LFT3019 Small-Diameter Level Transmitter

PRODUCT FEATURES

Ultra-slim 19 mm diameter for easy installation
High-accuracy level measurement,up to±0.1%F.S.
Temperature compensation for excellent stability
Fully welded construction
Wide measurement range:1 to 350 meters
Dual anti-condensation and moisture-proof design
Multi-layer sealing and protection,IP68-rated

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Description

Specification

Product Selection

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Description

The LFT3019 Small-Diameter Level Transmitter features afully sealed submersible structure and uses a high-quality,high-stability pressure sensor as its sensing element.Its slender 19 mm probe makes it ideal for narrow openings andis widely used for measuring the level and depth of water and wastewater in:Groundwater monitoring;Deep wells;Liftstations;Surface tanks;Storage reservoirs.
The housing is fully welded,and all connection points(housing,cable,etc.)are sealed with multi-layer protection.Internal components are potted to ensure long service life and reliable performance in:Water treatment;Industrialprocess control;Environmental monitoring.

Specification

Measurement Range①
Measurement Range	0～1…350mH₂O
Overload Pressure	1.5×full scale
Media
Type	Liquids compatible with wetted materials
Output Signal&Power Supply
Output Signal & Power Supply	2-wire:4~20mA/Vs=10~30VDC
	3-wire:0~10V/Vs=12~30VDC
	3-wire:0～5V/Vs=10～30VDC
	3-wire:0.25~1.25、0.5～2.5V/Vs=2.8~5.5VDC
	4-wire:Modbus-RTU/RS485 /Vs=10~30V
Performance
Accuracy②	±0.25%F.S. (Standard Accuracy)
Accuracy②	±0.1%F.S. (High Accuracy)
Long-Term Stability	±0.2%F.S./year(Standard Accuracy),±0.1%F.S./year(High Accuracy)
Response Time	approx.1 ms
Compensation Temp
Compensation Range	0~70℃(Standard Accuracy)
	-20~85℃(High Accuracy)
	Note:For a range of ≤20kPa,please consult.
Zero Temp Drift	±1.0%F.S.@35℃(≤35kPa:±1.5%F.S.,0~70℃)
Span Temp Drift	±1.0%F.S.@35℃(≤35kPa:±1.5%F.S.,0~70℃)

Note①:Units can be converted to fH₂O@4°℃,inH₂O@4℃,m,mm,etc.For m/mm units,specify the medium’s density value.

Note②:Accuracy conforms to IEC 60770(non-linearity,hysteresis,repeatability).

Environmental Conditions
Temperature Range	Operating Temp:-40~80℃
	Media Temp:-40~80℃
	Storage Temp:-40~85℃
Protection Rating	IP68
Electrical Protection
Reverse Polarity	Protected (no damage,circuit inactive)
Mechanical Stability
Vibration	20g(20~5000Hz)
Shock Resistance	20g(11ms)
Insulation Performance
Insulation Resistance	>100MΩ,500VDC
Dielectric Strength	500VAC,50Hz,1min(no breakdown or arcing)

CONSTRUCTION MATERIAL

Component	Material
Probe Housing	304
Probe Housing	316L
Sensor	Silicon Piezoresistive,316L Stainless Steel
O-Ring	FKM(-20 to 200℃)
O-Ring	NBR(-40 to 120℃)
Cable	PU Ø7.2±0.2mm
Cable	NBR,Q7.2±0.2mm

Product Selection

Code &Description									Remark
LFT3019	Small-diameter level transmitter								Type
	Range	0~3mH₂O 0~10kPa…3.5MPa							Pressure Range
		0.25	±0.25%F.S						Accuracy
		0.1	±0.1%F.S
			A4	4～20mA					Output
			V10	0～10VDC
			V05	0~5VDC
			M	RS485
				1	NBR				Cable
				2	PU
					1	304			Probe
					2	316L
						1	FKM		Seal
						2	FFKM
							10	10米	Cable Length

LFT30193.5MPa 0.1 A4 1 1 2 10									Example Model

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Please carefully inspect the following products ordered from LEFOO when you receive them.If you do not meet your reservation requirements or find that the products have surface quality problems,please take photos and contact the sales engineer who served you.Once this kind of product is signed,within 7 days,the LEFOO product will maintain the original quality and function when it was sold,and the product itself,accessories,and trademark logos are complete,and you can return the product without reason.Within 30 days,accept the return application due to quality reasons.

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