SOP for Calibration of Brook Field Viscometer : Pharmaceutical Guidelines

SOP for Calibration of Brook Field Viscometer

Standard operating procedure to calibrate Brook field viscometer with standard viscosity solution.

1.0 OBJECTIVE

To calibrate the equipment for reliable and accurate results.

2.0 SCOPE

This procedure is applicable to the Brook field viscometer, installed in the quality control department.

3.0 RESPONSIBILITY

3.1 Doing: Technical Assistant
3.2 Checking: Executive /Manager

4.0 ACCOUNTABILITY

Head of the Department

5.0 PROCEDURE

Frequency of calibration: Once in three month
5.1 Operate the instrument as per SOP
5.2 Calibrate the instrument with standard viscosity solution of 10, 100, 500, 5000 & 12,500 cps using respective spindles and record the results in Annexure-I
5.3 The performance of the instrument is satisfactory, if the measured viscosity is within the given tolerance limit, otherwise follow the S.O.P.

6.0 ABBREVIATION

6.1 0C = Centigrade
6.2 S.O.P. = Standard operating procedure
6.3 cps = Centipoise

Annexure-I 
CALIBRATION REPORT OF BROOK FIELD VISCOMETER

CALIBRATION DATE

DATE OF LAST CALIBRATION DONE
NEXT DUE FOR
CALIBRATION



INSTRUMENT DETAILS
INSTRUMENT NAME
INSTRUMENT MAKE
INSTRUMENT
IDENTIFICATION NO.



OBSERVATION
Sr. No.
Fluid of Labeled viscosity in cps
Certified Value in cps
Spindle
Speed factor at 250C (A)
Reading (B)
Viscocity in cps AXB
Acceptance criteria % Tolerance from certified viscosity
01
10
+/- 10%
02
100
+/- 7.5%
03
500
+/- 7.5%
04
5000
+/- 5.0%
05
12,500
+/- 5.0%





Ankur Choudhary is India's first professional pharmaceutical blogger, author and founder of Pharmaceutical Guidelines, a widely-read pharmaceutical blog since 2008. Sign-up for the free email updates for your daily dose of pharmaceutical tips.
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