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Capacitive rod probe for continuous level measurement
24" probe with 3/4" NPT connection, PTFE sleeving, and nylon head
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- Can Operate at High Temperatures and Pressure
- Unaffected by Coating Media or Aggressive Products
- Accurate and Reliable Measurement
- Easy Economical Installation
LV4111-24 Model Options
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*Highlighted options are not compatible. Please select a different combination.
Probe Length
Wetted Materials
Process Connection Type
Process Connection Size
Category
Media Type
Accuracy
Max Operating Pressure
Max Process Temperature
The LV3000/LV4000 level sensors for continuous level measurement are flexible, cost-effective solution for applications involving liquids, pastes, and solids. The built-in (one-piece) electronic module provides a 4 to 20 mA output (2-wire) signal that is proportional to the process level. Zero and span adjustment helps account for various media, tank dimensions, rod lengths, and positions of installation.
OMEGA™ offers these probes in several different models. The user must choose the probe that suits his or her application and install it in the proper location. When submerged, the probe must be able to produce enough capacitance variance. The probe’s success depends on these important factors:
A) Conductive materials can cause a short circuit between a bare stainless steel probe and the tank wall. For this situation, we recommend using PTFE sleeving on the rod surface.
B) Material buildup affects the accuracy of RF capacitive measurements. Additional adjustment to the probe’s sensitivity is therefore recommended.
Housings must be compatible with the requirements for hazardous, washdown, wet, or dusty environments. For explosion-proof environments, the housing may need to be certified. In addition, the active probe might need to be intrinsically safe or have an intrinsic safety barrier.
The electronic circuitry of the probe performs several functions, such as rectifying and filtering the incoming power, generating the radio frequency signal, and measuring the changes in current flow.
SPECIFICATIONS (LV3000 SERIES)
Accuracy: 0.5%
Repeatability: ±1 mm
Level Indication: Bar graph, 0 to 1000%
Process Connection: ¾ to 1½ NPT, tri-clamp or flange
Wetted Material: 316 SS or PTFE
Enclosure Material: Aluminum die cast
Max Pressure: 290 psi (20 bar)
Operating Temperature: -10 to 120°C (14 to 248°F)
Class Protection:
LV3000: NEMA 4 (IP65)
LVCN410: IP40
Max Probe Length: 1.8 m (6')
Dimensions:
Aluminum Die-Cast Head: 89 W x 108 mm H (3.5 x 4¼")
Diameter of Probe: 16 mm (5/8")
Electrical Connection: Cable gland with ½ NPT conduit
Note: The LV3000 Series probes require a LVCN400 Series controller.
SPECIFICATIONS (LV4000 SERIES)
Accuracy: 0.5%
Repeatability: ±1 mm
Operating Voltage: 12 to 30 Vdc
Adjustment: Zero and span (potentiometer)
Range of Sensitivity: 100 to 5500 pF
Frequency Oscillation: 400 kHz
Output: 4 to 20 mA (2-wire)
Process Connection: ¾ to 1½ NPT, tri-clamp or flange
Wetted Material: 316 SS or PTFE
Enclosure Material: Glass-filled nylon or aluminum die cast
Max Pressure: 290 psi (20 bar)
Operating Temperature: -10 to 120°C (14 to 248°F)
Class Protection: NEMA 4 (IP65)
Max Probe Length: 1.8 m (6')
Dimensions:
Nylon Head: 89 W x 64 mm H (3.5 x 2.5")
Aluminum Die-Cast Head: 89 W x 108 mm H (3.5 x 4.25")
Diameter of Probe: 16 mm (5⁄8")
Electrical Connection: Cable gland with ½ NPT conduit
Note: The LV4000 Series probes require a galvanic isolator, LI-420.
SPECIFICATIONS (LI-420)
Input Current from the Evaluation Instrument: 4 to 20 mA
Input Voltage: 22 to 24 Vdc
Output Current: 4 to 20 mA
Output Voltage to the Transducer at 20 mA: 12.5 V
Output Voltage to the Transducer at 4 mA: 15.5 V
Resistance per Conductor: 15 Ω
Testing Voltage Input/output circuit: 2000 Veff
Domestic Current Demand: 300 ±60 µA
Ambient Temperature: -20 to 70°C (-4 to 158°F)
Enclosure Dimensions: 44 W x 82 H x 110 mm L (1¾ x 3¼ x 43⁄8)
SPECIFICATIONS (LVCN410 SERIES)
Operating Voltage: 24 Vdc, 110 or 240 Vac (50/60 Hz)
Current Consumption: 4 mA
Adjustment: Zero and span (potentiometer) and 2 switch point (potentiometer)
Range of Sensitivity: 50 to 1000 pF
Output: 4 to 20 mA and 2-relay SPDT
LVCN411/LVCN412: 73 W x 110 H x 110 mm L (27⁄8 x 43⁄8 x 43⁄8")
OMEGA™ offers these probes in several different models. The user must choose the probe that suits his or her application and install it in the proper location. When submerged, the probe must be able to produce enough capacitance variance. The probe’s success depends on these important factors:
A) Conductive materials can cause a short circuit between a bare stainless steel probe and the tank wall. For this situation, we recommend using PTFE sleeving on the rod surface.
B) Material buildup affects the accuracy of RF capacitive measurements. Additional adjustment to the probe’s sensitivity is therefore recommended.
Housings must be compatible with the requirements for hazardous, washdown, wet, or dusty environments. For explosion-proof environments, the housing may need to be certified. In addition, the active probe might need to be intrinsically safe or have an intrinsic safety barrier.
The electronic circuitry of the probe performs several functions, such as rectifying and filtering the incoming power, generating the radio frequency signal, and measuring the changes in current flow.
SPECIFICATIONS (LV3000 SERIES)
Accuracy: 0.5%
Repeatability: ±1 mm
Level Indication: Bar graph, 0 to 1000%
Process Connection: ¾ to 1½ NPT, tri-clamp or flange
Wetted Material: 316 SS or PTFE
Enclosure Material: Aluminum die cast
Max Pressure: 290 psi (20 bar)
Operating Temperature: -10 to 120°C (14 to 248°F)
Class Protection:
LV3000: NEMA 4 (IP65)
LVCN410: IP40
Max Probe Length: 1.8 m (6')
Dimensions:
Aluminum Die-Cast Head: 89 W x 108 mm H (3.5 x 4¼")
Diameter of Probe: 16 mm (5/8")
Electrical Connection: Cable gland with ½ NPT conduit
Note: The LV3000 Series probes require a LVCN400 Series controller.
SPECIFICATIONS (LV4000 SERIES)
Accuracy: 0.5%
Repeatability: ±1 mm
Operating Voltage: 12 to 30 Vdc
Adjustment: Zero and span (potentiometer)
Range of Sensitivity: 100 to 5500 pF
Frequency Oscillation: 400 kHz
Output: 4 to 20 mA (2-wire)
Process Connection: ¾ to 1½ NPT, tri-clamp or flange
Wetted Material: 316 SS or PTFE
Enclosure Material: Glass-filled nylon or aluminum die cast
Max Pressure: 290 psi (20 bar)
Operating Temperature: -10 to 120°C (14 to 248°F)
Class Protection: NEMA 4 (IP65)
Max Probe Length: 1.8 m (6')
Dimensions:
Nylon Head: 89 W x 64 mm H (3.5 x 2.5")
Aluminum Die-Cast Head: 89 W x 108 mm H (3.5 x 4.25")
Diameter of Probe: 16 mm (5⁄8")
Electrical Connection: Cable gland with ½ NPT conduit
Note: The LV4000 Series probes require a galvanic isolator, LI-420.
SPECIFICATIONS (LI-420)
Input Current from the Evaluation Instrument: 4 to 20 mA
Input Voltage: 22 to 24 Vdc
Output Current: 4 to 20 mA
Output Voltage to the Transducer at 20 mA: 12.5 V
Output Voltage to the Transducer at 4 mA: 15.5 V
Resistance per Conductor: 15 Ω
Testing Voltage Input/output circuit: 2000 Veff
Domestic Current Demand: 300 ±60 µA
Ambient Temperature: -20 to 70°C (-4 to 158°F)
Enclosure Dimensions: 44 W x 82 H x 110 mm L (1¾ x 3¼ x 43⁄8)
SPECIFICATIONS (LVCN410 SERIES)
Operating Voltage: 24 Vdc, 110 or 240 Vac (50/60 Hz)
Current Consumption: 4 mA
Adjustment: Zero and span (potentiometer) and 2 switch point (potentiometer)
Range of Sensitivity: 50 to 1000 pF
Output: 4 to 20 mA and 2-relay SPDT
LVCN411/LVCN412: 73 W x 110 H x 110 mm L (27⁄8 x 43⁄8 x 43⁄8")
What is the current draw of this device?
Thank you for your inquiry. The current draw for the level sensor along with the galvanic isolator which is recommended is 300 ±60 μA
Date published: 2023-11-07
Do you have a version of this that is rated for hazardous locations (Class I Div II or similar ATEX rating)?
Thank you for your inquiry about the capacitance probe. Unfortunately, Omega does not have a version rated for hazardous applications. You may conduct a search thru Thomasnet.com and see if there are other manufacturers that have this type of product available for your application.
Date published: 2022-05-12
Can it work in Liquid Propane Gas? If so, is there any risk of doing so?
Thank you for your inquiry. Unfortunately, it is not recommended to use for gases, only for liquids.
Date published: 2023-10-04