Common Misoperations of Halogen Moisture Analyzers in the Laboratory

Time：

2026-01-29 14:08

A halogen moisture analyzer is a new type of rapid moisture detection instrument. It utilizes a ring halogen lamp for heating, features intelligent operation, and can quickly and evenly dry samples, providing accurate moisture measurement results. The usage of a halogen moisture analyzer primarily involves four core steps: instrument preparation, parameter setting, sample testing, and result recording.

The LICHEN rapid moisture analyzer equipment can reach maximum heating power in a relatively short time, typically completing measurements for general samples within minutes. It is simple to operate and provides accurate testing. It is essential to ensure that environmental conditions meet requirements (temperature 5-40°C, humidity 50%-75%) and that the instrument is strictly calibrated. The instrument can display nine moisture measurement parameters (Sample weight G; Dry weight g; Moisture content; Solid content; Regain; Wet weight ratio; Heating time (min; sec); Drying temperature; End mode), and features connectivity functions with computers and printers. It is suitable for the rapid determination of free moisture in various samples (such as chemical materials, grains, foods, minerals, pharmaceuticals, tobacco, papermaking, coal, plastic pellets, metal powders, solid content in paints, tea oil, minerals, soil, sludge, etc.). It is widely applied in industries such as pharmaceuticals, plastics, metallurgy, coal mining, building materials, chemical engineering, food, agriculture and forestry, papermaking, rubber, and textiles - all of which require rapid moisture measurement for samples.

I. Common Misoperations of Halogen Moisture Analyzers

Placing excessive items near the instrument
During the heating process of a halogen moisture analyzer, the upper cover dissipates heat. No items should be placed on it, and it should not be touched. Sufficient space should be reserved around the instrument during operation to prevent overheating, which could affect measurement results and damage the instrument.

Failure to adjust balance
Some users only adjust the instrument balance during the first use. When the instrument's position changes or the leveling bubble deviates, it can affect measurement accuracy. Therefore, attention should be paid to the position of the leveling bubble, and the balance should be readjusted after the equipment is moved.

Failure to preheat
To obtain accurate data during measurement, the instrument needs to be preheated before use. However, many users forget this step.

Reusing the instrument before it cools down
After use, the instrument should be allowed to cool down before the next use. Otherwise, it may easily affect the accuracy of measurements.

II. Other Operational Precautions

Turn off the power switch when the equipment is not in use.
Before use, check whether the power supply voltage matches the equipment's requirements, and inspect the socket and equipment for any damage.
Handle the cover gently when placing it.
The sample being measured must not exceed or fall below the instrument's rated measurement range.
Before placing a sample, clean the weighing pan of the equipment to avoid affecting measurement data.
Regularly clean the temperature sensor and heating chamber. Unplug the power cord before cleaning to prevent accidents.
When cleaning the equipment, use a soft cloth or neutral cleaning agent. Do not use corrosive cleaners or solvents. During cleaning, take care to prevent cleaning agents from flowing into the interior of the instrument.

III. Analysis of Causes for Moisture Analyzer Errors and Solutions

Selected temperature is too high or sample oxidizes
- Appropriately reduce the drying temperature.

Selected drying time is too short
- Extend the drying time.

Sample is not completely dry due to reasons like surface crust formation
- Try mixing with quartz sand for drying.

Sample inhomogeneity due to different components
- The less uniform the sample, the more sample quantity is needed to obtain results with better repeatability.

Sample boils and splashes continuously, altering temperature; protective glass is contaminated
- Clean the protective glass.

Unstable external environment, such as vibration.

Temperature sensor is contaminated or damaged
- Clean the temperature sensor.

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