Online infrared moisture analyzer

Online infrared moisture analyzer

1. Molecular structure, such as hydrogen oxygen bonds in water, absorbs near-infrared light of a specific wavelength (specific measurement band 1940nm). At a specific wavelength, the reflected near-infrared energy is inversely proportional to the near-infrared energy absorbed by water molecules in the material. The moisture content of the tested material can be calculated based on the amount of energy loss.
2. Water molecules are not stationary: they vibrate when encountering specific energy bands. The bond that binds two hydrogen atoms and an oxygen atom in a water molecule can stretch, contract, or twist in other forms. External energy is needed to induce these vibrations. The required energy covers specific bands throughout the entire electromagnetic spectrum. In different parts of the entire spectrum, there are some absorption bands that are very strong and some that are very weak. In the near-infrared region of the spectrum, this band is particularly strong for water molecules, and the instrument is easier to achieve in terms of emitting, filtering, and receiving energy.
3. Near infrared measurement technology is a non-destructive, non-contact real-time measurement technology. 1. Main technical parameters of online infrared moisture analyzer

1. Measurement range: 0-80% (depending on the product)

2. Measurement accuracy: 0.1-0.3% (depending on the product)

3. Dual detector synchronous detection technology, 6-wavelength testing principle.

3. Resolution: 0.01%.

4. Measurement area: 60mm diameter (when the probe is 200mm away from the material)

5. Measurement speed: 0.01 seconds

6. Calibration and Calibration: Quick Calibration, Pre Calibration,

No need for daily calibration

7. Filtering: Linear or exponential (0.1-180 seconds)

8. Analog output: Two sets of 4-20mA outputs;

(Connect PLC or digital display)

9. Communication output: Two sets of RS485 digital signal output;

10. Calibration files: can store 50-100 calibration files

11. Working temperature: 0-50 ℃

12. Power requirement: 110-230V

13. Sensor construction: Stainless steel casing (IP65 protection level)

14. Cleaning and blowing interface: blowing port diameter 6mm, compressed air 0.5-1Bar

Online infrared moisture analyzer

Moisture analyzer using physical analysis method

Mainly including microwave transmission technology, infrared moisture meter, halogen moisture meter, needle moisture meter, and induction moisture meter.

The microwave transmission water analyzer utilizes advanced microwave transmission water technology, which is highly sensitive to free water molecules and can detect the entire cross-section of the substance. Even if the water distribution is uneven, the measurement results are representative.

Infrared moisture meters and halogen moisture meters both use physical heating to remove free moisture and measure moisture through weight changes. They are commonly used in industries that do not require high accuracy, such as pharmaceuticals, plastics, chemicals, food, and grains. Compared to an oven, it has shorter testing time, is easier to use, has higher accuracy, and is much more efficient, usually only requiring a few minutes. The accuracy can reach one ten thousandth, which is quite accurate and can meet the requirements of the vast majority of moisture determination.