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| Brand | Keyuan Instruments |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | KY-210B |
| Instrument Type | Universal Potentiometric Titrator |
| Application Scope | General-purpose |
| Bias Voltage Range | 0–500 mV (adjustable) |
| Chloride Ion Measurement Range | 0.1 ppm to full percentage content |
| Accuracy | < ±2% |
| Repeatability | ≤ ±0.1 mg NaCl/L (for samples ≤2 mg NaCl/L) |
| Detection Sensitivity | Cl⁻: 0.1 mg/L |
| Titration Cell Volume | 145 mL |
| Sample Mass | 0.02–0.05 g |
| Dimensions (W×D×H) | 465 × 280 × 195 mm |
| Power Consumption | 40 W |
| Operating Environment | 10–40 °C, RH ≤80%, low electromagnetic interference |
| Brand | Kyoyuan |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Category | Domestic |
| Model | KY-4 |
| Instrument Type | Basic Nitrogen & Mercaptan Sulfur Analyzer |
| Application Scope | Dedicated Analyzer |
| Sample Form | Liquid |
| Measurement Range | ≥3 µg/g |
| Titration Method | Potentiometric Titration |
| Minimum Titration Volume | 0.01 mL |
| Potential Measurement Range | 0 to ±1999.5 mV |
| Burette Accuracy | ±0.1% F·S |
| Electronic Unit Basic Error | ±0.1% of full scale + 0.5 mV |
| Accuracy | Relative error ≤5% |
| Compliance Standard | SH/T 0162 |
| Brand | Keyuan Instruments |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Universal Potentiometric Titrator |
| Model | KY-4Br |
| Measurement Principle | Coulometric Titration (Microcoulometry) |
| Measurement Range | Bromine Number: 0–300 g Br/100g oil |
| Bromine Index | 1–1000 mg Br/100g oil |
| Detection Limit | 1 mg Br |
| Accuracy | ±3% ±0.2 g Br (bromine number) |
| Resolution | 0.01 mg Br |
| Bias Voltage Range | 0–500 mV |
| Sample Volume | <10 µL (bromine number) |
| Reagent Consumption | <1 mL per sample |
| Power Consumption | 20 W |
| Compliance Standards | SH/T 0630–1996, SH/T 1551–2018, GB/T 11136–1989(2004), SH/T 1767–2008(2015), GB/T 1815–1997, ASTM D1492 |
| Brand | Keyuan Instruments |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | OEM Manufacturer |
| Region of Origin | Domestic (China) |
| Model | KY-6 |
| Instrument Category | Automatic Potentiometric Titrator |
| Application Scope | Universal |
| Measurement Range | ≥0.001 mg KOH/g |
| Potentiometric Measurement Range | −2000.0 to +2000.0 mV |
| Electronic Unit Basic Error | ±0.1% F·S ± 0.1 mV |
| Input Impedance | ≥1 × 10¹² Ω |
| Burette Capacity | 10 mL |
| Minimum Dispensing Volume | 0.001 mL |
| Burette Accuracy | ±0.1% F·S |
| Titration Accuracy | ±0.1% F·S |
| Endpoint Detection | Adaptive endpoint recognition via smoothed titration curve analysis |
| Compliance Standards | GB/T 7304–2000, GB/T 18609–2010 |
| Brand | Keyuan Instruments |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Region of Origin | Domestic (China) |
| Model | KY-4D |
| Instrument Type | Alkaline Nitrogen & Mercaptan Sulfur Analyzer |
| Application Scope | General-purpose petroleum product analysis |
| Measurement Range | ≥3 µg/g |
| Burette Resolution | 0.01 mL |
| Potentiometric Accuracy | ±0.1% F.S. |
| Potential Measurement Range | (0 to ±1999.5) mV |
| Brand | Kyoyuan |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Universal Potentiometric Titrator |
| Application Scope | Dedicated for Hydrocarbon Analysis |
| Bromine Number Range | 0–300 g Br/100 g oil |
| Bromine Index Range | 1–1000 mg Br/100 g oil |
| Potential Measurement Accuracy | 0.1 mV ± 0.03% |
| Potential Resolution | 0.1 mV |
| Titration Volume Precision | 0.001 mL |
| Bromine Mass Resolution | 0.01 mg Br |
| Detection Limit | 0.1 mg Br |
| Accuracy | ±5% (bromine index ≥ 1 mg Br/100 g oil) |
| Bias Voltage Range | 0–500 mV |
| Cell Volume | 150 mL |
| Stirring Method | Magnetic Stirring |
| Power Supply | 220 V, 50 Hz |
| Power Consumption | 20 W |
| Weight | ~1.6 kg |
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