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Shanghai Kechuang Chromatography Instrument Co., Ltd.

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BrandSciTech
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Instrument TypeLaboratory Gas Chromatograph
ApplicationDedicated to High-Purity Gas Analysis
Oven Temperature Range8 °C above ambient to 400 °C
Ramp Rate0.1–40 °C/min
Cooling Rate400 °C → 50 °C in ≤4 min
Carrier Gas Flow Control Range0–100 mL/min
Carrier Gas Pressure Control Range0–250 kPa
Injector Maximum Temperature300 °C
Injector Pressure Setting Range0–250 kPa
Injector Total Flow Setting Range0–1200 mL/min
Detector ConfigurationTCD (TC-1H) + FID + Ni Methanizer + Gas Sampling System + Capillary/Packed Column System
Temperature Control Accuracy±0.5% of setpoint
Programmable Temperature Steps8
Linear Range (FID)10⁷
Linear Range (TCD)10⁵
FID Detection Limit≤1×10⁻¹¹ g/s (n-hexadecane)
TCD Sensitivity≥3000 mV·mL/mg (benzene)
FID Baseline Noise≤1×10⁻¹³ A
TCD Baseline Noise≤10 µV
FID Baseline Drift≤6×10⁻¹³ A/30 min
TCD Baseline Drift≤60 µV/30 min
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BrandKechuang
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Product OriginDomestic (China)
ModelGC9800 (New Generation)
Price RangeUSD 4,200 – 7,000
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BrandKechuang
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Product CategoryDomestic
ModelGC2002
Instrument TypeLaboratory Gas Chromatograph
Application ScopeGeneral-Purpose
Oven Temperature RangeAmbient + 5 °C to 400 °C
Oven Ramp Rate0.1–40 °C/min
Oven Cool-Down Rate400 °C to 50 °C in ≤4 min (with auto back-door)
Carrier Gas Flow Range & Control0–100 mL/min
Carrier Gas Pressure Range & Control0–250 kPa
Injector Maximum Operating Temperature400 °C
Injector Pressure Setting Range0–500 kPa
Injector Total Flow Setting Range0–1200 mL/min
Temperature Control Accuracy/Stability≤±0.5 %
Temperature Display Resolution0.1 °C
Programmable Temperature Steps8-stage
Programmed Ramp Reproducibility≤±0.5 %
Column Oven Internal Dimensions160 × 304 × 278 mm (D × W × H)
Mainframe Dimensions585 × 650 × 506 mm (L × W × H)
Weight~53 kg
Power Consumption~3000 W
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BrandKechuang
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Instrument TypeLaboratory Gas Chromatograph
ModelGC9800 (Network-Enabled)
Temperature Control RangeAmbient +3°C to 450°C
Maximum Ramp Rate0–40°C/min (adjustable in 0.1°C/min increments)
Cooling Rate≤5 min (350°C → 50°C with motorized back-opening door)
Carrier Gas Flow Range0–1200 mL/min
Carrier Gas Pressure Range0–970 kPa
Injector Temperature Range0–450°C
Injector Pressure Setting Range0–970 kPa
Total Injector Flow Setting Range5000–10,000 mV·mL/mg (benzene reference)
Detection LimitsTCD ≥6000 mV·mL/mg, FID ≤3.0×10⁻¹² g/s (n-hexadecane), ECD ≤10 fg/mL (lindane), FPD ≤1.0 pg/s (P), ≤10 pg/s (S)
LinearityTCD 10⁵, FID 10⁷, ECD 10⁴, FPD 10⁴
Retention Time RSD<0.008%, Peak Area RSD: <1.0%
EPC/EFC Precision±0.001 psi (pressure), ±0.001 mL/min (flow)
Column Oven Capacity305 × 160 × 278 mm (W×D×H)
Dimensions (W×D×H)530 × 570 × 506 mm
Weight≤50 kg
Power Consumption≤3000 W
Input Power220 V ±10%, 50 Hz ±5%
Operating Environment5–35°C, RH ≤85%
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BrandSciTech
OriginShanghai, China
Manufacturer TypeOEM Manufacturer
CategoryLaboratory Gas Chromatograph for Environmental Monitoring
ModelGC2002 Networked GC + KC Series Automated Gas Sampler
Temperature Control RangeAmbient +5°C to 450°C
Oven Ramp Rate0–40°C/min
Cooling Time≤4 min (from 450°C to 50°C)
Carrier Gas Flow Range & Control0–1200 mL/min
Carrier Gas Pressure Range & Control0–970 kPa
Injector Max Operating Temperature450°C
Injector Pressure Setting Range0–970 kPa
Injector Total Flow Setting Range0–1200 mL/min
DetectorFID with Detection Limit ≤3.0×10⁻¹² g/s (n-Hexadecane), Baseline Noise ≤1.0×10⁻¹³ A, Drift ≤5.0×10⁻¹³ A (30 min), Linear Range 10⁷
Sample Capacity16–85 positions (field-upgradable)
Injection PrecisionRSD <0.5% (n=10, total hydrocarbons & methane peak areas)
Injection Volume Options1, 2, or 3 mL quantitative loop
Sampling PumpMax flow 10 L/min, ultimate vacuum –80 kPa
Tubing MaterialPTFE
Calibration FunctionAutomated 8-point standard curve generation
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BrandKeChuang
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Regional ClassificationDomestic (China)
ModelGC2002N/PDHID
Instrument TypeLaboratory Gas Chromatograph
Application FieldDedicated to High-Purity Gas Analysis
Oven Temperature Range0–400 °C
Maximum Ramp Rate40 °C/min
Cooling Time (from 400 °C to 50 °C)≤4 min
Carrier Gas Flow Range & Control0–500 mL/min
Carrier Gas Pressure Range & Control0–0.4 MPa
Injector Maximum Operating Temperature300 °C
Injector Pressure Setting Range0–0.4 MPa
Injector Total Flow Setting Range0–500 mL/min
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BrandKeChuang
OriginShanghai, China
Manufacturer TypeManufacturer
Instrument TypeLaboratory Gas Chromatograph
ModelGC2002N/PDHID
Temperature Control Range0–400 °C
Oven Ramp Rateup to 40 °C/min
Oven Cool-Down Rate60 °C/min (reaching ambient in ≤4 min)
Carrier Gas Flow Range0–500 mL/min
Carrier Gas Pressure Range0–0.4 MPa
Injector Maximum Temperature300 °C
Injector Pressure Setting Range0–0.4 MPa
Injector Total Flow Setting Range0–500 mL/min
Detection PrinciplePulsed Discharge Helium Ionization Detection (PDHID)
Target ApplicationsHigh-purity helium (5N/6N) impurity profiling per GB/T 4844–2011
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BrandKechuang
OriginShanghai, China
Manufacturer TypeOEM Manufacturer
Instrument TypeLaboratory Gas Chromatograph
ApplicationHigh-Purity Gas Analysis
Oven Temperature RangeAmbient + 3 °C to 450 °C
Maximum Ramp Rate120 °C/min (adjustable in 0.1 °C/min increments)
Cooling Rate350 °C → 50 °C in ≤5 min (with motorized rear door)
Carrier Gas Pressure Control Range0–100 psi (0–689 kPa)
Carrier Gas Flow Control Range0–1200 mL/min
Inlet Temperature Max300 °C
Inlet Pressure Setting Range0–100 psi
Electronic Pressure/Flow Control (EPC/EFC) Precision±0.001 psi / ±0.001 mL/min
Temperature Stability±0.1% of setpoint
Temperature Display Resolution0.01 °C
Programmable Temperature StepsUp to 16 stages (expandable to unlimited via firmware)
Retention Time RSD<0.008%
Peak Area RSD<1.0%
Power Supply220 V ±10%, 50 Hz ±5%
Dimensions (W×D×H)570 × 570 × 506 mm
Weight≤55 kg
Max Power Consumption≤3000 W
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BrandKechuang
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Regional CategoryDomestic (China)
ModelGC9800
PriceUSD 5,600 (approx.)
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[BrandKechuang
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Instrument TypeLaboratory Gas Chromatograph
Application FocusPetrochemical Industry
Oven Temperature RangeAmbient + 3 °C to 450 °C
Maximum Ramp Rate120 °C/min (0.1 °C/min increment)
Cooling Rate350 °C → 50 °C in ≤5 min (with motorized rear door)
Carrier Gas Flow Control Range0–1200 mL/min
Carrier Gas Pressure Control Range0–100 psi
Injector Max Temp450 °C
Injector Pressure Setpoint Range0–100 psi
Injector Total Flow Setpoint Range0–1200 mL/min
EPC/EFC Precision±0.001 psi (pressure), ±0.001 mL/min (flow)
Temperature Stability±0.1% of setpoint
Retention Time RSD<0.008%
Peak Area RSD<1.0%
Detector OptionsTCD, FID, ECD, FPD
Column Oven Capacity305 × 160 × 278 mm (W×D×H)
Dimensions (W×D×H)570 × 570 × 506 mm
Weight≤55 kg
Power≤3000 W, 220 V ±10%, 50 Hz ±5%]
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BrandKechuang
OriginShanghai, China
Manufacturer TypeOEM Manufacturer
Product CategoryDomestic
ModelGC910B Portable/Vehicle-Mountable Gas Chromatograph
Instrument TypePortable Gas Chromatograph
Application ScopeGeneral-Purpose
Oven Temperature RangeAmbient + 8 °C to 400 °C
Heating Rate0.1–40 °C/min
Cooling Rate400 °C to 50 °C in ≤4 min
Carrier Gas Flow Range & Control0–100 mL/min
Carrier Gas Pressure Range & Control0–250 kPa
Injector Maximum Operating Temperature300 °C
Injector Pressure Setting Range0–250 kPa
Injector Total Flow Setting Range0–1200 mL/min
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BrandKechuang
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Instrument TypeLaboratory Gas Chromatograph
Application FieldPetroleum & Petrochemical Industry
Oven Temperature Range8 °C to 400 °C (above ambient)
Oven Ramp Rate0.1–40 °C/min
Oven Cooling Time≤4 min (from 400 °C to 50 °C)
Carrier Gas Flow Range0–100 mL/min
Carrier Gas Pressure Range0–250 kPa
Injector Max Temp300 °C
Injector Pressure Setpoint Range0–250 kPa
Injector Total Flow Setpoint Range0–1200 mL/min
FID Detection Limit≤5×10⁻¹² g/s (n-C₁₆ in iso-octane)
FID Baseline Noise (packed column)<10×10⁻¹⁴ A
FID Baseline Drift (packed column, 30 min)<6×10⁻¹³ A
Column Oven Stability at 70 °C<0.5% RSD
Temperature Display Resolution0.1 °C
Programmable Temperature Ramping8-step, min increment 0.1 °C/min
Repeatability (50–250 °C at 10 °C/min)≤1% RSD
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BrandKechuang
OriginShanghai, China
Manufacturer TypeOEM Manufacturer
Instrument TypeLaboratory Gas Chromatograph
ModelGC910
Price RangeUSD 4,200–7,000 (FOB)
Temperature Control RangeAmbient + 3 °C to 450 °C
Maximum Ramp Rate120 °C/min
Cooling Time≤3.5 min (350 °C → 50 °C)
Carrier Gas Flow Range0–100 mL/min
Carrier Gas Pressure Range0–100 psi (0–689 kPa)
Injector Max Temp300 °C
Injector Pressure Setpoint Range0–100 psi
Total Injector Flow Setpoint Range0–1200 mL/min
Detector OptionsTCD, FID, ECD, FPD
EPC/EFC Precision±0.001 psi / ±0.001 mL/min
Retention Time RSD<0.008%
Peak Area RSD<1.0%
Column Oven Volume165 × 135 × 92 mm
Dimensions (W×D×H)482 × 450/600 × 222 mm
Weight≤20 kg
Power220 V ±10%, 50 Hz ±5%
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BrandKechuang
OriginShanghai, China
Manufacturer TypeOEM Manufacturer
Region CategoryDomestic (China)
ModelGC9800
Price RangeUSD 7,000 – 14,000
Instrument TypeBenchtop Laboratory Gas Chromatograph
Application ScopeGeneral-Purpose Quantitative Analysis
Oven Temperature Range+5 °C above ambient to 400 °C
Maximum Ramp Rate0–40 °C/min
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BrandKe Chuang
OriginShanghai, China
Manufacturer TypeOEM Manufacturer
Instrument TypeLaboratory Gas Chromatograph
ModelsGC2002, GC9800N, GC9800G
Price RangeUSD 5,600–7,200 (FOB Shanghai)
Temperature Control RangeAmbient + 8 °C to 400 °C
Ramp Rate0.1–40 °C/min
Cooling Rate400 °C → 50 °C in ≤4 min
Carrier Gas Flow Range0–100 mL/min
Carrier Gas Pressure Range0–250 kPa
Injector Max Temp300 °C
Injector Pressure Setpoint Range0–250 kPa
Injector Total Flow Setpoint Range0–1200 mL/min
Detector OptionsTCD, FID, ECD, FPD
Column Oven Programmable StagesUp to 16 (expandable to unlimited)
EPC/EFC Precision±0.001 psi (pressure), ±0.001 mL/min (flow)
Retention Time RSD<0.008%
Peak Area RSD<1.0%
Dimensions (W×D×H)530 × 570 × 506 mm
Weight≤50 kg
Power220 V ±10%, 50 Hz ±5%, ≤3000 W
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BrandKechuang
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Region ClassificationDomestic (China)
ModelGC9800N
Instrument CategoryLaboratory Gas Chromatograph
Application FieldPetrochemical Industry Dedicated
Oven Temperature RangeAmbient + 8 °C to 400 °C
Ramp Rate0.1–40 °C/min
Cooling Rate450 °C → 50 °C in ≤4 min
Carrier Gas Flow Range & Control0–100 mL/min
Carrier Gas Pressure Range & Control0–970 kPa
Injector Maximum Operating Temperature800 °C
Injector Pressure Setpoint Range0–970 kPa
Injector Total Flow Setpoint Range0–1200 mL/min
Column Oven Temp Accuracy±0.1 °C
Programmed Ramp Rate (Standard)0.1–35 °C/min
Vaporizer & Detector Temp RangeAmbient + 6 °C to 350 °C
Pyrolyzer Temp Range100–800 °C
Transfer Line Outlet Temp RangeAmbient + 6 °C to 300 °C
FID Detection Limit≤1 × 10⁻¹¹ g/s (n-C₁₆)
Baseline Drift≤30 µV/15 min
Noise≤10 µV
Solid Sample Mass Range0.01–1.0 mg
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BrandKechuang
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Instrument TypeLaboratory Gas Chromatograph
Application FieldEnvironmental Air Monitoring
Oven Temperature RangeAmbient +5°C to 400°C
Oven Ramp Rate0.1–40°C/min
Oven Cooling Rate300°C → 50°C in ≤4 min
Carrier Gas Flow Range & Control0–1200 mL/min
Carrier Gas Pressure Range & Control0–250 kPa
Injector Maximum Temperature400°C
Injector Pressure Setting Range0–250 kPa
Injector Total Flow Setting Range0–1200 mL/min
Detection MethodFlame Ionization Detection (FID)
Sample IntroductionDual-loop 10-port valve with parallel-packed column configuration
Detection Limit (1 mL air sample)0.04 mg/m³ for both CH₄ and NMHC
Compliance StandardsHJ 604-2011, HJ/T 38-1999
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BrandKechuang
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Instrument TypeLaboratory Gas Chromatograph
ModelGC9800N
Temperature Control RangeAmbient + 3 °C to 450 °C
Oven Ramp Rate0.1–40 °C/min (adjustable in 0.1 °C increments)
Maximum Ramp Rate>120 °C/min
Cooling Time≤5 min (350 °C → 50 °C, with motorized backdoor)
Carrier Gas Flow Range0–100 mL/min
Carrier Gas Pressure Range0–250 kPa
Injector Max Temp300 °C
Injector Pressure Setpoint Range0–250 kPa
Total Injector Flow Setpoint Range0–1200 mL/min
EPC/EFC Precision±0.001 psi (pressure), ±0.001 mL/min (flow)
Retention Time RSD<0.008%
Peak Area RSD<1.0%
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BrandKechuang
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Instrument TypeBenchtop Laboratory Gas Chromatograph
Application FocusVOC and Water Content Quantification in Paints, Coatings, and Related Polymer Formulations
Temperature Control RangeAmbient + 8 °C to 400 °C
Oven Ramp Rate0.1–40 °C/min
Oven Cool-down400 °C → 50 °C in ≤4 min
Carrier Gas Flow Control Range0–100 mL/min (N₂, He, H₂)
Carrier Gas Pressure Control Range0–250 kPa
Injector Maximum Operating Temperature300 °C
Injector Pressure Setting Range0–250 kPa
Injector Total Flow Setting Range0–1200 mL/min
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BrandKechuang
OriginShanghai, China
Manufacturer TypeOriginal Equipment Manufacturer (OEM)
Instrument TypeLaboratory Gas Chromatograph
ModelGC2002
Price RangeUSD 21,000 – 42,000 (FOB Shanghai)
Detection PrinciplePulsed Discharge Helium Ionization Detection (PDHID)
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BrandSciTech
ModelGC2002
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Instrument TypeLaboratory Gas Chromatograph
Application DomainPetroleum & Petrochemical Industry
Detection ModesTCD (for %–ppm range), FPD (for sub-ppm to ppm-level sulfur)
Column CompatibilityPacked & Capillary Columns (sulfur-deactivated)
Injection SystemVICI pneumatic valve with inertized quantitative loops (0.2–2.0 mL)
Oven Temperature RangeAmbient +5°C to 420°C
Max Programmed Ramps8-stage
Temperature Precision±0.1% of setpoint
FPD Sensitivity≤1.0 pg/s (P), ≤10.0 pg/s (S)
TCD Sensitivity≥10,000 mV·mL/mg (HTCD)
Baseline Noise (FPD)≤30 µV
Linear Dynamic Range10⁴ (FPD), 10⁵ (TCD)
Data InterfaceRJ45 Ethernet (remote control & audit-ready data streaming)
SoftwareEmbedded workstation with bidirectional instrument control, GLP-compliant event logging, and 253-unit network scalability
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[BrandKeChuang
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Instrument TypeLaboratory Gas Chromatograph
Application FieldDedicated to High-Purity Gas Analysis
Oven Temperature Range0–400 °C
Maximum Ramp Rate60 °C/min
Cooling Time (from 350 °C to 50 °C)≤4 min
Carrier Gas Flow Control Range0–500 mL/min
Carrier Gas Pressure Control Range0–0.4 MPa
Injector Maximum Operating Temperature300 °C
Injector Pressure Setting Range0–0.4 MPa
Injector Total Flow Setting Range0–500 mL/min
Detection PrinciplePulsed Discharge Helium Ionization Detection (PDHID)]
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[BrandKeChuang
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Instrument TypeLaboratory Gas Chromatograph
ApplicationDedicated to High-Purity Gas Analysis
Oven Temperature Range0–400 °C
Maximum Ramp Rate40 °C/min
Cooling Time (from 400 °C to 50 °C)≤4 min
Carrier Gas Flow Control Range0–500 mL/min
Carrier Gas Pressure Control Range0–0.4 MPa
Injector Maximum Operating Temperature300 °C
Injector Pressure Setting Range0–0.4 MPa
Injector Total Flow Setting Range0–500 mL/min
Detection PrinciplePulsed Discharge Helium Ionization Detection (PDHID)
Minimum Detectable Concentration (CO₂)0.026 µL/L
RSD of Retention Time (n=7)≤0.29%
RSD of Peak Area (n=7)≤6.19%
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BrandKechuang
OriginShanghai, China
Manufacturer TypeDirect Manufacturer
Instrument TypeLaboratory Gas Chromatograph
ModelGC9800N + Liquid Autosampler
Temperature Control RangeAmbient + 3 °C to 450 °C
Maximum Ramp Rate0–40 °C/min (adjustable in 0.1 °C/min increments)
Cooling Time≤4 min (350 °C → 50 °C, with motorized backdoor)
Carrier Gas Flow Range0–1200 mL/min
Carrier Gas Pressure Range0–970 kPa
Injector Temperature Max450 °C
Injector Pressure Setting Range0–970 kPa
Injector Total Flow Setting Range0–1200 mL/min
EPC/EFC Precision±0.001 psi (pressure), ±0.001 mL/min (flow)
Column Oven Dimensions305 × 160 × 278 mm (W × D × H)
Unit Weight≤50 kg
Power Supply220 V ±10%, 50 Hz ±5%
Operating Environment5–35 °C, ≤85% RH
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