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| Brand | Forerunner |
|---|---|
| Origin | Beijing, China |
| Model | ZDJ-2S |
| Titration Mode | Fully Automated |
| Method Type | Dual-Mode (Coulometric & Volumetric Karl Fischer) |
| Measurement Resolution | 0.01 μA |
| Water Content Range | 0.01 mg to 100% w/w |
| Accuracy | ≤0.3% RSD |
| Minimum Dispensing Increment | 1/2000 of burette volume |
| Titration Control Precision | 0.1 μA |
| Drift Compensation | Automatic background drift correction (drift <5 µg H₂O/min) |
| Detection Limit | 0.01 mg H₂O |
| Sample Forms | Liquids, solids, gases, pastes |
| Display & Interface | Bilingual (Chinese/English) LCD with real-time titration curve visualization |
| Data Output | GLP/GMP-compliant report formats (%, ppm, mg), statistical analysis capability |
| Software | Embedded titration monitoring software with firmware upgrade support |
| Compliance | Designed for ISO 8533, ASTM E203, USP <921>, and EP 2.5.12 environments |
| Brand | Forerunner |
|---|---|
| Origin | Beijing, China |
| Model | ZDJ-3S |
| Titration Mode | Fully Automatic |
| Method Principle | Volumetric & Coulometric Karl Fischer Titration |
| Current Resolution | 0.01 µA |
| Moisture Range | 10 ppm to 100% w/w |
| Measurement Accuracy | ±10 ppm |
| Minimum Dispensing Volume | 0.1 µL (1/20000 of burette volume) |
| Titration Control Precision | 0.1 µL |
| Polarization Voltage Output | 0–2550 mV (10 mV step, <±3% error) |
| Max Polarization Current | 5 mA |
| Current Range | 0–200 µA |
| Effective Current Accuracy | ±0.1 µA |
| Drift Compensation | Auto/manual background subtraction |
| Data Output Compliance | GLP/GMP-compliant reporting format |
| Interface | RS-232C (printer & PC connection) |
| Method Storage | 100 protocols |
| Optional | Dead-stop titration capability with accessory kit |
| Brand | Forerunner |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic |
| Model | ZDJ-600S |
| Titration Method | Fully Automated Volumetric Titration |
| Instrument Type | Volumetric Karl Fischer Moisture Analyzer |
| Current Resolution | 0.01 µA |
| Moisture Range | 10 ppm to 100% w/w |
| Measurement Accuracy | ≤0.2% RSD |
| Minimum Dispensing Volume | 5 µL |
| Burette Precision | 1/20,000 |
| Burette Capacity | 10 mL (standard) |
| Burette Accuracy | ±10 µL @ 10 mL |
| Polarization Current Range | 0–200 µA |
| Polarization Voltage Range | 0–2550 mV |
| Polarization Voltage Step | 10 mV |
| Effective Current Accuracy | Better than ±0.1 µA |
| Repeatability (Pure Water) | <1% RSD |
| Standardization Repeatability | ±0.5% of mean across three consecutive runs |
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