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| Brand | Kyoyuan |
|---|---|
| Model | KY-200AOX |
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Compliance | HJ 1214–2021, GB/T 22904–2008 |
| Temperature Range | 100–1150 °C |
| Temperature Control Accuracy | ±1 °C |
| Detection Range | 0.028–1000 mg/L (100 mL sample volume) |
| LOD | 0.007 mg/L as Cl⁻ |
| Analysis Time | 3–10 min (excluding sample pretreatment) |
| Carrier Gas | O₂ ≥99.9% |
| Sample Introduction | Modified quartz boat with direct liquid/solid injection capability |
| Sample Mass | 50 mg |
| Power Consumption | 1.5 kW |
| Electrical Supply | 220 V, 50 Hz |
| Net Weight | ~15 kg |
| Brand | Kyoyuan |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | KYD-2003 |
| Instrument Type | Benchtop Centrifuge |
| Speed Category | Low-Speed Centrifuge (up to 10,000 rpm) |
| Functionality | Refrigerated Centrifuge |
| Configuration | Fixed-Angle Rotor Centrifuge |
| Maximum Capacity | 6 × 85 mL |
| Maximum Rotational Speed | 30,000 rpm |
| Maximum RCF | Not Specified |
| Dimensions (W×D×H) | 400 × 550 × 650 mm |
| Input Voltage | AC 220 V ± 22 V |
| High-Voltage Output Range | AC 0–6,000 V (adjustable) |
| Power Consumption | 1,000 W |
| Temperature Control Range | Ambient to 180 °C |
| Temperature Accuracy | ±5 °C |
| Operating Environment | 0–40 °C |
| Brand | Keyuan Instruments |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Model | KY-403 |
| Measurement Range | ≥0.001 mg KOH/g |
| Potentiometric Range | −2000.0 to +2000.0 mV |
| Basic Electrical 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. |
| Precision | Compliant with or Exceeding GB/T 18609 and GB/T 7304 |
| Operating Temperature | 0–35 °C |
| Power Supply | AC 220 V ± 22 V, 50 Hz |
| Origin | Jiangsu, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | KY-4As |
| Pricing | Available Upon Request |
| Measurement Principle | Microcoulometric Titration |
| Sample Type | Liquid |
| Detection Method | Hydride Generation–Microcoulometric Detection |
| Bias Voltage Range | 0–500 mV |
| Measurement Range | 1 × 10⁻⁹ % (1 ppb) to % level |
| Input Impedance | ≥10⁶ Ω |
| Output Voltage | ±24 V |
| Baseline Drift | ≤5 µV / 20 min |
| Temperature Control Accuracy | ±0.5% or ±5 °C (whichever is greater) |
| Analysis Time (instrumental only) | 5–10 min |
| Detection Limit | 1 ppb As |
| Operating Humidity | <80% RH |
| Operating Temperature | 10–40 °C |
| Origin | Jiangsu, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Region of Origin | Domestic (China) |
| Model | KY-403 |
| Pricing | Available Upon Request |
| 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 | Kyuan Instruments |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | KY-3000SA |
| Detection Principle | UV Fluorescence |
| Portability | Benchtop (Non-portable) |
| Analyte | Total Sulfur |
| Measurement Range | 0.2 mg/L to 5000 ppm to % (w/w) |
| Analysis Time | <10 min |
| Detection Limit | 0.2 mg/L |
| Accuracy | ±0.1 mg/L for 0.2 mg/L ≤ X < 1.0 mg/L |
| Repeatability | CV ≤10% (1.0–100 mg/L), CV ≤5% (100–10,000 mg/L) |
| Temperature Control Range | Ambient to 1300 °C |
| Temperature Stability | ±3 °C |
| Power Consumption | 2 kW |
| Gas Requirements | High-purity O₂ (≥99.98%), High-purity Ar (≥99.98%) |
| Data Acquisition | 24-bit ADC, USB Interface |
| PMT Voltage | Adjustable |
| Calibration Modes | Single-point or multi-point calibration |
| Compliance Standards | SH/T 0689, ASTM D5453, GB/T 34100–2017 |
| 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 |
| Origin Category | Domestic (China) |
| Model | KY-4S |
| Pricing | Upon Request |
| Sample Type | Liquid |
| Analytical Method | Potentiometric Titration |
| Detection Limit | ≥3 µg/g |
| Minimum Titrant Dispense Volume | 0.01 mL |
| Potentiometric Range | 0 to ±1999.5 mV |
| Burette Accuracy | ±0.1% F.S. |
| Electronic Unit Basic Error | ±0.1% of full scale + 0.5 mV |
| Relative Standard Deviation | ≤5% |
| Compliance Standard | GB/T 1792–1988 “Determination of Mercaptan Sulfur in Distillate Fuels” |
| Brand | Keyuan Instruments |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | KY-0125 |
| Price | Upon Request |
| Applicable Standard | ASTM D2420, SH/T 0125 |
| Heating Method | Electric Tubular Heater |
| Temperature Control | Digital PID Controller with PT100 Sensor |
| Flow Regulation | Adjustable Needle Valve with Flowmeter |
| Total Power | 1000 W |
| Power Supply | AC 220 V, 50 Hz |
| Detection Limit | 4 mg/m³ H₂S |
| Interference Profile | Methyl mercaptan causes transient yellow staining on lead acetate paper (<5 min fade) |
| Origin | Jiangsu, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | KY-4Wa |
| Pricing | Upon Request |
| Brand | Kyoyuan |
|---|---|
| Model | KY-9000S |
| Measurement Principle | UV Fluorescence (for Total Sulfur in Liquids) |
| Sample Type | Liquid |
| Sample Capacity | 19-position autosampler tray |
| Solvent Bottles | 2 |
| Waste Bottle | 1 |
| Injection Volume | 0.1–250 µL |
| Detection Range | 0.1–20,000 mg/L |
| LOD | 0.1 mg/L |
| Repeatability | ±0.2 mg/L at 1.0 mg/L |
| Furnace Temperature Range | Ambient to 1100 °C |
| Temperature Control Accuracy | ±2 °C |
| Gas Requirements | High-purity O₂ (≥99.99%) and Ar (≥99.99%) |
| Power Consumption | 1800 W |
| Compliance | ASTM D5453, D6667, D7183 |
| Origin | Jiangsu, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | KY-403B |
| Pricing | Available Upon Request |
| Sample Type | Liquid |
| Sulfur Alcohol (Mercaptan Sulfur) Measurement Range | 0.0001–0.01 % (m/m) |
| Titration Method | Potentiometric Titration |
| Burette Capacity | 10 mL |
| Minimum Dispensed Volume | 0.01 mL |
| Potential Measurement Range | ±1999.5 mV |
| Burette Accuracy | ±0.1 % F.S. |
| Electronic Unit Basic Error | ±0.1 % of full scale + 0.5 mV |
| Relative Error | ≤5 % |
| Input Impedance | ≥1 × 10¹² Ω |
| Compliance | JJG 814–2015 Verification Regulation for Automatic Potentiometric Titrators |
| Brand | Keyuan Instruments |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Model | KY-102 |
| Measurement Principle | Infrared Absorption (CO₂ & SO₂) |
| Carbon Range | 0.005–10.0000% (extendable to 99.999%) |
| Sulfur Range | 0.0005–0.3500% (extendable to 99.999%) |
| Analysis Time | ~35 s (excluding sample weighing) |
| Detection Limit | 200 ppm |
| Sample Mass | 100 mg – 1 g |
| Repeatability | ±200 ppm (200–1000 ppm) |
| Weighing Capacity | 0–100 g |
| Readability | 0.001 g |
| Required Gas | O₂ at 0.5 MPa, ≥99.7% purity |
| Combustion Methods | Tube Furnace (for viscous samples), Arc Furnace (for solid samples) |
| Compliance Standards | GB/T 223.69–1997 (C), GB/T 223.68–1997 (S) |
| Interface | Windows-based GUI with real-time curve display |
| Data Acquisition | PCI-bus integrated control and acquisition system |
| Detector | Low-noise, high-sensitivity, anti-interference infrared detector |
| Channel Configuration | 16 independent channels for carbon, 16 for sulfur (32 total, user-configurable) |
| Brand | Kyoyuan |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | OEM Manufacturer |
| Country of Origin | China |
| Model | KY-3000 |
| Price | Upon Request |
| Analysis Time | 1–999 s (recommended 60 s) |
| Detection Limit | 10 ppm |
| Sulfur Range | 0.001–9 wt% (petroleum matrix) |
| Accuracy | Compliant with GB/T 17040, SH/T 0742–2004, ASTM D4294, and GB/T 11140 |
| Operating Temperature | 5–40 °C |
| Relative Humidity | ≤85% at 30 °C |
| Power Supply | 220 V ±20 V, 50 Hz |
| Power Consumption | <150 W |
| Dimensions (L×W×H) | 560 × 470 × 150 mm |
| Weight | 20 kg |
| Brand | Keyuan Instruments |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | OEM Producer |
| Region Classification | Domestic (China) |
| Model | KY-104C |
| Pricing | Upon Request |
| Brand | Keyuan Instruments |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | KY-3000S |
| Price Range | USD 7,000 – 14,000 |
| Detection Principle | Ultraviolet Fluorescence (UVF) for Total Sulfur |
| Compliance Standards | SH/T 0689, ASTM D5453, GB/T 34100-2017 |
| Sample Forms | Liquid, Solid, Gas (with optional injectors) |
| Detection Range | 0.2 mg/L to 5000 ppm (equivalent to 0.00002–0.5 wt%) |
| LOD | 0.2 mg/L (as S) |
| Repeatability | ±0.2 mg/L at 1.0 mg/L |
| Furnace Temp Control | Ambient to 1300 °C, ±1 °C stability |
| Carrier & Oxidant Gases | High-purity O₂ (≥99.98%), high-purity Ar (≥99.98%) |
| Power Requirement | 2 kW |
| Data Acquisition | 24-bit ADC, USB 2.0 interface, minimum detectable signal <1 µV |
| PMT Voltage | Adjustable, software-controlled |
| Calibration Modes | Single-point or multi-point linear/nonlinear curve fitting |
| Software Compatibility | Windows 7/10/11, macOS (via Wine-compatible runtime), Linux (CLI support) |
| Brand | Keyuan Instruments |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | KY-200 |
| Pricing | Available Upon Request |
| Principle | Microcoulometric Titration (ASTM D3227, ASTM D5808, SH/T 0253–1992, GB/T 11061–1997, SH/T 0222–1992) |
| Sample Types | Liquid, Solid, Gas (with optional injectors) |
| Detection Method | Coulometric Generation of Titrant (I₂ for S |
| Sulfur Range | 0.2–10,000 mg/L |
| Chlorine Range | 0.3–10,000 mg/L |
| Bias Voltage Range | 0–500 mV |
| Furnace Temperature Range | Ambient to 1000 °C |
| Temperature Control Accuracy | ±5 °C |
| Power Consumption | 1500 W |
| Dimensions (W×D×H) | 530 × 500 × 340 mm |
| Cooling | Air-cooled Cracking System with Auto-Controlled Fan |
| Compliance | SH/T 0253–1992, GB/T 11061–1997, SH/T 0222–1992 |
| Standard Configuration | KY-200 Liquid Analysis System + PC Workstation |
| Optional Accessories | Solid Sampler, Light/Heavy Quartz Cracking Tubes, Certified Reference Materials |
| 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 |
| Origin | Jiangsu, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | KY-0231 |
| Pricing | Available Upon Request |
| Applicable Standard | SH/T 0231 |
| Wet Gas Meter Capacity | 2 L |
| Stainless Steel Hollow Needle | φ1 mm × 0.2 mm ID |
| H₂S Detection Range | 5–500 mg/m³ |
| Brand | Keyuan Instruments |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | KY-100 (6-position) |
| Digestion Method | Rapid Reflux Digestion |
| Heating Module | Precision Ceramic Heating Block |
| Batch Capacity | 6 samples simultaneously |
| Temperature Range | 25–170 °C (adjustable, ±1 °C accuracy) |
| Digestion Vessel Capacity | 250 mL conical flasks with reflux condensers |
| Timer Accuracy | ±1 second over full 180-minute range |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Rated Power | 1500 W |
| Ambient Operating Temperature | 5–40 °C |
| COD Measurement Range | 16–700 mg/L (dilutable for higher concentrations) |
| Analytical Precision | RSD ≤5.0% for potassium hydrogen phthalate standard (500 mg/L) |
| Compliance | HJ 828–2017 (replacing GB 11914–1989), aligned with ISO 6060 principles |
| Origin | Jiangsu, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | KY-4S |
| Pricing | Available Upon Request |
| Sample Type | Liquid |
| Analytical Method | Potentiometric Titration |
| Detection Limit | ≥3 µg/g |
| Minimum Titrant Dispense Volume | 0.01 mL |
| Electrode Potential Range | 0 to ±1999.5 mV |
| Burette Accuracy | ±0.1% F.S. |
| Electronic Unit Basic Error | ±0.1% of full scale + 0.5 mV |
| Relative Standard Deviation | ≤5% |
| Compliance Standard | GB/T 1792–1988 “Determination of Mercaptan Sulfur in Distillate Fuels” |
| Origin | Jiangsu, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | KY-200 |
| Price Range | USD 4,200 – 7,000 (FOB) |
| Analyte Scope | Total Sulfur, Total Nitrogen, and Halides (Cl⁻, Br⁻, I⁻) |
| Measurement Principle | Microcoulometric Titration per ASTM D5808 & GB/T 18612 |
| Detection Range (Cl) | 0.05–10,000 mg/L |
| LOD (Cl) | 0.05 mg/L |
| Repeatability | ≤10% (≤1 mg/L), ≤8% (1–10 mg/L), ≤3% (>10 mg/L) |
| Sensitivity | 0.05 mg NaCl/L |
| Furnace Temp Control | Ambient to 1000 °C ±1 °C |
| Cooling Method | Intelligent Fan-Cooled |
| Analysis Time | ~3 min/sample (excluding sample prep) |
| Origin | Jiangsu, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | KY4S |
| Pricing | Available Upon Request |
| Sample Type | Liquid |
| Method | Potentiometric Titration |
| Detection Limit | ≥3 µg/g |
| Minimum Burette Delivery 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 |
| Relative Error | ≤5% |
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