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HM401 Karl Fischer Titrator Setting Introduction Video
Product Overview & Applications

The HM401 Transformer Oil Trace Moisture Analyzer employs the Karl Fischer titration method, utilizing state-of-the-art control circuits and a 32-bit embedded microcontroller processor as its core control unit, coupled with an embedded micro-operating system. This trace moisture titrator features rapid analysis, user-friendly operation, high precision, and strong automation capabilities. It has been widely adopted across industries including petroleum, chemical, power generation, railways, pesticides, pharmaceuticals, and environmental protection.
Features & Advantages

●The 32-bit embedded microprocessor is used as the main control core to embed the mini operating system.
●0-400ma automatic detection, high precision, fast measurement speed, stable and reliable.
●The motherboard adopts high-quality SMT components with high integration, simple operation and long service life
●Contains 4 calculation formulas, and the measurement results are automatically converted to the required units and can be converted to each other.
●Color touch screen, full numeric keyboard, more concise operation, convenient and quick data calculation.
●With graph curve analysis to help analyze water content trend.
●Switching between Chinese and English at any time.
Technical Specifications
|
Parameter Category |
Details |
|
Titration Method |
Coulometric titration |
|
Measurement Range |
0µg–200mg (typical value: 10µg–200µg) |
|
Electrolysis Current |
0–400mA |
|
Sensitivity |
0.1µg H2O |
|
Accuracy |
10µg~1000µg±10% |
|
≥1mg: error ≤0.3% |
|
|
Sample Types |
Solid, liquid, gas |
|
Display |
64K Color LCD touch screen |
|
Data Storage |
1000 test records |
|
Power Supply |
AC220V±10V, 50Hz |
|
power consumption <40W |
|
|
Dimensions |
38cm×31cm×18cm (L×W×H) |
| Weight | About 6kg |
Panel Description

Figure 1
| 1. Color touch screen | 2. Printer |
| 3. Electrolytic electrode socket | 4. Measuring electrode socket |
| 5. Electrolytic tank socket | 6. Turn the speed knob |

Figure 2
| 7.Earthing rod | 8. Power socket and integrated switch |
Electrolytic tank schematic diagram:

Figure 3
| (1) Grinding plug | (2)Electrolytic electrode |
| (3)Drying tube | (4)Sample cock |
| (5)Stirrer | (6)Measuring electrode |
Product Details











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