Milwaukee MA871 User manual

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

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.

Milwaukee MA871 User manual

Milwaukee MA871 User manual

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