powder and bulk level sensors

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Powder & Bulk Level Sensors The materials included in this compilation are for the use of Dwyer Instruments, Inc. potential customers and current employees as a resource only. They may not be reproduced, published, or transmitted electronically for commercial purposes. Furthermore, the Company’s name, likeness, product names, and logos, included within these compilations may not be used without specific, written prior permission from Dwyer Instruments, Inc. ©Copyright 2014 Dwyer Instruments, Inc.

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Page 1: Powder and Bulk Level Sensors

Powder & Bulk Level Sensors

T h e m a t e r i a l s i n c l u d e d i n t h i s c o m p i l a t i o n a r e f o r t h e u s e o f D w y e r I n s t r u m e n t s , I n c .

p o t e n t i a l c u s t o m e r s a n d c u r r e n t e m p l o y e e s a s a r e s o u r c e o n l y . T h e y m a y n o t b e

r e p r o d u c e d , p u b l i s h e d , o r t r a n s m i t t e d e l e c t r o n i c a l l y f o r c o m m e r c i a l p u r p o s e s .

F u r t h e r m o r e , t h e C o m p a n y ’ s n a m e , l i k e n e s s , p r o d u c t n a m e s , a n d l o g o s , i n c l u d e d w i t h i n

t h e s e c o m p i l a t i o n s m a y n o t b e u s e d w i t h o u t s p e c i f i c , w r i t t e n p r i o r p e r m i s s i o n f r o m D w y e r

I n s t r u m e n t s , I n c . © C o p y r i g h t 2 0 1 4 D w y e r I n s t r u m e n t s , I n c .

Page 2: Powder and Bulk Level Sensors

Overview

D B O B – C o n t i n u o u s L e v e l M e a s u r i n g S y s t e m

F C L S – F l u s h C a p a c i t a n c e L e v e l S w i t c h

P L S 2 – P a d d l e L e v e l S w i t c h

V R L S – V i b r a t i n g R o d L e v e l S w i t c h

T F L S 2 – C o m p a c t Tu n i n g F o r k L e v e l S w i t c h

C T F – M i n i Tu n i n g F o r k L e v e l S w i t c h

Page 3: Powder and Bulk Level Sensors

DBOB

C o n t i n u o u s m e a s u r e m e n t o f l e v e l o r

v o l u m e i n s i l o s , t a n k s , o r h o p p e r s

U s e r p r o g r a m m a b l e t o o u t p u t e i t h e r a

h e i g h t s i g n a l o r a v o l u m e t r i c s i g n a l

b a s e d o n t h e v e s s e l g e o m e t r y

F l a t t a p e l i n e l i m i t s t a n g l e s a n d

m a t e r i a l b u i l d i n g i n h o u s i n g

Tw o p r o g r a m m a b l e r e l a y s

I n t r o d u c t i o n

Page 4: Powder and Bulk Level Sensors

DBOB

W e t t e d M a t e r i a l s :

G F M - 1 X X X : A n o d i z e d a l u m i n u m , b r a s s , a n d f l u o r o e l a s t o m e r

G F M - 2 X X X : 3 1 6 S S a n d f l u o r o e l a s t o m e r

P r o c e s s C o n n e c t i o n : 1 - 1 / 2 " m a l e N P T

A c c u r a c y : ± 1 . 5 % F S

O u t p u t : L i n e a r 0 t o 5 V D C a n d 4 t o 2 0 m A

E n c l o s u r e : I P 6 6

Ke y S p e c i f i c a t i o n s

Page 5: Powder and Bulk Level Sensors

PLS2

P o i n t l e v e l s w i t c h

D e t e c t s l e v e l w h e n b u l k m a t e r i a l

b u i l d s u p a n d s t o p s t h e r o t a t i n g p a d d l e

P u r c h a s e b y p o w e r r e q u i r e m e n t

I n t r o d u c t i o n

Page 6: Powder and Bulk Level Sensors

PLS2

W e t t e d M a t e r i a l s : 3 0 4 S S , 3 0 3 S S

N B R , a n d A l u m i n u m

S w i t c h Ty p e : S P D T m i c r o s w i t c h

P r o c e s s C o n n e c t i o n : 1 - 1 / 4 " m a l e N P T

P o w e r R e q u i r e m e n t : S e l e c t b y m o d e l

n u m b e r : 1 1 5 VA C , 2 3 0 VA C o r 2 4 V D C

E n c l o s u r e R a t i n g :

I P 6 6

R a t e d f o r C l a s s I I & I I I , D i v. 1 , G r o u p E , F, G .

Ke y S p e c i f i c a t i o n s

Page 7: Powder and Bulk Level Sensors

FCLS

I n t r o d u c t i o n

P o i n t l e v e l s w i t c h

F o r l i q u i d s a n d b u l k s o l i d s

N o m o v i n g p a r t s

Page 8: Powder and Bulk Level Sensors

FCLS

Ke y S p e c i f i c a t i o n s

W e t t e d M a t e r i a l s : 3 0 4 S S , P T F E

E n c l o s u r e R a t i n g : I P 6 5

S w i t c h Ty p e : S P D T

P o w e r R e q u i r e m e n t s : 1 1 0 - 2 2 0 VA C

P r o c e s s C o n n e c t i o n : 2 . 5 " - x 5 k g / c m 2 J I S f l a n g e

Page 9: Powder and Bulk Level Sensors

TFLS2

I n t r o d u c t i o n

L e v e l s w i t c h f o r l o w d e n s i t y b u l k

s o l i d s a n d l i q u i d s

U s e s a v i b r a t i n g t u n i n g f o r k t o

d e t e c t l e v e l

C o m p a c t p r o b e

Page 10: Powder and Bulk Level Sensors

TFLS2

Ke y S p e c i f i c a t i o n s

W e t t e d M a t e r i a l s : 3 1 6 L S S

S e n s i t i v i t y : M i n . b u l k d e n s i t y 7 0 g / l ,

( 4 . 4 l b / f t 3 )

P r o c e s s C o n n e c t i o n s : 1 " m a l e N P T

P o w e r R e q u i r e m e n t : 2 0 t o 2 5 0 VA C , 5 0 / 6 0 H z

E n c l o s u r e R a t i n g : I P 6 5

Page 11: Powder and Bulk Level Sensors

CTF

I n t r o d u c t i o n

L e v e l s w i t c h f o r l o w d e n s i t y

b u l k s o l i d s a n d l i q u i d s

U s e s a v i b r a t i n g t u n i n g f o r k t o

d e t e c t l e v e l

C o m p a c t s i z e a n d D I N c o n n e c t i o n

Page 12: Powder and Bulk Level Sensors

CTF

Ke y S p e c i f i c a t i o n s

W e t t e d M a t e r i a l s : 3 0 4 S S a n d 3 1 6 L S S

S e n s i t i v i t y : M i n . b u l k d e n s i t y 7 0 g / l , ( 4 . 4 l b / f t 3 )

P r o c e s s C o n n e c t i o n s : 1 " m a l e N P T

P o w e r R e q u i r e m e n t : 1 2 t o 5 5 V D C

E n c l o s u r e R a t i n g : I P 6 5

Page 13: Powder and Bulk Level Sensors

VRLS

I n t r o d u c t i o n

L e v e l s w i t c h f o r p o w d e r s a n d b u l k s o l i d s

U s e s a v i b r a t i n g r o d t o d e t e c t l e v e l

A d j u s t a b l e f o r d e t e c t i o n r a n g i n g f r o m

l a r g e g r a n u l a r m a t e r i a l t o s m a l l p o w d e r s

w i t h l o w b u l k d e n s i t i e s

Page 14: Powder and Bulk Level Sensors

VRLS

Ke y S p e c i f i c a t i o n s

W e t t e d M a t e r i a l s : 3 0 4 S S

S e n s i t i v i t y : M i n . b u l k d e n s i t y o f

3 2 0 k g / m 3 ( 2 0 l b / f t 3 )

P o w e r R e q u i r e m e n t : 2 0 t o 2 5 0 VA C / V D C

P r o c e s s C o n n e c t i o n s : 1 " m a l e N P T

E n c l o s u r e R a t i n g : I P 6 5

S w i t c h Ty p e : S P D T

Page 15: Powder and Bulk Level Sensors

Applications

W h e n t o u s e e a c h d e s i g n :

P a d d l e :

L o w e s t c o s t

B u l k m a t e r i a l s o n l y

B e s t f o r h i g h d e n s i t y m a t e r i a l

C a p a c i t i v e :

M e a s u r e m e n t b a s e d o n d i - e l e c t r i c c h a r a c t e r i s t i c s o f t h e m a t e r i a l ,

n o t d e n s i t y

B e s t f o r l o w d e n s i t y, o r l i q u i d m a t e r i a l s

Tu n i n g F o r k :

M e a s u r e m e n t b a s e d o n m a t e r i a l d e n s i t y

B e s t f o r l o w e r d e n s i t y , l o w d i - e l e c t r i c c o n s t a n t m a t e r i a l s

V i b r a t i n g R o d :

M e a s u r e m e n t b a s e d o n m a t e r i a l d e n s i t y

U s e d w h e r e t u n i n g f o r k s a r e a f f e c t e d b y m a t e r i a l b u i l d u p

Page 16: Powder and Bulk Level Sensors

Applications

Ty p i c a l B u l k M a t e r i a l s :

L i m e

To b a c c o

D r y c e r e a l s

S u g a r

A n i m a l f e e d

M i l k p o w d e r

F l o u r

I n s u l a t i o n

C e m e n t

P a p e r

P l a s t i c

g r a n u l e s

D e t e r g e n t s

D y e s

C h a l k

F l y A s h

F u m e d S i l i c a

C a r b o n B l a c k

S t y r o f o a m

C o r k

S a w d u s t

Page 17: Powder and Bulk Level Sensors

Applications

Tu n i n g F o r k s

M o u n t i n g C o n s i d e r a t i o n s

Page 18: Powder and Bulk Level Sensors

Applications

D u s t C o l l e c t i o n

Page 19: Powder and Bulk Level Sensors

Applications

T h e f l u s h c a p a c i t a n c e l e v e l s w i t c h c a n b e u s e d f o r p l u g

p r o t e c t i o n i n t h e b a s e o f t h e d u s t c o l l e c t o r o r a s a h i g h l e v e l

s w i t c h i n t h e c o l l e c t i o n h o p p e r s

D u s t C o l l e c t o r

Page 20: Powder and Bulk Level Sensors

Applications

B u l k l e v e l s w i t c h e s a r e t y p i c a l l y m o u n t e d a t t h e t o p o f t h e s i l o

f o r h i g h a n d l o w l e v e l i n d i c a t i o n

T h e P L S 2 i s a r u g g e d a n d r e l i a b l e s w i t c h f o r m o n i t o r i n g g r a v e l

a n d s a n d

C e m e n t M i x i n g P l a n t s

Page 21: Powder and Bulk Level Sensors

Applications

P n e u m a t i c C o n v e y i n g

Page 22: Powder and Bulk Level Sensors

Applications

D i l u t e Ph a s e P n e u m a t i c C o n v e y i n g

D i l u t e p h a s e p n e u m a t i c c o n v e y i n g i s a h i g h v e l o c i t y l o w p r e s s u r e

s y s t e m ( l e s s t h a n 1 5 p s i / 1 b a r )

T h e p a d d l e l e v e l s w i t c h ( S e r i e s P L S 2 ) i s a n i n e x p e n s i v e l e v e l

s w i t c h f o r t h e r e c e i v i n g b i n s i n a d i l u t e p h a s e s y s t e m

Page 23: Powder and Bulk Level Sensors

Applications

D e n s e Ph a s e P n e u m a t i c C o n v e y i n g

D e n s e P h a s e P n e u m a t i c C o n v e y i n g i s a l o w v e l o c i t y h i g h p r e s s u r e

s y s t e m ( g r e a t e r t h a n 1 5 p s i / 1 b a r )

T h e v i b r a t i n g r o d l e v e l s w i t c h i s u s e d a s a h i g h l e v e l s w i t c h i n

t h e t r a n s p o r t e r a n d t h e r e c e i v i n g b i n s

Page 24: Powder and Bulk Level Sensors

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