Koyuan
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| Brand | Koyuan |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | China |
| Model | KY-200 Microcoulometric Sulfur Analyzer |
| Price Range | USD 4,200 – 7,000 (FOB) |
| Analyte | Total Sulfur |
| Measurement Principle | Microcoulometric Titration (ASTM D3229 / SH/T 0253-92 / GB/T 11061-1997 / SH/T 0222-1992) |
| Sample Forms | Liquid, Solid, Gas (with optional injectors) |
| Detection Range | 0.2–10,000 mg/L S |
| LOD | 0.2 mg/L S |
| Repeatability | ±0.1 mg/L (0.5–1.0 mg/L) |
| Furnace Temp Control | Ambient to 1100 °C, ±1 °C |
| Carrier Gases | Technical-grade O₂ and N₂ |
| Cooling | Air-cooled裂解 furnace with auto-start/stop fan |
| Power Requirement | 1500 W |
| Brand | Koyuan |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | KY-3000SN |
| Price | ¥260,000 |
| Standards Compliance | SH/T 0689, ASTM D5453 (S), SH/T 0657, ASTM D4629 (N) |
| Measurement Methods | UV Fluorescence (S), Chemiluminescence (N) |
| Sample Types | Liquid, Solid, Gas (with optional injectors) |
| S Range | 0.2 mg/L to 100% w/w |
| N Range | 0.1 mg/L to 100% w/w |
| LOD | 0.2 mg/L (S), 0.1 mg/L (N) |
| Carrier Gases | ≥99.98% O₂, ≥99.98% Ar |
| Furnace Temp Range | Ambient to 1100 °C |
| Temp Control Accuracy | ±3 °C |
| Power Supply | AC 220 V ±10%, 50 Hz ±0.5 Hz |
| Power Consumption | 2 kW |
| Dimensions | 680 × 480 × 400 mm |
| Data Acquisition | 24-bit USB interface, signal resolution <1 µV |
| PMT Voltage | Adjustable |
| Calibration | Single-point or multi-point |
| Software | Cross-platform (Windows/macOS/Linux), GLP-compliant data handling |
| Brand | Koyuan |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Coulometric Karl Fischer Moisture Analyzer |
| Titration Mode | Fully Automatic Electrolytic Titration |
| Sample Form | Liquid |
| Measurement Range | 3 ppm – 99.99% H₂O |
| Detection Sensitivity | 0.01 µg H₂O |
| Resolution | 0.1 ppm (typical for coulometric systems) |
| Endpoint Detection | Potentiometric (dual-current mode) |
| Power Consumption | 50 W |
| Dimensions | 280 × 280 × 160 mm |
| Compliance | GB/T 7600–1987, SH/T 0246–1992, SH/T 0255–1992 |
| Interface | USB 2.0 (PC-controlled) |
| Electrolysis Cell | Custom Fritted-Glass Electrode Assembly (membrane-free design) |