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CapaCitanCe Continuous
level MeasureMent
probes
LV3000/4000 Series
LV4021-24
shown smaller
than actual size.
U Can Operate at High
Temperatures and
Pressure
U Unaffected by
Coating Media
U Accurate and Reliable
Measurement
U Easy, Economical
Installation
U Rugged Construction
U No Moving Parts
U Compatible with Both
Conductive and
Non-Conductive Media
U Wide Range of
Applications/Industries
(e.g., Water, Oils,
Corrosives)
U
Sanitary Mount
Available
iSeries CNi16D33
controller shown smaller
than actual size.
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.
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B) Material buildup affects the
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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.
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SPECIFICATIONS
(LV3000 SERIES)
Accuracy: 0.5%
Repeatability: ±1 mm
Level Indication:
Bar graph, 0 to 1000%
Process Connection:
3
/
4 to 1
1
/
2 NPT, Tri-Grip
TM
or flange
Wetted Material: 316 SS or PTFE
Enclosure Material: Aluminum die cast
Maximum Pressure: 290 psi (20 bar)
Operating Temperature: -10 to 120ºC
(14 to 248ºF)
Class Protection:
LV3000: NEMA 4 (IP65)
LVCN410: IP40
Maximum Probe Length: 1.8 m (6')
Dimensions:
Aluminum Die-Cast Head:
89 W x 108 mm H (3.5 x 4
Diameter of Probe: 16 mm (
Electrical Connection: Cable gland
1
with
/
2 NPT conduit
Note: The LV3000 Series probes require a
LVCN400 Series controller.
1
/
4")
5
/
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
7
⁄8 x 43⁄8 x 43⁄8")
(2
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:
3
1
/
4 to 1
/
2 NPT, Tri-Grip or flange
Wetted Material: 316 SS or PTFE
Enclosure Material: Glass-filled nylon
or aluminum die cast
Maximum Pressure: 290 psi (20 bar)
Operating Temperature:
-10 to 120°C (14 to 248°F)
Class Protection: NEMA 4 (IP65)
Maximum 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 (
Electrical Connection:
Cable gland with
Note: The LV4000 Series probes require a
galvanic isolator, LI-420
1
/
2 NPT conduit
5
/
8")
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 V
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
3
1
/
4 x 4
3
/
8")
(1
/
4 x 3
eff
LI-420 shown
actual size.
LV4121-36 shown
smaller than actual size.
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To Order
Model No. Description of Capacitance Transmitter with 4 to 20 mA Output and Switch
LV4111-24 60 cm (24") long probe with 3⁄4 NPT connection, with PTFE sleeving and nylon head
LV4121-36 90 cm (36") long probe with 1 NPT connection, with PTFE sleeving and nylon head
LV4121-48 1.2 m (4') long probe with 1 NPT connection, with PTFE sleeving and nylon head
LV4121-60 1.5 m (5') long probe with 1 NPT connection, with PTFE sleeving and nylon head
LV3123-48-HT 1.2 m (4') long probe with 1 NPT connection, with high temperature PTFE sleeving and aluminum
LVCN411 24 Vdc powered controller with relay and 4 to 20 mA output for LV3000 Series only
LVCN412 115 Vac powered controller with relay and 4 to 20 mA output for LV3000 Series only
Accessories
Model No. Description
CNI16D33 ¹⁄₁₆ DIN dual display with two 3 A relays and 24 Vdc excitation
TX4-100 30 m (100') spool of 4-conductor wire
FPW-15 15 Vdc power supply
LI-420 Loop isolator (required for the LV4000 Series)
Custom Models Available
Model No. Description for Built to Order Unit
LV4XYZ-LENGTH (inches) Custom capacitance system, specify X, Y, Z from Options
LV3XYZ-LENGTH (inches) Custom remote capacitance system, requires LVCN410 Series remote electronics,
Specify all length in inches. Maximum length is 72" (6') for LV4000/LV3000.
die-cast head, 177°C (350°F); Remote electronics required LVCN410 Series
specify X, Y, Z from Options
Options
Ordering Suffix Description
X-Insulation Connection
0 316 SS rod
1 PTFE sleeve*
Y-Process Connection
1 ³⁄₄ NPT thread
2 1 NPT thread
3 1.5 NPT thread
4 1.5 Tri-Grip, sanitary
5 Flange 2” ANSI, 15016 316 SS
Others Please specify
Z-Enclosure
1 Glass-filled nylon with ¹⁄₂ NPT conduit entry and cable gland
2 LV4000 Aluminum die cast with ¹⁄₂ NPT conduit entry
3 LV4000 Aluminum die cast with cable gland entry
4 LV3000 Aluminum die cast with ¹⁄₂ NPT conduit entry
5 LV3000 Aluminum die cast with cable gland entry
Length of Rod (-LENGTH)
Specify Inches Length of rod
High Temp to 350ºF (-HT)
Add “-HT” to Model No. High temperature to 177°C (350°F)*
Comes with complete operator’s manual.
High temperature PTFE sleeving available for temperatures up to 200ºC (382ºF). For PTFE sleeving add suffix “HTPTFE” to model number, for
*
additional cost.
Ordering Examples: LV4111-24, 60 cm (24") level transmitter, CNi16D33, process controller, and TX4-100, multiconductor wire.
LV4121-36, 90 cm (36") level transmitter, FPW-15, power supply.
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