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RISONIC modularUltrasonic transit time flow measurement
in penstocks and open channels
FLOW CONTROL • PENSTOCK MONITORING • WATER BALANCE •
TURBINE/PUMP EFFICIENCY MEASUREMENT
LA
NLA
N
LA
N
WA
NV
PN
Mo
du
lar
desi
gn
Th
e R
ISO
NIC
mo
du
lar
is p
rim
ari
ly b
ase
d o
n:
- th
e R
ISO
NIC
Co
ntr
olle
r m
odu
le
- o
ne
to f
ou
r R
ISO
NIC
Ult
raso
nic
Tra
nsi
t T
ime
mo
du
les
- an
d t
he
vari
ou
s u
ltra
son
ic s
enso
rs
(typ
e d
epen
din
g o
n a
pp
licat
ion)
Th
e R
ISO
NIC
Ult
raso
nic
Tra
nsi
t T
ime
mo
du
le p
rep
are
s an
d p
re-
pro
cess
es
the
sen
sor
sig
nals
fo
r th
e tr
an
sfer
to
th
e co
ntr
olle
r.
In t
he
RIS
ON
IC C
ontr
olle
r m
odu
le t
he
sen
sor
dat
a is
co
llect
ed
an
d,
fro
m t
hat
, th
e ex
act
flow
an
d o
ther
mea
sure
d v
alu
es
are
calc
ula
ted.
Than
ks
to a
n E
ther
net
co
nn
ect
ion,
the
mo
du
les
can
be
op
erat
ed
ind
ep
end
en
tly
Use
r-fr
ien
dly
op
era
tio
n
Use
r-fr
ien
dly
para
met
er c
on
fig
ura
tio
n a
nd
op
erat
ion.
- In
teg
rate
d in
tuit
ive
use
r in
terf
ace
- Illu
min
ated
LC
D
- A
uto
mat
ic m
easu
red
valu
e d
isp
lay
- M
enu
tre
e fo
r m
an
ual q
uer
ies
an
d m
ain
tenan
ce
- W
eb in
terf
ace
for
the
para
met
er
con
fig
ura
tio
n
an
d r
em
ote
acc
ess
Th
e R
ISO
NIC
mo
du
lar
was
dev
elo
ped
fo
r fl
ow
mea
sure
-
men
ts in
fille
d/p
art
ially
fille
d p
en
sto
cks
an
d o
pen
chan
nels
.
Typ
ical a
reas
of
ap
plic
atio
n in
clu
de
wat
er
pow
er s
tati
on
s,
wat
er u
tilit
ies,
irri
gat
ion
sys
tem
s, a
nd
co
olin
g w
ater
cir
cuit
s.
Ap
pli
cati
on
s
- Fl
ow
co
ntr
ol
- W
ater
bala
nce
- Pen
sto
ck m
on
ito
ring
- Tu
rbin
e/p
um
p e
ffici
ency
mea
sure
men
ts
(IEC
60
041,
ASM
E P
TC
18)
Cu
sto
mer
ben
efi
ts
- H
igh
mea
sure
men
t ac
cura
cy t
han
ks
to
op
tim
ized
dig
ital s
ignal p
roce
ssin
g
- Su
itab
le f
or
dif
ficu
lt h
ydra
ulic
co
nd
itio
ns
- Su
itab
le f
or
hars
h e
nvir
on
men
ts
- Fl
ow
mea
sure
men
ts in
both
dir
ect
ion
s
(pu
mp
sto
rag
e p
ow
er
pla
nt)
- M
ult
i-se
ctio
n/m
ult
i-p
ipe
- M
ain
tenan
ce-f
ree,
lo
ng-t
erm
sta
bili
ty
- N
o r
eca
libra
tio
n r
eq
uir
ed
- C
om
pre
hen
sive
dia
gn
ost
ics
- St
an
dard
ized
co
mm
un
icat
ion
inte
rfac
es
- Lo
w P
ow
er /
Sle
ep
Mo
de
- In
teg
rate
d d
ata
log
ger
wit
h r
em
ote
acc
ess
via
web
inte
rfac
e
Ap
plica
tio
ns
User-frie
ndly
, flexib
le,
and v
ersati
le.
Pow
er s
tati
on
Irrig
ati
on
Water s
upply
Fun
ctio
nal d
esc
ripti
on
Ult
rasonic
transit
tim
e m
eth
od
Th
e se
nso
rs A
an
d B
alt
ernat
e as
sen
der
an
d r
ece
iver
. W
ith
a v
olt
ag
e im
pu
lse
a p
iezo
-cer
am
ic o
scill
ato
r is
exc
ited.
Th
e u
ltra
son
ic im
pu
lse
spre
ads
ou
t th
roug
h t
he
med
ium
to
be
mea
sure
d.
Th
e o
pp
osi
te s
ite
rece
ives
the
imp
uls
e, c
onve
rts
it in
to a
n e
lect
ric
sig
nal a
nd
analy
zes
it.
A s
ou
nd
wav
e sp
read
s
ou
t fa
ster
in t
he
dir
ect
ion
of
the
flow
than
ag
ain
st it.
Th
e R
ISO
NIC
mo
du
lar
mea
sure
s th
e tr
an
sit
tim
e tA
B a
nd
tBA
. T
he
tran
sit
tim
e d
iffe
ren
ce (
tAB
– t
BA
) of
the
two
ult
raso
nic
wav
efo
rms
is d
irect
ly p
rop
ort
ional t
o t
he
mea
n
pat
h v
elo
city
of
the
med
ium
. Fr
om
th
e m
ean
pat
h v
elo
city
in c
on
jun
ctio
n w
ith
th
e p
ipe
geo
met
ry t
he
flow
can
be
det
erm
ined.
Un
der
dif
ficu
lt h
ydra
ulic
co
nd
itio
ns
a m
ult
i-p
ath
mea
suri
ng
arr
ang
em
ent
can
imp
rove
th
e m
easu
ring
acc
ura
cy.
Eth
ern
et
Sen
sor
B
Sen
sor
A Mu
lti-
path
measu
rin
g
arr
an
gem
en
t w
ith
cro
ssed
path
s
Mu
lti-
path
measu
rin
g
arr
an
gem
en
t
On
e-p
ath
measu
rin
g
arr
an
gem
en
t
Specifi
cati
ons
Measu
rin
g a
ccu
racy
Up
to
0.5
% o
f th
e m
easu
red
valu
e d
isp
lay
(dep
en
din
g o
n t
he
nu
mb
er
of
mea
suri
ng
pat
hs,
hyd
rau
lic c
on
dit
ion
s an
d t
he
geo
met
ric
para
-m
eter
s, s
uch
as
pat
h a
ng
le, p
ath
leng
th, an
d t
heir
acc
ura
cy a
t th
e m
easu
ring
po
int)
.
Max. n
um
ber
of
measu
rin
g p
ath
s16
Max. n
um
ber
of
ult
raso
nic
mo
du
les
4
Nu
mb
er
of
measu
rin
g p
ath
s
per
ult
raso
nic
mo
du
le
1 t
o 4
mea
suri
ng
pat
hs
in a
mu
ltit
ud
e of
dif
fere
nt
pat
h a
rrang
em
ents
Max. n
um
ber
of
measu
rin
g p
oin
ts4
Pip
e d
iam
ete
r 0
.3 t
o 2
0m
(w
ith
a p
ath
ang
le o
f 4
5°)
Ch
an
nel w
idth
0
.75
to
10
0 m
(w
ith
a p
ath
ang
le o
f 4
5°)
Flo
w s
peed
±
20
m/s
Ult
raso
nic
mo
du
le t
o s
en
sor
dis
tan
cem
ax. 3
00
m w
ith
1 M
Hz
sen
sors
max. 5
00
m w
ith
50
0 k
Hz
sen
sors
max. 1,0
00
m w
ith
20
0 k
Hz
sen
sors
Co
ntr
oll
er
mo
du
le in
terf
ace
s -
LA
N1:
Eth
ern
et 1
0/1
00
Base
T, U
SB
1.1
ho
st, C
om
pac
t Fl
ash
card
- C
OM
1: R
S2
32, C
OM
2: R
S4
85, C
OM
3: R
S4
85
- St
atu
s re
lay
Ult
raso
nic
mo
du
le in
terf
ace
s -
1 a
nalo
g o
utp
ut,
1 a
nalo
g in
pu
t (4
… 2
0 m
A)
- 4
rela
y o
utp
uts
Po
wer
sup
ply
24
VD
C (19.2
… 3
0 V
)
Po
wer
con
sum
pti
on
C
on
tro
ller
mo
du
le: <
10
W
Ult
raso
nic
mo
du
le: <
5 W
Sle
ep M
od
e: <
0.5
W
Ove
rvo
ltag
e p
rote
ctio
n
Inte
gra
ted
Safe
ty c
lass
IP
20
on
DIN
rail
IP 6
5 in
field
un
it
Op
era
tin
g t
em
pera
ture
ran
ge
-20
to
+70
°C
Sto
rag
e te
mp
era
ture
-4
0 t
o +
85
°C
Devic
e d
imen
sio
ns
(H, W
, D
) C
on
tro
ller
mo
du
le: 147
x 1
46
x 6
4 m
m
Ult
raso
nic
mo
du
le: 18
4 x
147
x 5
2 m
m
Weig
ht
Co
ntr
olle
r m
odu
le: ap
pro
x. 1.1
kg
Ult
raso
nic
mo
du
le: ap
pro
x. 1.3
kg
Inst
all
ati
on
op
tio
ns
- A
ttac
hed
to
DIN
rail
TS
35
in t
he
con
tro
l cab
inet
- B
uilt
into
field
un
it IP
65
Fact
ors
imp
acti
ng
th
e m
easu
ring
acc
ura
cy:
• M
eth
od
to
det
erm
ine
the
tran
sit
tim
es
an
d d
iffe
ren
tial t
ran
sit
tim
es
• A
ccu
racy
of
the
geo
met
ric
dat
a of
the
mea
suri
ng
arr
ang
em
ent
• In
teg
rati
on
met
ho
d t
o c
alc
ula
te t
he
flow
base
d o
n p
ath
velo
city
an
d g
eo
met
ric
dat
a
Co
nta
min
ati
on
fact
ors
Co
nta
min
atio
n (
typ
ically
qu
art
z sa
nd
) in
th
e w
ater
dam
pen
s th
e u
ltra
son
ic im
pu
lse,
an
d, in
extr
em
e ca
ses,
make
s a
valid
mea
sure
men
t im
po
ssib
le. T
he
dam
pin
g f
acto
r d
epen
ds
on
th
e u
ltra
son
ic f
req
uen
cy, te
mp
era
ture
,
an
d p
art
icle
pro
per
ties.
Th
e R
ISO
NIC
mo
du
lar
is e
qu
ipp
ed
wit
h a
n a
uto
mat
ic a
mp
lifica
tio
n c
ontr
ol t
o b
e ab
le
to r
eact
to
co
nta
min
atio
n in
th
e w
ater
.
Chang
es
in t
he
wat
er
com
po
siti
on
can
be
reco
gn
ized
by
mo
nit
ori
ng
th
e u
ltra
son
ic w
avef
orm
s. P
roje
ctio
n t
oo
ls
dev
elo
ped
by
Rit
tmey
er e
nab
le r
ang
e est
imat
es,
pro
vid
ed
that
th
e w
ater
com
po
siti
on
is k
now
n.
Flo
w
Q
v(y
)
y
Q
y
v(y
)
y
Q
v(y
)
8.4
7.8
7.2
6.6
6.0
Engin
eeri
ng
Effi
cie
nt
tools
and m
eth
ods
Fo
r th
e ap
plic
ab
le m
easu
ring
arr
ang
em
ent
the
follo
win
g c
ust
om
er-s
peci
fic
an
d p
lan
t-sp
eci
fic
fact
ors
are
deci
sive
:
- P
ipe
geo
met
ry in
cl.
ob
stru
ctio
ns
- M
easu
ring
pu
rpo
se
- M
easu
ring
acc
ura
cy r
eq
uir
em
ents
Fo
r ex
trem
ely
sev
ere
hyd
rau
lic c
on
dit
ion
s R
ittm
eyer
pro
vid
es
CFD
(C
om
pu
tati
onal F
luid
Dyn
am
ics)
sim
ula
tio
n
serv
ices.
Th
e C
FD s
imu
lati
on
su
pp
ort
s th
e se
lect
ion
of
an
opti
mal i
nst
alla
tio
n s
ite,
th
e o
rien
tati
on
of
the
mea
su-
ring
pat
hs
an
d t
he
inte
gra
tio
n.
Furt
herm
ore
, fr
om
th
e si
mu
lati
on
th
e m
easu
ring
acc
ura
cy c
an
be
est
imat
ed.
In a
firs
t st
ep
th
e m
ost
id
eal i
nst
alla
tio
n s
ite
un
der
th
e g
iven
co
nd
itio
ns
is d
eter
min
ed.
Th
en,
in c
on
sid
era
tio
n o
f
the
ab
ove
-men
tio
ned
fac
tors
, th
e m
easu
ring
arr
ang
em
ent
an
d o
rien
tati
on
is c
on
fig
ure
d.
Mu
lti-
pat
h m
easu
ring
arr
ang
em
ents
can
hav
e sh
ort
er
calm
ing
sect
ion
s.
Ru
les
of
thu
mb
fo
r ca
lmin
g s
ect
ion
s (l
eft-
to-r
igh
t fl
ow
) fo
r a
1-p
ath
mea
sure
men
t an
d 1
% a
ccu
racy
.
Su
bse
qu
entl
y, a
su
itab
le in
teg
rati
on
met
ho
d f
or
calc
ula
ting
th
e fl
ow
is s
ele
cted
base
d o
n t
he
hyd
rau
lic
con
dit
ion
s. T
hese
met
ho
ds
pro
vid
e th
e se
nso
r p
osi
tio
ns
an
d t
he
weig
hti
ng
of
the
ind
ivid
ual m
easu
ring
pat
hs.
Dep
end
ing
on
th
e se
veri
ty o
f th
e hyd
rau
lic c
on
dit
ion
s an
d t
he
accu
racy
req
uir
em
ents
, a
vari
ety
of
inte
gra
tio
n
met
ho
ds
is a
vaila
ble
.
Inte
gra
tio
n m
eth
od
Fo
r p
ipes
(ro
un
d):
G
au
ss-J
aco
bi
OW
ICS
(Op
tim
al W
eig
hte
d
OW
ISS
(Op
tim
al W
eig
hte
d
Inte
gra
tio
n f
or
Cir
cula
r Sect
ion
s)
Inte
gra
tio
n f
or
Sim
ula
ted S
ect
ion
s)
Fo
r p
ipes
(rect
an
gu
lar)
:
Gau
ss-L
egen
dre
O
WIR
S (O
pti
mal W
eig
hte
d
Inte
gra
tio
n f
or
Rect
ang
ula
r Sect
ion
s)
90
° elb
ow
or
tee c
on
nect
or
Tw
o 9
0°
elb
ow
co
nn
ect
ors
on o
ne
level
Tw
o 9
0°
elb
ow
co
nn
ect
ors
on t
wo l
evels
Intu
itiv
e i
deali
zati
on o
f a
(tu
rbu
len
t) v
pro
file
Ideali
zed t
urb
ule
nt
v p
rofi
leSim
ula
ted v
pro
file
un
der
mo
st
dif
ficu
lt h
yd
rau
lic
con
dit
ion
s
Part
iall
y o
pen
ed v
alv
eP
um
ps
Red
uct
ion
Flo
w v
elo
city
Inst
allat
ion/c
om
mis
sio
nin
g
Fie
ld-p
roven
Oth
er im
po
rtan
t p
rere
qu
isit
es
for
firs
t ra
te fl
ow
mea
sure
men
ts a
re t
he
pro
fess
ional i
nst
alla
tio
n o
f th
e se
nso
rs a
t
the
theo
reti
cally
defi
ned
po
siti
on
s, t
he
pro
fess
ional d
eterm
inat
ion
of
the
cro
ss-s
ect
ional a
rea
of
the
pip
e at
th
e
mea
suri
ng
po
int,
an
d m
easu
ring
th
e ex
act
po
siti
on
s of
the
inst
alle
d s
enso
rs.
Do
-it-
you
rself
sen
sor
inst
all
ati
on
Fo
r th
e se
nso
r in
stalla
tio
n p
erfo
rmed
by
the
cust
om
er R
ittm
eyer
pro
vid
es
a w
ide
rang
e of
help
ful m
ark
ing
an
d in
stalla
tio
n
too
ls.
Pre
cisi
on
in
stall
ati
on
In o
rder
to
meet
th
e h
igh
est
acc
ura
cy d
em
an
ds
Rit
tmey
er r
eco
mm
en
ds
a p
reci
sio
n in
stalla
tio
n
per
form
ed
by
ou
r ex
per
ien
ced
sta
ff.
To d
eter
-
min
e th
e g
eo
met
ric
dim
en
sio
ns
at t
he
mea
suri
ng
po
int
Rit
tmey
er u
ses
a th
eo
do
lite
wit
h in
teg
rate
d
inte
rfer
om
eter
an
d la
ser
po
inte
r at
tach
men
t fo
r
dis
tan
ce m
easu
rem
ents
.
Sco
pe
of
serv
ices
- D
eter
min
ing
th
e p
ipe
cro
ss-s
ect
ional a
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www.rittmeyer.com Su
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Networked, international, performance-oriented
Sales office inthe US
Representative office inSingapore
Contact:
SWITZERLAND (Headquarters)Rittmeyer AGInwilerriedstrasse 57Box 464CH-6341 BaarPhone: +41 41 767 10 00Fax: +41 41 767 10 70Email: [email protected]
Subsidiaries inGermanyAustriaItalySpainFranceCroatiaSlovakiaCzech Republic
Rittmeyer develops, manufactures
and installs instrumentation and
process control system solutions
for the water and energy sector.
Founded in 1904, Rittmeyer has
commissioned more than 20,000
installations to date. With 8 sub-
sidiaries, a sales and representa-
tive office and agencies in over 25
countries we are active worldwide.
Thanks to state-of-the-art tech-
nology, world class expertise and
highest quality we provide our
customers with reliable, precise
and tailored solutions.
Rittmeyer
A subsidiary of the
BRUGG group.
