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Step One

SPECIFICATIONS

40

30

 

20

 10

 00

-40

-20

00

20

40

60

80

Acceptable

Range

Unacceptable

Range

Temperature/Pressure Derating

Operating Pressure (psi)

Temperature (  C)

       12        16         20         24         28

Unacceptable

Range

Maximum Loop Resistance

Max. Series Resistance (Ohms)

Supply Voltage (VDC)

1,000

800

600

400

200

000

- Enhanced

Performance

- Specified

Performance

- Limited

Performance

4.1"

 (104 mm)

5.2"

 (133 mm)

3.8"

 (96 mm)

3.4" 

(88 mm)

5.5" 

(138 mm)

5.2"

 (133 mm)

4.0" 

(100 mm)

2.7" 

(69 mm)

2" NPT

(2" G)

Top View 

Range:

LVU816: 8” to 16.4’ (10 cm to 5 m)
LVU826: 8” to 26.2’ (20 cm to 8 m)
LVU832: 12” to 32.8’ (30 cm to 10 m)

Accuracy:

+/- 0.2% of span in air

Resolution:

LVU816: 0.039 (1 mm)
LVU826: 0.039 (1 mm)
LVU832: 0.078: (2 mm)

Beam width:

3” (7.6cm) dia.

Dead band

LVU816: 8” (10cm)
LVU826: 8” (20cm)
LVU832: 12” (30cm)

Display type:

LCD, 6-digit

Display units:

Inch, cm or percentage

Display mode:

Air gap or liquid height

Memory:

Non-volatile

Supply voltage:

12- 28 VDC

Loop resist,:

500 Ohms @ 24 VDC

Signal output:

4 - 20 mA, two -wire

Signal invert:

4-20 mA, 20-4 mA

Calibration: Push 

button

Fail-safety:

Selectable: 4 mA, 20 mA, 21 mA,
22 mA or hold last value

Process temp.:

F: -4° to 140°
C: -20° to 60°

Temp comp,:

Automatic

Electronics temp.: F: -40° to 160°

C: -40° to 71°

Pressure:

30 psi (2 bar) @ 25 °C., derated @ 
1.667 psi (113 bar) per °C, above 25 °C

Enclosure rating:  NEMA 4X (IP65)
Enclosure vent:

Water tight membrane

Encl. material: 

PC/ABS FR

Trans. material: 

PVDF

Process mount:

2” NPT (2” G)

Mount. gasket:

Viton®

Conduit entrance: Dual, 1/2” NPT
Classification:

General purpose

CE compliance:

EN 61326 EMC

SELECT / FAST

Button

D I S P L AY

U N I T S

TA N K

S A F E

T G C A L

VA L U E S

R U N

T O P   M E N U

Inches

Centimeters

Percentage

Display

Height (4 mA)

Fill H (20 mA)

Rev mA

Help

22 mA
21 mA
20 mA

4 mA

Hold

FULL

EMPTY

Help

To activate the top

menu, press and 

hold SELECT / FAST 

button for 5 seconds

SELECT

Display Units

SELECT

4-20 Span

SELECT

Fail-Safety

SELECT

Target-Cal

SELECT

Diagnostics

Setup

Diagnostics

Reset

H E L P

SELECT

Diagnostics

Contact

Side View 

Summary of Contents for LVU800 Series

Page 1: ...erial number of the product under warranty and 3 Repair instructions and or specific problems relative to the product FOR NON WARRANTY REPAIRS consult OMEGA for current repair charges Have the followi...

Page 2: ...volatile Supply voltage 12 28 VDC Loop resist 500 Ohms 24 VDC Signal output 4 20 mA two wire Signal invert 4 20 mA 20 4 mA Calibration Push button Fail safety Selectable 4 mA 20 mA 21 mA 22 mA or hold...

Page 3: ...ten the transmitter within the fitting Always check for leaks prior to system start up Wiring and Electrical A supply voltage loop power of 12 28 VDC is used to power the LVU800 series The sensor circ...

Page 4: ...Level has reached the programmed FULL set point C EMPTY Level has reached the programmed EMPTY set point D UNITS Selectable in Inches Centimeters or Percent The facto ry default is Inches E INCHES In...

Page 5: ...emo ry after depressing the SELECT FAST key DD ERROR Indicates that the new value has NOT been saved in memory after depressing the SELECT FAST or EXIT key EE RUN When displayed if the user depresses...

Page 6: ...R FILL H MinR E Change Display Mode To change the display to indicate the height of liquid follow the instructions below 1 Press the SELECT FAST button and hold it for 5 seconds until PROG appears 2 W...

Page 7: ...will rotate between HEIGHT FILL H and REV mA 3 When HEIGHT appears press the SELECT FAST button The display will show a decimal reading in the selected UNITS 4 Press the UP DOWN buttons to increase or...

Page 8: ...CT FAST button 3 The display will now rotate through 22mA 21mA 20mA 4mA and HOLD When you reach the desired setting press the SELECT FAST button to SAVE it You have successfully programmed the SAFE mo...

Page 9: ...0 cm in a 4 10 cm riser and 3 7 6 cm in a 2 5 cm riser 3 Bracket The LVM 30 bracket or equivalent can be used for open tank top installations against the side wall 4 Stand Pipe A stand pipe may be use...

Page 10: ...T FAST TROUBLESHOOTING Transmitter LVU816 LVU826 LVU832 4 mA Setting 16 4 5m 26 2 8m 32 8 10m 20 mA Setting 8 10 cm 8 20 cm 12 30 cm Factory Set Points Power Supply Power Supply 20 mA 4 mA mA 4 5 6 mA...

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