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The Karl Fischer Coulometric Titration Method is widely used for precise measurement of trace moisture content in samples due to its high accuracy and low testing cost. This instrument, based on the Karl Fischer Coulometric Titration principle, accurately measures trace moisture in liquids, solids, and gases. It is applicable in industries such as power, petroleum, chemical, pharmaceutical, and food, complying with national standards GB7600 and GB/T11133.
This instrument adopts a powerful next-generation processor and advanced peripheral circuits. The measurement electrode signal serves as the criterion for electrolysis termination, where stability and accuracy are critical for measurement precision. By utilizing advanced components and algorithms, the instrument achieves precise detection of electrode signals. Enhanced software compensation algorithms further improve measurement accuracy. The Android-based system features a large color touchscreen with an intuitive graphical interface.
7-inch LCD touchscreen with user-friendly interface.
·Low-voltage constant-current electrolysis circuit reduces power consumption.
High-precision measurement electrode signal generation and detection circuits ensure rapid and accurate endpoint determination with strong anti-interference capability.
Automatic blank current subtraction and equilibrium point capture.
Real-time display of electrolysis current and blank current during operation.
Electronically adjustable stirring speed.
Automatic detection of measurement electrode open/short circuits, excess iodine in electrolyte, and electrolysis electrode faults.
Four injection modes: liquid (volume), weighing (mass), dilution, and gas (volume). Each mode displays measured moisture values and automatically calculates water content.
Real-time clock with power-off retention.
Storage of up to 10,000 timestamped historical records.
No. | Item | Specification |
1 | Measurement Range | 5μg～10mg (5μg measurement requires optimal lab conditions for accurate results). |
2 | Resolution | 0.01μg |
3 | Precision | ±3μg (excluding sampling error) |
4 | Accuracy | 1μg～1000μg: ±5μg; >1000μg: ≤±0.3% (excluding sampling error) |
5 | Electrolysis Current | 0～300mA |
6 | Power Supply | AC 220V±10%, 50Hz±5% |
7 | Maximum Power | 20W |
8 | Operating Temperature | 5～35℃ |
9 | Operating Humidity | ≤85% |
10 | Dimensions | ≤384×260×190mm |
11 | Weight | ≤5kg |
