Physical testing
Moisture Analyser (Halogen / IR LOD Balance)
A balance with a built-in halogen or infrared heater. It dries a sample on the pan and calculates the loss on drying automatically, usually in a few minutes.
- Pharmaceutical
- Food
- Plastics
- Chemicals
- Agriculture
TROUBLESHOOTING
Common problems, causes and fixes
Results lower than oven LOD
Likely causes
- • Temperature too low
- • Switch-off criterion too loose
- • Sample too thick
What to do
- • Re-validate method settings
- • Tighten the criterion
- • Use a thinner, even layer
Sample burns or turns brown
Likely causes
- • Temperature too high
- • Sample sensitive to heat
What to do
- • Lower the temperature and lengthen the time
- • Use a glass fibre filter over the sample
Unstable reading
Likely causes
- • Draughts or vibration
- • Instrument not level
What to do
- • Move to a stable location
- • Level the instrument
Poor repeatability
Likely causes
- • Variable sample mass or spreading
- • Non-uniform sample
What to do
- • Use the same mass and spreading each time
- • Mix the sample before sampling
In LimsPulse · Calibration Management
Keep every Moisture analyser in control: usage logs, calibration and maintenance schedules, and automatic blocking of overdue instruments.