lnstruclion
Monuol
M4871
Refrqctometer
for
Sucrose
Meosuremenls
www.
mi lwqukeei
nst.corn
Futtc7rotrrAt DãscntPrtoil
DISPLAY
A. BATTERY STATUS
ICON
(BLINKS
WHÊN
tOW BATTERY
coNÞrTroN ÞETEÇTEÞ)
B.
MEASUREMENT
IN
PROGRESS TAG
C. SETUP: FACTORY CALIBRATION ïAG
D. CAL: CALIBRAïON fAG
E. PRTMARY DTSPLAY
(DISPLAYS
MËASURËMËNT AND
ERROR
MESSAGES)
N AUTOMATIC TEMPERATURE
COMPENSATION
{BUNKS
WHEN
TÊMPERATURE
EXCEEÞS r 0-40
"C /
50-
r 04
't
RANGE)
G.
TEMPERATURË
UNITS
H,
SECONDARY
ÞIsPI,AY
{DISPLAYS
TËMPERATURF
MEASUREMENTS; WHEN BLINKING,
TEMPERATURE HAS
EXCEEDEÞ OPERATION RANGË:
0-80
'C
/
32-¡
76
"F)
FUNCTIONAL
DESCRIPTION
GENERAL DESCRIPTION
.......
SPECtFtCAT|ONS .................
PRINCIPLE
OF OPERATION ...
MEASUREMENT
GUIDELINES,
CALIBRATION PROCEDURE ..
MEASUREMENT PROCEDURE
MAKING A
STANDARD
%
BRIX
SOLUTION
CHANGING TEMPERATURE
UNIT
...........,
ERROR
MESSAGES ..............
BATTERY
RËPTACEMENT ..........................
WARRANTY
5
6
7
B
I
l0
il
t2
l3
14
1Ã
:
FFfrE
EF8.Ëç
m
lnstrucfion
Monuol
MA87t
Refroctometer
for
Sucrose
Meosuremenls
www.
m i
lwoukeei nsf.conn
FRONT
PANEL
A.
LIQU|D CRYSTAL
Þ|SPLAY
{LCD)
B.
READ KEY
{USER
MEA,SUREMENTJ
c. zËRo
KFY
{USËR
CALTBRATTON)
D. ON/OFF
E. PRIMARY
DISPLAY
Ë SECONDARY DISPLAY
G. STAINLESS
STEEL SAMPLE
WELL AND PRISM
BOTTOM
OPEN
H. BATTERY
COVFR
I,
BATTERY
COMPARTMENT
GETERAI"DESCRIPilOil
SIGMflEANEE-OLUS-E
Thonk
you
for
choosing
Milwoukee.
This
inslruction
monuol
will
provide you
ihe necessory informotion
{or
correcl use of
the meter.
The lv1A87l is
on optìccl
inslrument
fhot
employs
1l-re
meosuremenl
o{
refraclive indexto determine ihe
%
Brix
of sugorin oqueous solutions.
The method
is
both sirnple
ond
quick.
Somples ore
nreosured
ofier o simple user
colibrotion with deionized or distilled wofer. Withiri
seconds
ihe instrumeni meosures
ihe re{rocfive index
of
ihe
somple cnd converls
itto
%
Brix
concenlrolion units.
The MA87'l digitol
refroctometer eliminoles
the
uncertoinity
ossocioled with
mechonicol re{rqctonreters
ond
is
eosily
portoble {or meosurements in the field.
The meosurenrent
technique
ond
tempercrture
compensolion employ
methodology
recommended in
the ICUMSA Methods Book
{internotionolly
recognized
body
for Sugor
Anolysis).
Temperoture
(in
'C
or'F)
is
disployed simulToneously
with
the meosurement on
the lorge
duol
level disploy
olong
wilh
icons {or Low Porverond other
help{u I messoge
codes.
Key feetures
include:
.
Duol-level
LCD
.
AutomoiicTemperolure Compensolion
(ATC)
.
Eosy
sefup ond
storoge
'
Botlery
operotion
with
Low Power indicsfor
(BEPS)
.
Aulomaiicolly
lurrrs off
ofter
3
minules
of
non-use.
Remove
the'instrument from
the
pocking
materiqls
ond
exqmine corefully
lo
ensure
no
domoge
hçls
occun'ed
during shipping.
lf ony
domoge
hos occurred, notify
your
Deoler.
Eoch
M4871 instrumenl
is
supplied
with:
'
9
V bottery
.
lnslruclion
msnual
Nole:
Sove oll
pocking
moteriol until
you
ore
sure lhol lhe instrumenl
funclions
correclly. A
defective
instrumenl musl be
relurned in
its originol
pocking.
I
I
Instruction
Monuol
MA87l
Refroctomeler
for Sucrose
/v{eosuremenls
www.
milwoukeeinsl.con
r
4.
Genily
obsorb the ZERO
woter
sfondord
with o
soft
tissue.
Use core
not lo scroich
the
prism
surfoce.
Wipe off
ihe
surfoce compleiely.
The
insirument
is
reody
for somple meosurement.
Note:
l{
instrument is turned
o{i ihe colibrqiion
will
nol be
losl
5.
Using
plosiic
pipetfes,
rinse
prism
ond
sample well
with distilled
or deionized woter.
Wipe dry.
Ihe
instrumenl
is
reody for
lhe next
somple.
l'r
\/
TE ASU RE
TüETVT PROCEDURE
Verify
the
instrumerrt hos
been
coli-
broted
be{ore
loking meosuremenls.
ì.
Wipe ofi
prism
surfoce
locoted
oi
the
boftom
o{
+he
somple
well,
2. Using
plostic pipettes,
drip somple
onio
the
prisnr
surfoce. Fill the
well completely.
¡
,=rÊ
Nole: lf
the temperolure
o{
fie
somple differs signi{icontly
from
the iemperoture
of
ihe inslrument, woit
opproximotely
I minute to
ollow
lhermol
equilibrotion.
3.
Press the READ key.
Meosuremenl is
disployed
in
units o{ %
BRIX.
DISTILLED
,l,lAKlilC A
SfAilDARD
% ¡RlX
SOLUrrOfi¡
To moke
o Brix
Solution, follow the
procedure
below,
"
Ploce
confoìner
(such
os o gfcss
viol
or dropper.
botfle
thot
hos
o cover) on
on onol¡ìcol
bqlonce.
'
Tqre the
bolonce.
.
To moke
on
X BRIX
solufion weigh
outX
groms
of high
purity
Sucrose
(CAS
#:
57-50-1)
directly
into
the
contoiner.
.
Add
dlst¡lled
c¡r deion
ized
woter to lhe
conioiner
so
the fotol
weight
of
the
solution is
'l
00g.
'
Nole:
Solutions obove
é0%
Brix
need to
be
vigorously
siirred
or shoken ond heoted in
o
woter
both to
roughly
4û
"C
{'l04
"F).
Remove
solution frorrr
both when
sucrose
hos
dissolüed.
Cool completely
belore
use.
The
totol quonTity
con
be scoled
proporlionolly
{or
smoller
conloiners bui
occurocy moy
be socri{iced.
Exomple
with
25%
Brix
o/o
Brix
g
Sucnose
25
25.00
x
¡5.8'
a\
\rJ
1-\
\_/
t¡5
¡5[l'
g
Woter
75.000
g
Total
r
00.000
Note:
The
ATC tog blinks ond ouiomotic Temperoture
comperrsolion
is disobled if fhe tenrperoiure
exceeds lhe
I 0-40
'C
I
50-l
04
'F
ronge.
4. Remove
somple {rom
ïhe
somple well by
obsorbing
with
o soft iissue.
m
tt
READ
lnstruclion
Monuol M4871
Refroctometer
for
Sucrose
Meosurements
ÍE¡}IPERAÍUNEUilIf
To
chonge
the
lemperoiure
meosuremenf
unit from
Celsiuslo Fohrenheìl
{orviceverso),
ibllowthis procedure.
l.
Press
ond
hold fie
ON/OFF
key
conlinuously for
oproximotely
l5
seconds.
The LCD will
displcy fhe
"oll segmeni"
screen folloy¿ed by
o
screen
wiih lhe
model number
on the
primory
dispioy ond
Ihe version
number
on
ihe
secondory dìsplcy. Continue pressing
the
ONIOFF key
I
5 seconds
81
'
tn
a'c
t.u
f
2. While
coniinuing
lo hold lhe
ON/OFF
key, press
the ZERO key. The ternperoture
unit will
chonge
from
"C
io
oF
or
vice
.¡erso.
oC
or
.F
www.
m i lwo
u keei nsl.corn
ENNORfiESSAGã'
ON
OFF
Decription
General foilure.
Cycle
pcwer
fo ¡¡struñeni-
lf
¡nslrufieni
st¡il hos erroL
conlccl Milwâukee.
Somple is reodinc
lower
thon the
C
%
sroncjord
useJ
for ñeier
coiibroiion-
Somple
exceeds
moximum
hecsureF¡ehl
rcnge,
V/rong
colibrotion used io
zeio ¡nsÌruñÊni.
Use
deionjzed orCi$ìlled woter
P¡ess
Zero,
V/rong culibrotiorr u*ci
to
zero insirrmenl- Use
deion¡zei
or iisiiiled woie¿
Þess
Zero.
Tempe¡olure
*ceeds ATC
low lihit
il
0
"Cl
during
colìbroiion.
Temperolure
exceeds
ATC
h¡gh
limir
{40
"Ci
dDring
colibraiion.
Prism
sur{oce insùf{icienlly
Tôo ñuch
e*ernol lighi
for
meosuremeni. Cov€r
soaple well
with
hond.
LED light is
not
cjeredecj.
Cor¡tsd
Milwoukee.
<5,o¿
of boltery
life is
remoiniñ9.
Ïemperoture
meosuremeni
our of
sonrpling
ronge
{C'.0
to 80.0eC).
Ou*si.je
leñperof
u¡e
.ompensot¡on
ronge
(l
0 lo
4O.C).
Foctory
colibrotion lod
Contoa Milwoukee.
Err
ð5N'
l
,n :
LIJ I
¿\iJ'r
lJl
i
r
¡r
i
I
¡tc"
a---ì
lHr ,
i
i5r'tj
i¿6
I
;åiíii
r' r f
E LU
9S'
LHI
H'r
¿çll'
Err
¡58'
nlþ
¿5C'
t¿5"
Enor
Code
Ërr
LO
Top
Cisploy
Hl
Top
dtsplcy
LO Top ciisploy
Ccl ægmeni
ON
H¡ Top
dìsploy
Csl segmeni ON
t l-O Tcp
disploy
Col segment ON
f Ht Top disploy
Col segnrent ON
,{i¡
ÉF
nLt
Bctrery
sesment blink'ds
Tenperoilre volues
ore
blinL;ng
0.0'or 8O.O"C
ATC segmeni
blinking
SETUP seqmenl
blinkìns
Fg
: sËr
Ðã&fr4
ON
OFF
ZERO
H
lnstruction
Monuol
MA87t
Refrocfomefer
for
Sucrose Meosuremenls
To reploce
the instrument's
botlery, {ollow
fhese
sleps:
'
Turn
lhe
inslrurnenf
OFF by
pressing
the
Olt{/OFF
k"y.
'
Turn instrument
upside down ond
remove
the
boTiery
cover by turning it
counterclockwise.
.
Exiroci the
boftery
{rom ils locction.
.
Reploce
with lresh
9V botleny
moking
certoin lo
observe
polority.
.
lnsert the
bock botiery cover ond {osien il
by
tr.rming
clockwise
io
engoge.
www. milwcukeeinst.
com
For
your So{ety don't
use
or store
the
instrument
in
hozordous
envìronmenls.
To
ovoid
domoges
or burns,
do
nol
perform ony
meüsuremenl
in microwove
ovens.
ON
OFF
WARRANTY
This
instrument
is worronted
ogoinst defecls in moieriol:
qnd
monufocturing
for
o
period
o{
2
yeors
from
the
dofe
of
purchose.
Electrodes
ore worronted {or
é
monihs.
li during
this
period
lhe repoir
or
replocemenl
of
porls is
required,
where the
domoge
is not
due lc
negligence
or erroneous
operolion by fhe
user,
pleose reiurn
the
inlrumeni,
electrode ond
probe
tc
either
disiribuior
or our office
ond
lhe repoir
will br
effecled
free
of chorge.
Domoge
due
to
occidents, misuse, lompering
or
locl
of
prescribed
moinlenonce is
nof
covered by
fhe wononty
Mifwqukee/Mcrlini
insËrumenfs
reserves the
right
to make irnpnovements
¡n
design, con-
struct¡on
ûnd oppeoronce
of
ifs
products
wíthout odr¡qnce nolice.
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