Capacitance Continuous Level Measurement Probes |
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Capacitance Continuous Level Measurement Probes and Switch
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Can Operate at High Temperatures and Pressure
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Unaffected by Coating Media or Aggressive Products
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Accurate and Reliable Measurement
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Easy Economical Installation
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Rugged Construction
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No Moving Parts
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Compatible with Both Conductive and Non-Conductive Media
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Wide Range of Applications/Industries (e.g., Water, Oils, Corrosives)
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View related products - Level Switches & Transmitters
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The LV3000/LV4000 Series
continuous level measurement
probes are flexible, cost-effective
solutions for applications involving
liquids, pastes, and some 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")
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† Price are shown in RMB.
Note: Comes complete with operator’s manual.
LV4000 Series length is not recommended below 24" due to dielectric strength.
For High Temperature PTFE Sleeving 200°C (392°F), add suffix "-HTPTFE" to model number, add $150 per unit and $660 per foot to price.
Ordering Example: (1) LV4111-24 60 cm (24, ¥11,795.00
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Part Number Builder |
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Option Descriptions
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(1)
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Capacitance System
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Select
4 for standard capacitance system
3 for remote capacitance system
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(2)
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Insulation Connection
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Select
0 for 316 SS rod
1 for ECTFE/ETFE sleeve
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(3)
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Process Connection
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Select
1 for 3/4 NPT thread
2 for 1 NPT thread
3 for 1.5 NPT thread
4 for 1.5 in Tri-Grip
5 for 2 in ANSI flange 15016 316 SS
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(4)
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Enclosure
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Select
1 for glass-filled nylon with 1/2 NPT conduit entry and cable gland
2 for aluminum die cast with 1/2 NPT conduit entry-LV4000
3 for aluminum die cast with cable gland entry-LV4000
4 for aluminum die cast with 1/2 NPT conduit entry-LV3000
5 for aluminum die cast with cable gland entry-LV3000
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(5)
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Length
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Select
L for length in inches -72 inches max
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NOTE: All combinations may not be valid, check spec sheet for valid part numbers.
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Related Links -
Manual
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Product Manual
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Download
LV4000 Series - Continuous Level Measurement Probes
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Download
LVCN410 and LV3000 Series - Continuous Level Measurement
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