Omega LVE951/952 & LVE951-B Owner's manual

LVE 951/952 & 951-B

Electro-Optic Level Switch

M-5173/1112

Max Ambient Light

Black Container Opaque Container

390 FT-CD 30 FT-CD

Note:

Above testing is based on minimum readings

of at least two (2) samples.

The test depicted to the left was performed to

determine the sensor immunity level to

ambient light. The recorded ambient is the

maximum level at which the sensor performs/

Installation:

1. F o r N P T t h r e a d e d u n i t s :

a. Use Tefl on (T F E ) th r ead ta p e or Pe r m a t e x #80 7 2 5 pl a s t i c pi pe

seal an t to s e a l thre a d. Caution: Pi pe se a l a n t m u s t no t c o m e in co n -

tac t w i t h p r i s m s urface .

b. Thread s e ns o r into ta nk wall a n d ti gh t e n by h a n d. Fu rt h e r ti ghten

an ad d i t i o n a l on e to t wo t h r e a ds pa s t h a n d -t i g h t n e s s . (A v o i d over-

tight e n i n g , as t h i s m ay d a m a g e thread s . )

2. F o r M1 2 st r a i g h t t hr e a d e d un i ts :

a. Thr e a d s en s or i n t o tank wal l by h an d until s e n s o r housin g con-

tac t s t ank wall surf a c e . ( Se e be l o w for ma t i n g o -ri ng gl a n d des ig n

infor m at i o n . )

b. T he s e n s o r s h a l l b e t o r q u e ti g h t e n e d t o 12 t o 2 4 i n -lb ( 1 . 4 t o 2 . 7

N-m). T h i s r a nge is sl i g h t l y m o r e t h a n “ha n d - t i g h t ” t o i n s ur e s e al i ng ,

an d l e s s t h an t h at which woul d ca u s e h o us i n g o r t h r ea d d a m ag e.

c. C A U T ION: U n d e r no ci r c um s t a n c e s shall t h e s e n s o r be t i g h t e n e d

more than 1/6 t u r n be y on d tha t required to s e at t h e bott o m of the

sens o r h ou s i n g wi th t h e o ut s i d e wall of t h e t a nk .

3. S en s o r m a y b e i ns t al l e d i n horizontal or up t o 4 5° f ro m h o ri zo n t a l

pl an e for b e s t o p e r a t i o n. V e r t i c al m ou n t i n g i s p oss i b l e , m a y b e d r oplet s e n s i t i v e ,

de p e n di n g o n v i s c o s i t y of m e d i a .

4. Ca uti on: D o no t i ns t a l l sens o r c l os e to i nfra r e d s o ur c e s or i nc a n desce n t light.

Reflective surfa c es ma y i nt e r f e re wi t h pr o pe r o p e r a t i o n o f t he o p t i ca l

sens o r . ( C o ns u l t O m eg a i f p ri s m is to be m ou n t e d l e s s t h a n 2” f r o m a n y reflective

surf a c e . )

5. C on n ect v o l t a g e s u p p l y (Vdc + 10% ) B e t we en r e d ( + ) an d b l a ck ( -) o f u n i t .

Cauti on : D o no t c on n e c t o ut p ut ( b l u e wi re) t o V d c p ow e r witho u t a l o a d .

See wi r i n g d i a g ra m s f o r o ut p u t c o n f i g u r a ti o n .

This pr o d u c t compli es with E N6 13 2 6 Electrical Eq ui p m e n t for Me a s u re m e n t , Con -

tro l a n d L a bo r a t o r y u s e - E MC R e q u i r e m e n t s f o r Mi n i m um R e q u i r em en t s and Ind u s -

tri al L o c a t i o ns .

Special cauti on s h o u l d b e t a k en t o m e e t E N 6 1 0 0 0 - 4 - 5 S u r g e Im m u n i t y if an y of

the fo l l owi n g co nd i t i o n s appl y to t h e i ns t a l l a t i o n: The pr o du c t is i n s t a l l e d ou t s i d e;

the cable i s gre a t e r th a n 30 m et er s in lengt h . In o r d e r to m ee t the S u r ge Im m un i t y

re q u i r e m en t s , t h e f o l l o wi n g c o n d i t i on s m u s t b e f o l l o we d d u ri ng i ns t a l l a t i o n :

1. Shielded c a bl e mus t be us e d , an d the shiel d must b e ti ed to e a r t h grou n d (not

po we r s uppl y gro u nd) on at le ast on e e n d o f the c a bl e shie l d / d rain wire. T he

shield must be mai ntaine d a l l t h e w a y from s enso r t o t h e p o we r su p p l y.

2. If unshiel d e d cable is use d , an ea r t h groun d ed metal co nd u i t can be used to

re p l a c e t he s h i e l d ed c a b l e.

3. Fo r th e se n s or wit h metal bod y or enc lo s u r e th e bod y/ e n c l o s u r e mus t be

gr o u n de d to e ar t h . If a protectiv e m e t a l housing i s used, t h e m e ta l housing s h o ul d

be g r o un d e d t o e ar t h.

4. If a pr ot e c t i v e plastic h ou s i n g is u s e d , the ho u s i ng mus t be able t o wi t hs t a n d at

least 2 k V from the hous i ng to e a r t h g r o u n d.

Mainten an c e: Sens o r ma y re q uire a pe r i od i c cle ani ng of prism surfac e. Chlorin a t -

ed hyd ro c a rb o n s must n ot be u s e d fo r cl e a ni n g . A mi ld de t e rg e n t ma y b e used to

clean p r i s m s u r f a c e.

Dimensions

LVE-951/952 LVE-951/952-M2 LVE-951-B

Electrical Termination: Lead Wires, 22 AWG, TPE Jacketed, 6” to 8” Extended

Specifications

LVE-951/952 LVE-951B

Materials:

Housing and Prism

Polysulfone

Nickel plated brass

body with glass prism

Operating Pressure 0 to 250 psig, (0 to 17 bar) Max

Operating Temperature -40°F to 230°F (-40°C to 110°C)

Input Voltage 12 VDC ±10%

Current Consumption 12V ~10mA No Load

Output Configuration Open drain may sink 40 mA max.

Repeatability ±1 mm

Ambient Light

Immunity See Ambient Light Test

Approvals C.E. 61326

Note: Not for use in freezing liquids.

Actuation Condition 1/4” NPT M12x1-8

Wet LVE-951 LVE-951-M12

Dry LVE-952 LVE-952-M12

Wet LVE-951-B N/A

Mating O-Ring Gland Design

M12 x 1 Straight Thread

Omega LVE951/952 & LVE951-B Owner's manual

Omega LVE951/952 & LVE951-B Owner's manual

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