WS-5 Micro Moisture Automatic Analyzer

WS-5 typeMicro moisture automatic analyzerThe characteristics are large screen LCD display, Chinese guided operation, and unmarked buttons; The measurement process is fully automated, and the results are calculated and a measurement list is printed. The measuring instrument adopts the principle of Karl Fischer Coulomb method, which has the advantages of high measurement accuracy, good repeatability, and low testing cost. It is widely used in departments such as petroleum, chemical, pharmaceutical, power, scientific research, and education, and can be used to accurately measure trace moisture in various liquids, solids, and gases.

WS-5 typeMicro moisture automatic analyzerFeatures: Large screen LCD display, Chinese guided operation, and unmarked buttons; measure
The measurement process is fully automated, and the results are calculated and a measurement list is printed. The applicable standard is GB/T7600 (ASTM D323). Determination of Trace Moisture in Insulation Oil of Oil filled Electrical Equipment in Petroleum and Chemical Plants
WS-5 typeMain technical indicators:
Measurement range: 3-200mg H2O
Sensitivity: 0.1 μ g H2O
Accuracy:<3 μ g H2O
Resolution: 0.1 μ g H2O
Power supply: AC220V ± 10% 50Hz ± 1
Dimensions: 320 × 240 × 200 mm

WS-5 typePrecautions for reagents

The newly replaced reagent is dark brown in color, and when it enters the sample measurement, the instrument displays iodine. At this time, measurement cannot be carried out, and an appropriate amount of pure water needs to be added to adjust the equilibrium point of the reagent. You can first use a 100 microliter sampler to extract 90 microliters of pure water for injection. When the color of the reagent becomes noticeably lighter, it is important to control the injection volume until it enters a water state.

2. In order to make the measurement results more accurate and effective, we suggest injecting 5 microliters of pure water into the new reagent just after it has entered the water state. After the instrument finds the equilibrium point, it can be calibrated and the sample measurement can be carried out.

3. The interval between instrument use is relatively long. In the next use, shake the electrolytic cell bottle a few more times to make the reagent absorb the water on the bottle wall faster, and the instrument will enter the equilibrium point faster.

During normal measurement, every 100 milliliters of reagent can react with no less than 0.4 grams of water. If the measurement time is too long and the sensitivity of the reagent decreases, a new reagent should be replaced.

If a large number of bubbles are released or the reagent is contaminated into a light reddish brown color during the electrolysis process, the blank current will increase, the reproducibility of the measurement will decrease, and the time to reach the endpoint will be prolonged. In this case, the reagent should be replaced immediately.

6. Be careful not to inhale or touch the reagent with your hands. If in contact with the skin, rinse thoroughly with clean water in a timely manner.

7. The reagent is corrosive, please keep it properly.