Instrument calibration protocol for Moisture Analyzer
Instrument | Mettler Toledo Moisture Analyzer |
Frequency | Monthly |
Model No. | |
Make | Mettler Toledo |
Instrument no. | |
Di – Sodium Tartarate Batch no. | |
Weight box no. | |
Std. Weight calibration Due date | |
Spirit level | |
Date of Calibration |
1. Determination of % Loss on Drying:
Weight taken (g) First reading | Weight taken (g) Second reading | % LOD | MEAN | LIMITS |
Weight of Di -Sodium Tartarate = | Weight of Di -Sodium Tartarate = | 14.00 % to 17.00 % w/w (At 150°C) |
2. Determination of moisture analyzer balance calibration:
Standard Weight | Difference | LIMITS | REMARKS |
50 gm | + 0.050 g |
3. Weight Calibration
Weight loaded in g. (a) | Weight displayed in g. (b) | Difference in g (a-b) | Limit in g | Done by | Checked by | Remarks |
1.000 | ±0.001 | |||||
10.000 | ±0.010 | |||||
30.000 | ±0.030 | |||||
50.000 | ±0.050 |
Remarks: Calibration Satisfactory / Not Satisfactory
Calibrated By (Sign/ Date)
Checked By (Sign/ Date)