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K-35
NON-INVASIVE LEVEL SWITCH
LVUN-600 Series
Starts at
$
1150
Non-Invasive Design
Will Not Cause Fluid
Contamination
Sensor Not Affected
by Tubing and
Fluid/Opaqueness
High-Noise Immunity
to EMI/RFI
Clamp-On Sensor Works
on Pipes Up to 12.7 mm
(0.5") Thick, 30 cm (12")
Diameter
Immune to Coatings and
Sticky of Corrosive
Liquids
1 or 2 Sensors
With Alarm Relay
Per Sensor
The non-invasive LVUN-600 Series
monitors liquid levels at 1 or more
points through pipes or tubing of
various sizes, from 6.3 mm (0.25")
diameter tubing to 305 mm (12")
diameter pipe, with a wall thickness
of up to 0.5". The sensor simply
clamps on the thick-wall pipe or tube;
no alignment is necessary. The
sensor is small, allowing mounting
at almost any location, without
interrupting the process or requiring
the modification of the pipe or
vessel. It is ideal for high-pressure,
thick-wall tubing pipes or sight
glasses.
The LVUN-600 Series can handle a
variety of liquid types–from heavy to
light. It uses ultrasonic sound wave
propagation to generate electrical
signals that are converted to bursts
of ultrasonic energy. The ultrasonic
bursts are transmitted across the
liquid sensing gap of the sensor.
Upon receipt of a valid signal at the
receiver, the solid state electronics
generate a “data enable” condition
indicating that liquid is present. This
signal energizes a relay, triggering
an output condition.
SPECIFICATIONS
Repeatability: ±2 mm typical
Delay: 0.5 seconds
Input Power: 115 or 230 Vac, 50/60 Hz;
12 or 24 Vdc
Sensor Material: Epoxy
Temperature Range:
Sensor: -40 to 82°C (-40 to 180°F),
Electronics: -29 to 77°C
(-20 to 170°F) (consult factory for
higher temperature)
Housing: NEMA 7 standard
Cable: 3 m (10') coaxial cable standard
LVUN-601-1-1-3-10-0.25-1-3, $1150, shown smaller than actual size.
Product appearance may vary. Consult Flow Engineering.
Specify:
Pipe Material: ______________________
Pipe Thickness: ____________________
Pipe Outside Dia. ___________________
Length of Cable: ___________________
Clamp-on (non-invasive) sensor
Dimensions: mm (in)
ø = diameter
Page 2
K-36
K
To Order
(Specify Model Number)
Sensors/
Model No. Price Relays Description
LVUN-601-(A)-1-3-(D)-(E)-(F)-(G) Starts at 1
Select power (A), cable length (D), pipe thickness (E), pipe OD (F),
$1150
pipe material (G) and NEMA 7 enclosure
LVUN-602-(A)-2-3-(D)-(E)-(F)-(G) Starts at 2
Select power (A), cable length (D), pipe thickness (E), pipe OD (F),
1900
pipe material (G), and NEMA 7 enclosure
LVUN-601-1-1-3-10-SCH40-1"-3 1400 1
1" sensor, 115 Vac power, 3 m (10') cable for 1" OD plastic
schedule 40 pipe
Model No. Price Description
70A-1 $20 Continuous tone alarm
PSR-24L 60 24 Vdc regulated power supply
ES-2253 159 Reference Book: Wastewater Treatment
Comes complete with operator’s manual.
Ordering Examples: LVUN-601-3-1-3-10-SCH40-1"-2, 24 Vdc, 1" SCH40 carbon steel sensor with 3 m (10') cable and NEMA 7 enclosure,
$1150 + 250 = $1400.
LVUN-601-1-1-3-10-SCH40-1"-1, 1" SCH40 stainless steel pipe sensor, NEMA 7 explosion-proof enclosure, 3 m (10') cable, $1150 + 250 = $1400.
Accessories
Model No. Number of Sensors/Relays Relay Types
LVUN-601 1 5 A SPDT
LVUN-602 2 2 x 5 A SPDT
Ordering Options
AVAILABLE FOR FAST DELIVERY!
Ordering Suffix Additional Cost Description
A-Power
1N/C 115 Vac
2 $50 230 Vac
3N/C 24 Vdc
4N/C 12 Vdc
D-Cable Length
10' Standard 3 m (10')
XX $5/ft Specify length in feet (100' max)
E-Pipe Thickness
0.25 N/C
1
⁄
4
"
0.XX or SCHY N/C Specify pipe OD (from
1
⁄
4
to
1
⁄
2
") or pipe schedule
F-Pipe OD [mm (in)]
Specify Standard 6.4 to 19 mm (
1
⁄
4
to
3
⁄
4
") OD
Specify $250 For LVUN601 25.4 to 152.4 mm (1 to 6") OD
Specify 600 For LVUN602 25.4 to 152.4 mm (1 to 6") OD
G-Pipe Material mm (in)
1N/C Stainless steel
2N/C Carbon steel
3N/C CPVC, PVDF or plastic
4N/C Glass
CONTROL
UNIT
Glassround Tube
Or Jogler Type
Refractive
Type
Sight Glass
Liquid Level
LVUN-600
Page 3
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