-click calibration with no frequent recalibration; supports 4-20mA, IO-Link, NPN/PNP for easy automation integration
Long Range & Hygienic Design: 0-20m measurement range; crevice-free design for food/pharma CIP/SIP and remote tank monitoring
FR Series Radar Level Sensors
Short Range Models
Model
Measuring Range
Accuracy
Protection Level
Output Signal
Target Industries
FR-S01 (Standard)
Up to 1.5 m
±1-20mm depending on range
IP67
4-20mA, IO-Link, NPN/PNP
General industrial tanks, small chemical/food vessels
FR-SH01 (Compact Chemical)
Up to 20 m
±1-10mm depending on range
IP67, NEMA4X
NPN/PNP, 4-20mA
Corrosive chemical tanks, industrial liquid storage
Long Range Models
Model
Measuring Range
Protection Level/Certification
Output Signal
Wetted Materials
Target Industries
FR-LM20 (Standard)
Up to 20 m
IP67, IP69K
4-20mA, IO-Link
PTFE lens, FKM seal, SUS304 joint
Large industrial tanks, outdoor storage
FR-LP20 (Chemical Resistant)
Up to 20 m
IP67, NEMA4X
4-20mA, IO-Link
Chemical-resistant PPS housing
Strong acids/alkalis, solvents, corrosive fluids
FR-LS20 (Sanitary)
Up to 20 m
IP67; SIP-compatible
4-20mA, IO-Link
SUS316L, PTFE, EPDM (crevice-free)
Food, beverage, pharmaceutical, biotech
FR-LEX20 (Explosion-proof)
Up to 20 m
ATEX/IECEx certified
4-20mA, IO-Link
PTFE lens, FKM seal, SUS304 joint
Hazardous areas, chemical plants, oil & gas
FL Series Guided Pulse Level Sensors
Model Series
Measuring Range
Accuracy
Output Signal
Wetted Materials
Target Industries
FL-001 (Basic)
0-2 m
±0.1% FS
4-20mA, NPN/PNP
PTFE, SUS304
General industrial, machine tools
FL-CP Series
0-2 m
±0.1% FS
4-20mA, NPN/PNP
PTFE coating, corrosion-resistant
Chemical, petrochemical, plating
FL-P Series (Sanitary)
0-2 m
±0.1% FS
4-20mA, NPN/PNP
SUS316L, crevice-free
Food, beverage, pharmaceutical
Notes: L-suffix models are long-range variants with identical specifications but different mounting options. All models meet CE, UL standards; explosion-proof models are ATEX/IECEx certified; sanitary models comply with 3A/DIN11864 standards.
Frequently Asked Questions
Can it measure liquids with foam or bubbles?
Yes. KEYENCE level sensors use guided-wave/radar technology that penetrates foam, vapor, and bubbles without false triggering, ensuring stable readings even with heavy foam.
Can it be used with corrosive chemicals?
Most models use PTFE or corrosion-resistant materials for wetted parts, suitable for acids, alkalis, solvents, and other corrosive liquids. Confirm material compatibility with your specific media.
Is it suitable for food/hygienic applications?
Yes. Hygienic/sanitary versions are available, crevice-free and easy to clean, compliant with food and pharmaceutical standards for tanks, dosing, and CIP/SIP processes.
How accurate is it?
Typically ±0.1% FS with resolution down to 1 mm. Stable even in high-temperature, high-pressure, or turbulent conditions.
Do I need to calibrate it often?
No. Most models only require one-time setup/calibration and remain stable long-term without frequent recalibration.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter
Ecer Certification：
Verified Supplier
About Us: Beyond Components, We Deliver Certainty
Shanghai Fradwell Industrial Automation Co., Ltd — Your Trusted Partner in Industrial Automation.
With over two decades of industry expertise, we have evolved from a traditional supplier into a one-stop integrated solutions provider f...
About Us: Beyond Components, We Deliver Certainty
Shanghai Fradwell Industrial Automation Co., Ltd — Your Trusted Partner in Industrial Automation.
With over two decades of industry expertise, we have evolved from a traditional supplier into a one-stop integrated solutions provider f...
