CALIBRATION RECORD OF ANALYTICAL BALANCE

CALIBRATION RECORD OF ANALYTICAL BALANCE

Name of instrument – Analytical Balance

Department  – Wet analysis lab(Q.C)

Make ;_________________________Model no._____________________

Date of calibration________________Next due date _________________

Identification no;___________________    Frequency – Monthly

MONTHLY BALANCE CALIBRATION RECORD

  1. A) MAINTENANCE CHECKS: The instrument is clean and free from dust:
  2. CALIBRATION :
WEIGHTS USED (g)WEIGHTS SHOWN BY BALANCE   (g)TOLERANCE LIMITS (g)
200 g199.800  –  200.200 g
100 g99.900  –  100.100 g
50 g49.950  – 50.050 g
20 g19.980  – 20.020 g
10 g9.990  –  10.010 g
5 g4.995  –  5.005 g
2 g1.998  –  2.002 g
1 g0.999  –  1.001 g
0.5 g0.499  –  0.501 g
0.2 g0.199  –  0.201 g
0.1 g0.099  –  0.101 g
0.05 g0.049  – 0.051 g
0.02 g0.019  –  0.021 g

CONCLUSION:   The observed weights are/are not within the tolerance limits, hence the balance. Is/is not working satisfactorily?

ANALYST BY/DATE::

CHECKED BY/DATE:Q.C. HEAD BY/DATE::