Keyuan Instruments
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| Brand | Keyuan Instruments |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | OEM/ODM Producer |
| Country of Origin | China |
| Model | Accessory Kit |
| Pricing | Upon Request |
| Brand | KeYuan Instruments |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Manufacturer |
| Origin Category | Domestic (China) |
| Model | DP-2 |
| Pricing | Available Upon Request |
| Input Voltage | AC 220 V ±10%, 50 Hz |
| Output Voltage | DC 0–2500 V (continuously adjustable) |
| Heating Power | 240 W |
| Total Power Consumption | <300 W |
| Temperature Uniformity | ±0.25 °C across six electrode chamber positions |
| Dielectric Withstand | <6000 V between electrodes |
| 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) |
| Brand | Keyuan Instruments |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | OEM Producer |
| Country of Origin | China |
| Model | KY-0231 |
| Quotation | Upon Request |
| Applicable Standard | SH/T 0231 |
| Wet Gas Meter Capacity | 2 L |
| Stainless Steel Hollow Needle | φ1 × 0.2 mm |
| Measurable H₂S Range | 5–500 mg/m³ |
| Brand | Keyuan Instruments |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | KY-100(8) |
| Digestion Method | Reflux Digestion |
| Heating Module | Microcrystalline Glass Plate with Inorganic High-Temperature Insulation |
| Batch Capacity | 8 samples |
| Temperature Range | Ambient to 180 °C |
| Temperature Accuracy | ±1 °C |
| Digestion Vessel | 250 mL conical flask (24/29 standard taper) |
| Timer Accuracy | ±15 s/h |
| Power Supply | AC 220 V, 50 Hz |
| Max. Heating Power | ≤1600 W |
| Ramp Time to 180 °C | <20 min |
| Digestion Time Setting Range | 10 min – 150 min |
| Sample Matrix | Aqueous liquid only |
| COD Measurement Range | 0–700 mg/L (direct) |
| Precision | RSD ≤5.0% for 500 mg/L potassium hydrogen phthalate standard |
| Compliance | HJ 828–2017 (replacing GB 11914–1989) |
| 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 | 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 | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | KY-106 |
| Price | USD 7,400 (approx. based on ¥53,000 at 1 USD = ¥7.2) |
| Potential Range | −2.0 to +2.0 V |
| Potential Resolution | < 50 mV (peak separation) |
| Detection Limit | 1 × 10⁻⁷ mol/L |
| Supported Techniques | CV, SCV, LSV, CA, DPV, NPV, NEOP, SWV, i–t, CC |
| Brand | Keyuan Instruments |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | KY-20 |
| Force Range Options | 0–100 N / 0–200 N / 0–500 N (user-selectable) |
| Sensitivity | 0.1 N |
| Accuracy | ≤0.5% F.S. ± 0.1 N |
| Particle Diameter Capacity | 0–20 mm (granules) |
| Brand | Keyuan Instruments |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | OEM Manufacturer |
| Country of Origin | China |
| Model | KY-200 |
| Price | USD 1,700 (FOB Jiangsu) |
| Brand | Keyuan Instruments |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | KY-200 Sulfur Analyzer |
| Price | USD 9,200 (FOB Jiangsu) |
| 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 |
| Origin Category | Domestic (China) |
| Model | KY-200.1 |
| Pricing | Available Upon Request |
| Brand | Keyuan Instruments |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | OEM Producer |
| Country of Origin | China |
| Model | KY-200A |
| Pricing | Upon Request |
| Measurement Principle | Microcoulometric Titration (ASTM D5808 / GB/T 18612) |
| Sample Forms | Liquid, Solid, Gas (with optional injectors) |
| Chlorine Range | 0.1–10,000 mg/L |
| Detection Limit | 0.1 mg/L |
| Precision | RSD ≤20% (≤1.0 mg/L), ≤8% (1.0–100 mg/L), ≤3% (>100 mg/L) |
| Temperature Control | Ambient to 1100 °C ±1 °C |
| Carrier Gases | Industrial-grade O₂ and N₂ |
| Cooling Method | Intelligent Fan-cooled Cracking Furnace |
| Power Consumption | 1.5 kW |
| Brand | Keyuan Instruments |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | KY-210A |
| Price | Upon Request |
| Measurement Range | Cl: 0.2–10,000 mg/L |
| Detection Limit | 0.1 mg/L |
| Repeatability | ≤15% (x ≤ 0.5 mg/L), ≤10% (0.5 < x ≤ 1.0 mg/L), ≤8% (1.0 < x ≤ 10 mg/L), ≤3% (x > 10 mg/L) |
| Electrolytic Cell Stability | >8 h |
| Temperature Control Range | Ambient to 1100 °C |
| Temperature Control Accuracy | ±1 °C |
| Analysis Time | 1 min per sample |
| 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 | 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 |
| Country of Origin | China |
| Model | KY-3000S |
| Compliance Standards | GB/T 34100–2017, SH/T 0689, ASTM D5453 |
| Detection Method | UV Fluorescence (S) |
| Detection Range | 0.2 mg/L to 5000 ppm (up to % level) |
| LOD (S) | 0.2 mg/L |
| Repeatability | ±0.2 mg/L at ≤1.0 mg/L |
| Sample Types | Liquid, Solid, Gas (with optional injectors) |
| Furnace Temp Range | Ambient to 1300 °C |
| Temp Control Accuracy | ±1 °C |
| Gas Requirements | High-purity O₂ (≥99.98%), High-purity Ar (≥99.98%) |
| Power Rating | 2 kW |
| Data Acquisition | 24-bit ADC, USB Interface |
| PMT Voltage | Adjustable |
| Calibration Options | Single-point or multi-point calibration |
| Software Compatibility | Windows 7/10/11, macOS (via Wine-compatible runtime), Linux (CLI support) |
| Brand | Keyuan Instruments |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | KY-3000S |
| Detection Principle | UV Fluorescence (for Total Sulfur) |
| Applicable Standards | SH/T 0689, ASTM D5453 |
| Sample Forms | Liquid, Solid, Gas (with optional injectors) |
| Detection Range | 0.2 mg/L to 5000 ppm (as S) |
| LOD | 0.2 mg/L (S) |
| Oxygen Purity | ≥99.98% |
| Argon Purity | ≥99.98% |
| Furnace Temperature Range | Ambient to 1100 °C |
| Temperature Control Accuracy | ±3 °C |
| Power Consumption | 2 kW |
| Dimensions (W×D×H) | 680 × 480 × 400 mm |
| Data Acquisition | 24-bit ADC, USB Interface |
| PMT High Voltage | Adjustable |
| Calibration Options | Single-point or multi-point curve calibration |
| Software Compatibility | Windows 7/10/11, macOS (via virtualization), Linux (CLI support) |
| Brand | Keyuan Instruments |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | KY-3000S A |
| Detection Principle | UV Fluorescence (ASTM D5453, ISO 20846, UOP 971) |
| Sample Forms | Liquid, Solid, Gas (with optional dedicated injectors) |
| Sulfur Measurement Range | 0.2 mg/L to 100% w/w |
| LOD | 0.2 mg/L (as S) |
| Furnace Temperature Range | Ambient to 1100 °C |
| Temperature Control Accuracy | ±0.5% of setpoint or ±3 °C (whichever is greater) |
| Carrier Gas | High-purity Argon (≥99.98%) and Oxygen (≥99.98%) |
| Power Consumption | 2 kW |
| Dimensions (L×W×H) | 680 × 480 × ~520 mm |
| Data Acquisition | 24-bit ADC, USB 2.0 interface, minimum detectable signal < 1 µV |
| PMT Voltage | Adjustable, software-controlled |
| Calibration Options | Single-point or multi-point calibration using certified SRMs |
| Software Compatibility | Windows 10/11, 64-bit |
| Brand | Keyuan Instruments |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | KY-33400 |
| Price Range | USD 2,800 – 7,000 |
| Vacuum Pump | Single-stage rotary vane pump |
| Vacuum Regulation | Stainless steel needle valve |
| Filtration Control | Solenoid valve actuated negative pressure control |
| Vacuum Gauge Range | 0 to –0.1 MPa |
| Power Consumption | 180 W |
| Dimensions (L×W×H) | 380 × 400 × 400 mm |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Operating Environment | Temperature 0–45 °C, Relative Humidity ≤80% |
| Sample Viscosity Limit | ≤8 mm²/s at 20 °C or ≤5 mm²/s at 40 °C |
| Measurable Contaminant Range | 12–30 mg/kg |
| Applicable Fuels | Diesel with >30% FAME content, and other hydrocarbon-based fuels beyond standard viscosity limits |
| Brand | Keyuan Instruments |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | KY-4 D |
| Pricing | Available Upon Request |
| Standard Compliance | GB/T 1792–1988 |
| Sample Form | Liquid |
| Measurement Range | ≥3 µg/g |
| Titration Method | Potentiometric Titration |
| Minimum Titration Volume | 0.01 mL |
| Potential Measurement Range | –1999.5 to +1999.5 mV |
| Burette Accuracy | ±0.1% F·S |
| Electrode Potential Resolution | 0.1 mV |
| Basic Error of Potential Unit | ±0.5 mV or ±0.1% of full scale |
| Relative Standard Deviation (RSD) | ≤5% |
| Brand | Keyuan Instruments |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic (China) |
| Model | KY-4 |
| Pricing | Upon Request |
| 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 |
| 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 | 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 | Keyuan Instruments |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | China |
| Model | KY-4S |
| Price | Upon Request |
| Standard Compliance | GB/T 1792–1988 |
| Sample Form | Liquid |
| Measurement Range | ≥3 µg/g |
| Titration Method | Potentiometric Titration |
| 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% |
| Control Platform | Windows-based PC Interface |
| Electrode Input | Dual High-Impedance Input |
| Endpoint Detection | Automatic Potential Inflection Point Recognition |
| Fluid Handling | Automated Reagent Refill and Fixed-Volume Dispensing |
| 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 | 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 |
| 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 |