av-cal-wi-006 wi to calibrate visco meter

7/27/2019 AV-CAL-WI-006 WI to Calibrate Visco Meter

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Department: Quality AssuranceDOC. No. : AV/CAL/WI/006

Page No. : Page 1 of 3

Issue Date: 01.03.06 Revision No. & Date : (00)-01.03.06

Su!ect "I to calirate #iscometer

REVISIONS

Revision No.

RevisedPages

Revision Description Date ofRevision

00 0 Original Issue 01.03.06

Prepare$ %y Approve$ %y Autori'e$ y

Document Chemist Management e!"esentati#e $acto"% Manage"

&CLA''I$I(D Inte"na* +se ,n*% &


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Page No. : Page of 3



. Purpose

o measu"e the accu"ac% of inst"ument.

). Scope

Viscomete".

*. Responsiility

ua*it% assu"ance chemist.

ua*it% ea.

+. De,inition :

Ca*i2"ation of inst"uments in#o*#es austing an inst"ument to maintain its

accu"ac% of use.

Viscosit% Viscosit% is a measu"e of a f*ui4s "esistance to f*o5.

cP Centi!oises +nit of Viscosit% o" mi**i!asca*-'econ.

'I C7'

Viscosit% 1 mPa8s 1cP

o"9ue 1 :e5ton-m 10;%ne-cm

-. Proce$ure

1. he accu"ac% of the Viscomete" is #e"ifie 2% using #iscosit% stana"

f*uis.

. Viscosit% stana"s a"e :e5tonian< an the"efo"e< ha#e the same #iscosit%

"ega"*ess of s!in*e s!ee< #iscosit% stana"s< ca*i2"ate at = oC.

Container Si'e:$o" Viscosit% stana"s >30


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3. P*ace the #iscosit% stana" f*ui in the !"o!e" containe" into the 5ate"

2ath.. Lo5e" the DV-( into measu"ement !osition.

=. Attach the s!in*e to the #iscomete" a#oi t"a!!ing ai" 2u22*es 2eneath

the is@ 2% fi"st imme"sing the s!in*e at a ang*e< an then connecting it to

the #iscomete".

6. he #iscosit% stana"s f*ui< togethe" 5ith the s!in*e an gua" *eg

imme"se in the 2ath fo" a minimum of 1 hou"< sti""ing the f*ui

!e"ioica**% !"io" to ta@ing measu"ements.

;. Afte" 1 hou"< chec@ the tem!e"atu"e of the #iscosit% stana" f*ui 5ith an

accu"ate the"momete". $*ui must 2e 5ithin E 0.1oC of the s!ecifie

tem!e"atu"e< no"ma**% =oC.

F. If the f*ui is at test tem!e"atu"e< measu"e the #iscosit% an "eco" the

#iscomete" "eaing.

G. he #iscosit% "eaing to 2e e9ua* the cP #a*ue on the #iscosit% f*ui

stana" to 5ithin the com2ine accu"ac% of the #iscomete" an the

stana"s.

Inte"!"etation of ca*i2"ation test esu*ts

When #e"if%ing the ca*i2"ation of the inst"ument< Viscosit% stana" f*ui

e""o" to 2e com2ine to ca*cu*ate the tota* a**o5a2*e e""o".

Viscosit% stana"s f*uis a"e accu"ate to BE/-) 1H of thei" stana" #a*ue.

$u** 'ca*e Viscosit% ange Bin cP) 8 'MC 8 10000 PM.

10. Maintain Ca*i2"ation "eco" in ca*i2"ation fo"mat no. A#CA/0R12

Prepare$ %y Approve$ %y Autori'e$ y

Document Chemist Management e!"esentati#e $acto"% Manage"

&CLA''I$I(D Inte"na* +se ,n*% &

av-cal-wi-006 wi to calibrate visco meter

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