Omega Products LV152 User Manual
SELF-CHECKING HIGH LEVEL INDICATOR
LV150 Series
Starts at
$
225
⻬ Manually “Press
to Check”
⻬ Adjustable Versions for
Various Tank Sizes
⻬ Standard 2 NPT Mounting
The LV150 Series high level
indicators provide a unique solution
for tank overfill indication requiring
self-checking. This indicator is
designed with a 2 NPT mounting,
making it ideal for use in
underground and aboveground
storage tanks. When mounted
vertically at the tank top, it reliably
indicates high liquid level.
To operate, simply press the brass
tube fitting down to perform the
self-check test. This manual
operation physically moves the
inner reed switch assembly while
the float remains stationary (wet or
dry). By doing this, the switch logic
is inverted, checking the integrity of
the circuitry without the need to
remove the unit from the tank.
Adjustable versions are available for
varying tank sizes. A special cinch
nut on the mounting allows the stem
to travel up or down to fine-tune
actuation points. The extent of the
adjustment depends on the unit’s
length and distance from the
mounting to the highest float stop.
The LV150 Series is offered in
integral one foot lengths. For other
lengths, adaptor systems are
available. They consist of 2 parts:
the LVR-C6S coupling
(2 x 2 FNPT) and an LVR-6S pipe
Buna Float
nipple (2 x 2 MNPT) of various
lengths to change the insertion
depth of the sensor. When using
the adaptors, retaining clip pliers
are required to remove the float
for installation.
SPECIFICATIONS
Wetted Materials:
Stem and Mounting: Brass or
316 stainless steel
Float: Buna or 316 stainless steel
Operating Temperature for Buna Floats:
Water: Up to 82.2ºC (180ºF)
Oil: -40 to 121.1ºC (-40 to 250ºF)
316 SS Floats: -40 to 148.9°C
(-40 to 300°F)
Pressure Limitations: Up to 150 PSIG for
Buna float units or when used with 316 SS
adaptors; up to 750 PSIG for 316 SS
float units.
Accuracy: ±3 mm (±
Switch Rating: 20 VA, 120-240 Vac pilot
duty; 20 W, 50-240 Vdc resistive
Cable: 24" 2 conductor PVC jacketed
Weight: 1
1
1
/4 lb for LVR-C6S
3
⁄4 lb + 1⁄3 lb/ft for indicators;
Actuation
Level
L1 ± 3 mm
(0.0625")
L0 ± 1.6 mm
(0.0625")
Length Overall
Dimensions: mm (in)
316 SS Float
1
⁄8")
Actuation
Level
63.5 (2) MIN
Adjustable Mount
Assembly cinch nut.
LV151,
$225.
LV151SS,
$390.
Both shown
smaller than
actual size.
50.8
46.0
(113⁄16)
47.6
7
(1
⁄8) DIA
Min. Liquid Specific Gravity: 0.55 Min. Liquid Specific Gravity: 0.75
(2)
53.3
(2
52.4
(21⁄16)
K-62a
3
⁄32)
Retaining Clip
(–)
(+)
321
321
(–)
(+)
321
Hazardous
Area
Non-Hazardous
Area
Black
Red
2-Conductor
Cable
NO Dry
or
NC Dry
DC
Power
Supply
Annunc.
Fuse
Hazardous
Area
Non-Hazardous
Area
Black
Red
2-Conductor
Cable
NO Dry
or
NC Dry
Fuse
Hazardous
Area
Non-Hazardous
Area
Black
Red
2-Conductor
Cable
NO Dry
or
NC Dry
DC
Power
Supply
Annunc.
Fuse*
Supply Barrier Sense
Resistor
Signal Return
Barrier
Hot Vac
Neutral Vac
Load
Typical Wiring Diagrams
See Note “D” below
LVR-6S Pipe
Nipples
See Note “E” below
See Note “F” below
Single I.S. RELAY
D: Non-isolated System-Zener Barrier
E: Isolated System-Zener Barrier
F: If two signal lines must be maintained above ground potential, an
INTRINSICALLY
SAFE RELAY
individual zener barrier is required per single line.
MOST POPULAR MODELS HIGHLIGHTED!
To Order (Specify Model No.)
Brass/Buna 316 SS
Std Mount Std Mount
Model No. Price Model No. Price “LO” Length
LV151 $225 LV151SS $390 1 ft
LV152 250 LV152SS 450 2 ft
LV153 275 LV153SS 525 3 ft
LV154 300 LV154SS 575 4 ft
LV155 325 LV155SS 650 5 ft
LV156 350 LV156SS 700 6 ft
Comes complete with operator’s manual.
For units with adjustable mount, add suffix “-A” to model number,
and $70 for brass units and $100 for 316 SS units.
Ordering Examples: LV151, “press to check” level switch with brass
construction a Buna float, adjustable mount and an “LO” length of
12", $225.
LV152SS, “press to check” level switch with all 316 SS construction
and an “LO” length of 24", $450.
LV156SS-A, “press to check” level switch with all 316 SS construction,
adjustable mount, and an “LO” length of 72", $700 + 100 = $800.
Accessory
Model No. Price Description
LVR-C6S $45 150 lb 316 SS coupling with
150 lb 316 SS Pipe Nipples
Model No.
LVR-6S4 $19
LVR-6S5 25 1 lb 5" LVR-6S9 42 2 lb 9"
LVR-6S6 27 1
Ordering Example: LVR-6S11, 316 SS, nipple and LVR-C6S, 316 SS coupling, $52 + 45 = $97.
This adaptor system will decrease overall insertion length by a nominal 11".
Price
Weight
3
lb 4" LVR-6S7 $31 1
⁄
4
1
lb 6" LVR-6S11 52 2
⁄
4
Mounting Types
2 x 2 FNPT
Insertion Insertion Insertion
Length Length Length
Change Model No. Price
K-62b
Standard
101.6
(4) Max
38.1
(11⁄2)Ref
Weight
Change Model No. Price
1
lb 7" LVR-6S13 $61 3 lb 13"
⁄
2
1
lb 11"
⁄
2
1
⁄4 NPT
PVC Cap
2 NPT
Adjustable Option
101.6
(4) Max
33.34
(15⁄16) Ref
38.1
(11⁄2)Ref
Dimensions: mm (in)
Weight
LVR-C6S
Coupling
1
⁄4 NPT
PVC Cap
Adjustment
Nut
2 NPT
Change
K
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