
HZ-2122C ASTM D1533 Coulometric Karl Fischer Trace Moisture Meter
HZ-2122C ASTM D1533 Coulometric Karl Fischer Trace Moisture Meter
I. Overview
This instrument is designed and manufactured in compliance with multiple national and international standards: GB/T 7600, Standard Test Method for Water Content of Transformer Oil in Service (Coulometric Method); SH/T 0246, Standard Test Method for Water Content of Light Oils (Coulometry); ASTM D1533, Standard Test Method for Water in Insulating Liquids by Coulometric Karl Fischer Titration; and ASTM D6304, Standard Test Method for Determination of Water in Petroleum Products, Lubricating Oils and Additives by Karl Fischer Titration. It is used to determine water content in liquid petroleum products.
The instrument adopts microcomputer control technology, enabling automated and precise measurement. It features fast analysis speed, high precision, an LCD display for clear readouts, automatic printing for convenient documentation, and menu selection for easy operation. Overall, it is a fully functional, easy-to-operate, automatic measuring and analyzing instrument suitable for a wide range of water content testing applications.
II. Main Technical Features
Suitable for microanalysis of low-content samples with high sensitivity.
Equipped with an imported 0.5 µL injector for calibration, ensuring fast and accurate instrument calibration.
Stores up to 20,000 experimental results for easy query.
The proprietary alternating balance isolation detection technology ensures rapid, accurate, and stable balance measurement.
The electrolysis circuit employs advanced PWM pulse width modulation technology, significantly reducing overall power consumption.
Friendly human-machine dialogue with touchscreen interactive interface.
Displays the clock (year, month, day, hour, minute, second) with data retention during power failure.
Printer: Integrated high-speed thermal micro-printer supporting multilingual alphanumeric test report printing with low acoustic noise.
Program-controlled stirring speed adjustment via direct numeric input from the interface.
Multiple formula selection with automatic display unit conversion (µg, mg/L, ppm, %) and memorization.
III.Main technical specifications
| Item | Specification |
| Measurement Range | 0.0001% (1ppm) to 100% (water content) |
| Sensitivity Threshold | 0.01 μg H₂O (0.01 microgram water detection limit) |
| Measurement Accuracy | 5μg–1mg: ±2μg |
| >1mg: ±0.2% (relative error) | |
| Display Mode | 7.0-inch LCD color touchscreen |
| Test Result Output | Printable (supports test data documentation) |
| Power Supply | AC (220±10%)V, (50±5%)Hz |
| Maximum Power Consumption | ≤60W |
| Operating Environment | Temperature: 5°C–40°C; RH ≤85% (non-condensing) |
| Dimensions (L×W×H) | 385mm × 290mm × 280mm |
| Net Weight | 8kg |



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