CONDUCTIVITY LEVEL SWITCHES
LVCR-441-12, $558, shown
smaller than actual size.
LVCF/LVCR/LVCP Series
Starts at
$
234
LVCR units with removable
rods are available with varied
rod lengths for custom
applications. Consult Flow
Engineering for details.
Rods can also be shortened
in the field.
LVCN-201 relay, $225,
shown smaller
than actual size.
⻬ Easy to Install and Operate
⻬ Rugged Construction
⻬ Low Cost
⻬ Removable Rods
⻬ Up to 5 Points of Level
Control
⻬ Rods Can be
ECTFE/ETFE Coated
⻬ Available with 316 SS
Tri-Grip
TM
Sanitary, Flange,
or Threaded Connections
Models
⻬ LVCF (1-5) Fixed Rods
⻬ LVCR (1-5) Removable Rods
⻬ LVCP (1-5) Pendular
Electrodes
⻬ CLE-P Pendular Electrode
Without the Housing
⻬ LVCN-200 Series Controllers
OMEGA’s conductivity level
switches offer a wide range of
customized options to meet any
application’s needs. They are
designed to control the level of all
conductive mediums, offering up to
5 different points of level control.
Models are available with fixed rigid
rods, with removable rigid rods, or
with pendular electrodes attached
to the housing with cables. These
switches suit applications involving
both alarm point detection and on/off
pump valve control. Installation is
easy and operation is
maintenance-free.
The probes work through the
variation of the electrical resistance
between the reference electrode and
the level-control electrode.
Conductivity level switches detect
the level resistance when their
electrodes are covered by the
medium.
An electrically conductive tank wall
can be used as the reference
electrode. If the tank is made of
plastic, concrete, or any other nonconductive material, an additional
electrode is required as a reference.
The LVCF switches can
accommodate up to five 316 SS
fixed rods for 5 different levels of
control. The rods are isolated with a
TFE bushing and can be coated with
ECTFE/ETFE when the probe is
used with aggressive or sticky media
that cause buildup. The user can
easily modify operating levels in the
tank by cutting the length of the
electrodes. The LVCF switches are
rugged and compact and have no
moving parts. This makes them
reliable for controlling conductive
media as well as for high-pressure
applications.
K-X
LVCF models are compatible with
LVCN-200 Series controllers only.
The LVCR models offer the same
features as the LVCF, plus
removable 316 SS threaded rods
that make it possible to switch the
rods. Rods can be ordered
separately in longer length and can
then be custom cut. Removable
rods make the system more
versatile, easier to handle, and
more forgiving if the rod’s length is
cut incorrectly.
LVCR models are compatible with
LVCN-200 Series controllers only.
Along with the same features as the
rigid rod probes, LVCP pendular
probes can accommodate up to
5 model CLE-P electrodes. The
LVCP probes are ideal for deep
measurements in wells or large
tanks where long rods would be
impractical, but they work equally
well for shorter-length applications.
The electrodes are suspended from
PVC cables that allow for longer
lengths, as well as for different
applications and installations. LVCP
models are compatible with
LVCN-200 controllers.
LVCR Mounting Diagram
Minimum and maxium level
using an electrode as reference
Minimum and
maxium level
1 Level
The electrode model CLE-P is the
simplest version of all conductivity
probes. A small polypropylene
enclosure houses a 316 SS rod that
is attached to a PVC cable. This
option eliminates the need for a
process connection.
LVCN-200 Series conductive liquid
on/off level controllers are used to
power all level probes. The LVCN200 models are electronically
controlled devices that open and
close an electrical contact to effect
the operation of other devices in the
same, or another, electrical circuit.
The LVCN-201/202 models can
control the differential of minimum
and maximum level, with an
adjustment for sensitivity. The relay
has 1 reverse SPDT contact.
The LVCN-203/204 models control
2 independent levels and 2 reverse
SPDT contacts. They also include a
sensitivity adjustment.
The LVCN-200 Series is designed
so that multiple units can be used in
combination to provide a variety of
control functions, including multiple
alarms and on/off control for
alternating pumps.
Both models are available with
DIN rail sockets or with screws.
SPECIFICATIONS
(LVCF/LVCR/LVCP)
Electrical Connection: Cable gland
with ½ NPT conduit
Electrodes: Available in configurations
from 1 to 5 electrodes
Fixed Rod Length: 100 mm to 2 m
(3.9" to 6.5')
Pendular Cable Length: 500 mm
(19.7") to 20 m (65.6')
Enclosure: Glass filled nylon or die
cast aluminum; NEMA 4 (IP65)
Operating Ambient: -10 to 120°C
(14 to 248°F); 20 bar (290 psi) max
COMMON SPECIFICATIONS
(LVCN-200)
Power: 24 Vdc ±10%, 115 or 230 Vac
(50/60 Hz)
Sensitivity: 0.5 to 50 kΩ;
potentiometer adjust
Operating Ambient: -10 to 60°C
(14 to 140°F)
Enclosure: ABS; DIN rail mount or
screw attachment; IP40 protection
K-X
LVCP, shown
smaller than
actual size.
LVCP switches
are available with
varying cable
lengths to
monitor and
control different
fluid levels.
Cables may also
be shortened by
the user. Consult
Flow Engineering
for details.
LVCP Head
LVCP Probes
K
SPECIFICATIONS
(LVCN-201/202)
Application: Min and max
level control
Current: 2 VA max
Output: SPDT relay,
5 A @ 250 Vac
Time Delay: 0.1 to 5 sec,
adjustable
SPECIFICATIONS
(LVCN-203/204)
Application: Control of 2
different levels
Current: 3 VA max
Output: Dual SPDT relays,
5 A @ 250 Vac
Time Delay: 1 sec, fixed
44.5
(1.75)
111.1
(4.375)
82.6
(3.25)
88.9
(3.5)
6.35
(0.25)
63.5
(2.5)
22.3
(0.875)
133.4
(5.25)
LVCF Nylon Head
*
LVCP
LVCF-4
*Aluminum Head is 108 mm (41⁄4")
Dimensions: mm (in) ø = diameter
Application Point level of conductive liquids in tanks and pipes
Process
Connection NPT or BSP NPT or BSP NPT or BSP NPT or BSP 2" sanitary
Electrical Cable entry or 1⁄2 NPT conduit entry
Electrode 1 fixed rod 2 fixed rods 3 fixed rods 4 fixed rods 5 fixed rods
Length (L) Rod: 100 mm to 2 m (3.9" to 6.56')
Enclosure
Material
Temperature -10 to 120°C (14 to 248°F)
Max Pressure 290 psi (20 bar)
Class
Protection NEMA 4 (IP65)
LVCN-201, 202
1
⁄2 to 11⁄2
11⁄2" sanitary 11⁄2" sanitary 11⁄2" sanitary 2" sanitary or flange
or flange or flange or flange or flange
1 removable rod 2 removable rods 3 removable rods 4 removable rods 5 removable rods
1 pendular 2 pendular 3 pendular 4 pendular 5 pendular
by cable by cable by cable by cable by cable
Cable: 500 mm to 20 m (19.7" to 65.6')
Glass-filled nylon or aluminum die cast
3
⁄4 to 11⁄2 1 to 11⁄2 11⁄2
Front
View
LVCR-2
Side View
Inside Head of 3
Rod Controller
Inside Head of 5
Rod Controller
LVCN-203, 204
LVCN-200
Series
Application Control of Min Control of 2 Different
Operating 24 Vdc (±10%) or 24 Vdc (±10%) or
Voltage 115 or 230 Vac (50/60 Hz) 115 or 230 Vac (50/60 Hz)
Current Consumption 2 VA 3 VA
Sensitivity Adjustment 0.5 to 50 kΩ (potentiometer) 0.5 to 50 kΩ (potentiometer)
Output 5 A max, 250 Vac relay (SPDT) 5 A max, 250 Vac relay (2-SPDT)
Time Delay 0.1 to 5 seconds 1 second
Operating Temperature -10 to 60°C (14 to 140°F) -10 to 60°C (14 to 140°F)
Enclosure Material ABS ABS
Mounting DIN rail or screws DIN rail or screws
Class Protection IP40 IP40
and Max Level for Levels for Conductive
Conductive Level Probes Level Probes
K-X
MOST POPULAR MODELS HIGHLIGHTED!
To Order (Specify Model Number)
Model No. Price Description
LVCF-111-12-ETFE $300 Fixed rod conductivity level switch; one 12" rod,
nylon enclosure, ECTFE/ETFE coating
LVCF-231-24-ETFE 588 Fixed rod conductivity level switch; two 24" rods, 1 NPT process connection,
nylon enclosure, ECTFE/ETFE coating
LVCR-231-60 492 Removable rod conductivity level switch; two 60" rods, 1 NPT process connection,
nylon enclosure
LVCR-341-72 870 Removable rod conductivity level switch; three 72" rods, 1
connection, nylon enclosure
LVCP-121-96 276 Pendular rod conductivity level switch; one electrode, 96" cable,
3
NPT process connection, nylon enclosure
⁄
4
LVCP-231-96 348 Pendular rod conductivity level switch; two electrodes, 96" cables,
1 NPT process connection, nylon enclosur
LVCP-341-96 582 Pendular rod conductivity level switch; three electrodes, 96" cables,
1
1
NPT process connection, nylon enclosure
⁄
2
Switch Sensors
Model No. Price Description
LVCF-(A)(B)(C)-(D) $198 Custom fixed rod conductivity level switch; select number of rods (A),
LVCR-(A)(B)(C)-(D) 198 Custom removable rod conductivity level switch; Select number of rods
LVCP-(A)(B)(C)-(D) 198 Custom pendular conductivity level switch; Select number of electrodes
process connection (B), enclosure (C) and rod length in inches (D)
(A), process connection (B), enclosure (C) and rod length in inches (D)
(A), process connection (B), enclosure (C) and cable length in inches (D)
Ordering Options
Order Suffix Addl Price Description
A-Rods/Electrodes
1 N/C 1 rod/electrode; single point detection
2 N/C 2 rods/electrodes; min/max detection
3 12 3 rods/electrodes; 3-point detection
4 12 4 rods/electrodes; 4-point detection
5 36 5 rods/electrodes; 5-point detection
B-Process Connection
1 N/C
2 N/C
1
NPT thread (LVCF-1, LVCR-1, LVCP-1 only)
⁄
2
3
NPT thread (LVCF/LVCR/LVCP-1 or 2 only)
⁄
4
3 N/C 1 NPT thread (LVCF/LVCR/LVCP-1, 2 or 3 only)
4 $150 1
5 186
1
NPT thread (LVCF/LVCR/LVCP-1, 2, 3 or 4 only)
⁄
2
1.5" Tri-GripTM, sanitary (LVCF/LVCR-1, 2 or 3 only)
6 300 2" flange, ANSI, 316 SS (all models)
7 210
2" Tri-GripTM, sanitary (LVCF/LVCR-1, 2, 3 or 4 only)
C-Enclosure
1 $6 Glass filled nylon with
2 102 Aluminum die cast with
1
NPT conduit with cable gland
⁄
2
1
NPT conduit entry
⁄
2
3 108 Aluminum die cast with cable gland entry
D-Rod Length/Cable Length
Specify $30/ft/rod Fixed rod length (in) for LVCF
Specify 24/ft/rod Removable rod length (in) for LVCR
+ $24 per rod
Specify
48/electrode + 3/ft
Cable length (in) for LVCP
ETFE Coating
-ETFE $66/ft/rod ECTFE/ETFE coating for LVCF or LVCR rod sensors
Controllers
Model No. Price Description
LVCN-201 $225 Min/max level controller, 24 Vdc power
LVCN-202 235 Min/max level controller, 115 Vac power
LVCN-202-230VAC
LVCN-203 260
LVCN-204 270
LVCN-204-230VAC
Comes complete with operator’s manual.
Ordering Examples: LVCF-111-12-ETFE, 1 fixed rod, LVCN-202, controller, 70A-1,
alarm, $300 + 235 + 20 = $555. LVCP-231-96, 2 pendular electrode switch, LVCN-204,
controller, 70A-1, alarm, $348 + 270 + 20 = $638.
235
Level controller for 2 independent levels, 230 Vac power
Level controller for 2 independent levels, 24 Vdc power
Level controller for 2 independent levels, 115 Vac power
270 Min/max level controller, 230 Vac power
K-X
Accessories
Model No. Price Description
70A-1 $20 Continuous tone alarm
TX4-100 35 30.5 m (100') spool of
PSU-93
LVCR-(**) 48/ft Replacement rods for
ECLE-P 48 Electrode
Specify rod length (in inches): 12, 24, 36, 60.
**
1
NPT process connection,
⁄
2
1
NPT process
⁄
2
LVCR-441-12,
$558, shown
smaller than
actual size.
4-conductor wire
40
Unregulated power supply
LVCR Series
K
One Omega Drive | Stamford, CT 06907 | 1-888-TC-OMEGA (1-888-826-6342) | info@omega.com
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