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| Brand | ZHONGKEHUIFEN |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic |
| Model | GC-7820 LPG Analysis Dedicated Gas Chromatograph |
| Instrument Type | Laboratory Gas Chromatograph |
| Application Scope | General-purpose with LPG-specific configuration |
| Temperature Control Range | Ambient + 3°C to 450°C |
| Oven Ramp Rate | 0.1–40°C/min |
| Cooling Rate | ~8 minutes (450°C → 50°C) |
| Carrier Gas Flow Range & Control | 0–1200 mL/min |
| Carrier Gas Pressure Range & Control | 0–970 kPa |
| Injector Maximum Operating Temperature | 450°C |
| Injector Pressure Setting Range | 0–970 kPa |
| Injector Total Flow Setting Range | 0–1200 mL/min |
| Brand | ZHONGKEHUIFEN |
|---|---|
| Origin | Beijing, China |
| Model | WLS-08 |
| Detection Principle | Flame Photometric Detection (FPD) |
| Temperature Control Range | Ambient +3°C to 400°C |
| FPD Sulfur Detection Limit | ≤5×10⁻¹¹ g(S)/s |
| Column Oven Programmed Ramp | 0.1–40°C/min, up to 5 steps |
| Dimensions | 635 × 490 × 470 mm |
| Weight | ~55 kg |
| Brand | Zhongkehuifen |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | HF-901 |
| Instrument Type | Laboratory Gas Chromatograph |
| Application Scope | General-purpose |
| Oven Temperature Range | 4°C to 450°C |
| Oven Ramp Rate | 0.1–80°C/min |
| Oven Cool-down Time | ~6 min (450°C → 50°C) |
| Carrier Gas Flow Range & Control | 0–1200 mL/min |
| Carrier Gas Pressure Range & Control | 0–970 kPa |
| Injector Maximum Operating Temperature | 450°C |
| Injector Pressure Setpoint Range | 0–970 kPa |
| Injector Total Flow Setpoint Range | 0–1200 mL/min |
| Brand | ZHONGKEHUIFEN |
|---|---|
| Origin | Beijing, China |
| Model | GC-2060 |
| Temperature Control Range | Ambient + 3 °C to 450 °C |
| Oven Ramp Rate | 0.1–40 °C/min |
| Cooling Time | ~8 min (450 °C → 50 °C) |
| Carrier Gas Flow Range & Control | 0–1200 mL/min |
| Carrier Gas Pressure Range & Control | 0–970 kPa |
| Injector Max Operating Temperature | 450 °C |
| Injector Pressure Setting Range | 0–970 kPa |
| Injector Total Flow Setting Range | 0–1200 mL/min |
| FPD Detection Limit (H₂S) | 0.02 ppm (v/v) |
| FPD Detection Limit (Thiophene) | 0.03 ppm (v/v) |
| Oven Temperature Stability | ±0.1 °C |
| Baseline Noise | ≤0.1 mV |
| Brand | Zhongkehuifen |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic |
| Model | GC-7820 |
| Instrument Type | Laboratory Gas Chromatograph |
| Application Scope | General-Purpose |
| Oven Temperature Range | Ambient + 3 °C to 450 °C |
| Oven Ramp Rate | 0.1–40 °C/min |
| Oven Cooling Time | ~8 min (450 °C → 50 °C) |
| Carrier Gas Flow Range & Control | 0–1200 mL/min |
| Carrier Gas Pressure Range & Control | 0–970 kPa |
| Injector Maximum Operating Temperature | 450 °C |
| Injector Pressure Setting Range | 0–970 kPa |
| Injector Total Flow Setting Range | 0–1200 mL/min |
| Brand | ZHONGKEHUIFEN |
|---|---|
| Origin | Beijing, China |
| Instrument Type | Laboratory Gas Chromatograph |
| Application Field | Universal (Petroleum Refining & Fuel Quality Control) |
| Oven Temperature Range | Ambient + 5 °C to 450 °C |
| Maximum Ramp Rate | 0.1–80 °C/min |
| Cooling Rate | 450 °C → 50 °C in ≤6 min |
| Carrier Gas Flow Range | 0–1200 mL/min |
| Carrier Gas Pressure Range | 0–970 kPa |
| Injector Max Temp | 450 °C |
| Injector Pressure Setpoint Range | 0–970 kPa |
| Injector Total Flow Setpoint Range | 0–1200 mL/min |
| Power Supply | 220 V, 50 Hz |
| Operating Ambient | 15–35 °C, 5–95% RH |
| Column Oven Dimensions | 280 × 300 × 170 mm |
| Max Run Time | 999.99 min |
| Programmable Temperature Steps | 16 |
| Detector | FID (Hydrogen Flame Ionization) |
| FID Sensitivity | <5 pg C/s (n-hexadecane) |
| FID Linear Dynamic Range | 10⁷ (±10%) |
| FID Data Acquisition Rate | 20 Hz |
| Valve Options | Motorized 4-/6-/10-port valves with electronic pressure/flow control module |
| Injector Types | Packed-column & split/splitless capillary injectors |
| Brand | ZHONGKEHUIFEN |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic |
| Model | GC-7820 Fully Automated Coal Mine–Specific Gas Chromatograph |
| Instrument Type | Online Gas Chromatograph |
| Application Field | Coal Mining Industry |
| Temperature Control Range | Ambient + 3 °C to 450 °C |
| Oven Ramp Rate | 0.1–40 °C/min |
| Cooling Rate | ~8 min (450 °C → 50 °C) |
| Carrier Gas Flow Range & Control | 0–1200 mL/min |
| Carrier Gas Pressure Range & Control | 0–970 kPa |
| Injector Maximum Operating Temperature | 450 °C |
| Injector Pressure Setting Range | 0–970 kPa |
| Injector Total Flow Setting Range | 0–1200 mL/min |
| Brand | ZHONGKEHUIFEN |
|---|---|
| Origin | Beijing, China |
| Model | HF-901D |
| Temperature Control Range | Ambient + 3°C to 450°C |
| Ramp Rate | 0.1–40°C/min |
| Cooling Time | ~8 min (450°C → 50°C) |
| Carrier Gas Flow Range & Control | 0–1200 mL/min |
| Carrier Gas Pressure Range & Control | 0–970 kPa |
| Injector Max Temp | 450°C |
| Injector Pressure Setting Range | 0–970 kPa |
| Injector Total Flow Setting Range | 0–1200 mL/min |
| Detection Gases | H₂, CH₄, C₂H₄, C₂H₆, C₂H₂, CO, CO₂ |
| Minimum Detectable Concentration in Oil | ≤1 µL/L (for all target gases) |
| Analysis Cycle Time | ≤7 min |
| Temperature Stability | ±0.1°C |
| Power Consumption | 1.9 kW |
| Dimensions (W×D×H) | 660 × 560 × 480 mm |
| Brand | ZHONGKEHUIFEN |
|---|---|
| Origin | Beijing, China |
| Model | ZX-2000 |
| Instrument Type | Online Gas Chromatograph |
| Application Field | High-Purity Gas Analysis |
| Oven Temperature Range | Ambient + 3°C to 450°C |
| Ramp Rate | 0.1–40°C/min |
| Cool-down Time | ~8 min (450°C → 50°C) |
| Carrier Gas Flow Range & Control | 0–1200 mL/min |
| Carrier Gas Pressure Range & Control | 0–970 kPa |
| Injector Maximum Operating Temperature | 450°C |
| Injector Pressure Setpoint Range | 0–970 kPa |
| Injector Total Flow Setpoint Range | 0–1200 mL/min |
| Brand | Zhongkehuifen |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | ZX-3000 |
| Instrument Type | Online Gas Chromatograph |
| Application | High-Purity Gas Analysis |
| TCD Sensitivity | ≥4000 mV·mL/mg (benzene) |
| Repeatability | ≤1% RSD |
| Linearity Error | ≤±1.5% mV/h |
| Temperature Control | Not Specified |
| Flow/Pressure Control | Not Specified |
| Injector Max Temp/Range | Not Specified |
| Cooling/Heating Rates | Not Specified |
| Brand | ZHONGKEHUIFEN |
|---|---|
| Origin | Beijing, China |
| Model | GC-2060 |
| Instrument Type | Laboratory Gas Chromatograph |
| Application Field | Petrochemical Industry-Specific |
| Temperature Control Range | Ambient + 3°C to 450°C |
| Oven Ramp Rate | 0.1–40°C/min |
| Cool-down Time | ~8 min (450°C → 50°C) |
| Carrier Gas Flow Range & Control | 0–1200 mL/min |
| Carrier Gas Pressure Range & Control | 0–970 kPa |
| Injector Maximum Operating Temperature | 450°C |
| Injector Pressure Setting Range | 0–970 kPa |
| Injector Total Flow Setting Range | 0–1200 mL/min |
| Brand | ZHONGKEHUIFEN |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | HF-901 Gasoline PONA Analysis |
| Instrument Type | Laboratory Gas Chromatograph |
| Application Scope | General-Purpose Hydrocarbon Group-Type Analysis |
| Oven Temperature Range | Ambient + 3 °C to 450 °C |
| Oven Ramp Rate | 0.1–40 °C/min |
| Oven Cool-Down Time | ~8 min (450 °C → 50 °C) |
| Carrier Gas Flow Range & Control | 0–1200 mL/min (EPC) |
| Carrier Gas Pressure Range & Control | 0–970 kPa (EPC) |
| Injector Maximum Operating Temperature | 450 °C |
| Injector Pressure Setting Range | 0–970 kPa (EPC) |
| Injector Total Flow Setting Range | 0–1200 mL/min (EPC) |
| Brand | ZHONGKEHUIFEN |
|---|---|
| Origin | Beijing, China |
| Model | GC-6890A Mine-Specific Gas Chromatograph |
| Instrument Type | Laboratory Gas Chromatograph |
| Application Domain | Coal Mining Industry |
| Detection Configuration | TCD + Dual FID + Methane Converter |
| Sample Introduction | Automated 10-Port Valve with Manual/Ball-Bag Sampling Option |
| Column System | Dedicated Packed Columns with Triple Pre-cut Traps |
| Analysis Time | 4–8 min per injection |
| Minimum Detectable Concentration | CO & C₂H₂ ≤ 0.5 ppm |
| Temperature Control Range | Oven, Detector, and Converter up to 400 °C |
| Power Supply | AC 220 V ±10%, 50 Hz, ≤2500 W |
| TCD Sensitivity | ≥5000 mV·mL/mg |
| FID Detection Limit | ≤1.0×10⁻¹¹ g/s |
| System Precision | ≤1% RSD |
| Brand | ZHONGKEHUIFEN |
|---|---|
| Origin | Beijing, China |
| Model | GC-7820 Helium Ionization Gas Chromatograph |
| Instrument Type | Laboratory Gas Chromatograph |
| Application Scope | General-Purpose High-Purity Gas Analysis |
| Oven Temperature Range | Ambient + 3°C to 450°C |
| Ramp Rate | 0.1–40°C/min |
| Cool-down Time | ~8 min (450°C → 50°C) |
| Carrier Gas Flow Range & Control | 0–1200 mL/min |
| Carrier Gas Pressure Range & Control | 0–970 kPa |
| Injector Maximum Operating Temperature | 450°C |
| Injector Pressure Setting Range | 0–970 kPa |
| Injector Total Flow Setting Range | 0–1200 mL/min |
| Brand | ZHONGKEHUIFEN |
|---|---|
| Origin | Beijing, China |
| Model | GC-7820 Methane and Total Hydrocarbons-Specific Gas Chromatograph |
| Instrument Type | Laboratory Gas Chromatograph |
| Temperature Control Range | Ambient + 3 °C to 450 °C |
| Oven Ramp Rate | 0.1–40 °C/min |
| Cooling Rate | ~8 min (450 °C → 50 °C) |
| Carrier Gas Flow Range & Control | 0–1200 mL/min |
| Carrier Gas Pressure Range & Control | 0–970 kPa |
| Injector Max Operating Temperature | 450 °C |
| Injector Pressure Setting Range | 0–970 kPa |
| Injector Total Flow Setting Range | 0–1200 mL/min |
| Brand | ZHONGKEHUIFEN |
|---|---|
| Origin | Beijing, China |
| Instrument Type | Laboratory Gas Chromatograph |
| Application Field | Environmental Monitoring (Water Quality) |
| Temperature Control Range | Ambient + 3°C to 450°C |
| Oven Ramp Rate | 0.1–40°C/min |
| Cool-down Time | ~8 min (450°C → 50°C) |
| Carrier Gas Flow Range & Control | 0–1200 mL/min |
| Carrier Gas Pressure Range & Control | 0–970 kPa |
| Injector Maximum Operating Temperature | 450°C |
| Injector Pressure Setting Range | 0–970 kPa |
| Injector Total Flow Setting Range | 0–1200 mL/min |
| Brand | Zhongkehuifen |
|---|---|
| Origin | Beijing, China |
| Instrument Type | Laboratory Gas Chromatograph |
| Application Field | Power Industry (Transformer Oil Dissolved Gas Analysis) |
| Temperature Control Range | Ambient + 3 °C to 450 °C |
| Oven Ramp Rate | 0.1–40 °C/min |
| Cooling Rate | ~8 min (450 °C → 50 °C) |
| Carrier Gas Flow Range & Control | 0–1200 mL/min |
| Carrier Gas Pressure Range & Control | 0–970 kPa |
| Injector Maximum Operating Temperature | 450 °C |
| Injector Pressure Setting Range | 0–970 kPa |
| Injector Total Flow Setting Range | 0–1200 mL/min |
| Detector | TCD (with automatic bridge current cutoff on carrier gas failure) |
| Column | Dedicated anti-fouling composite column for transformer oil analysis |
| Data Interface | Ethernet-enabled, remote control & diagnostics supported |
| Display | 5.7-inch LCD, bilingual (English/Chinese), 13-line interface |
| Self-Diagnostic System | Comprehensive power-on diagnostics, fault code display, power-loss parameter retention, keypad lock, and EMI suppression |
| Brand | ZHONGKEHUIFEN |
|---|---|
| Origin | Beijing, China |
| Model | HFG-961 Online Sulfur Compounds Monitoring System |
| Temperature Control Range | Ambient + 3 °C to 450 °C |
| Oven Ramp Rate | 0.1–40 °C/min |
| Cool-down Time | ~8 min (450 °C to 50 °C) |
| Carrier Gas Flow Range & Control | 0–1200 mL/min |
| Carrier Gas Pressure Range & Control | 0–970 kPa |
| Injector Max Operating Temperature | 450 °C |
| Injector Pressure Setpoint Range | 0–970 kPa |
| Injector Total Flow Setpoint Range | 0–1200 mL/min |
| Detection Targets | H₂S, COS, CH₃SH, C₂H₅SH, CH₃SCH₃, CS₂, C₄H₄S (thiophene), C₂H₅SC₂H₅, (CH₃)₂S₂ |
| Detector | Flame Photometric Detector (FPD) |
| LOD | 0.01 ppm (as H₂S) |
| Repeatability | RSD ≤ 3% |
| Cycle Time | 15 min (compound-dependent) |
| Power Supply | 220 VAC, 50 Hz, < 4 kW |
| Operating Environment | −10 °C to 50 °C |
| Output Interfaces | RS232 / RS485 |
| Brand | ZHONGKEHUIFEN |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | HF-900 |
| Instrument Type | Benchtop Laboratory Gas Chromatograph |
| Application Scope | General-Purpose |
| Oven Temperature Range | Ambient + 3°C to 450°C |
| Oven Ramp Rate | 0.1–40°C/min |
| Oven Cool-Down Time | ~8 min (450°C → 50°C) |
| Carrier Gas Flow Range & Control | 0–1200 mL/min |
| Carrier Gas Pressure Range & Control | 0–970 kPa |
| Injector Maximum Operating Temperature | 450°C |
| Injector Pressure Setting Range | 0–970 kPa |
| Injector Total Flow Setting Range | 0–1200 mL/min |
| Brand | Zhongkehuifen |
|---|---|
| Origin | Beijing, China |
| Model | GC-7820 Dedicated Gas Analysis System |
| Instrument Type | Laboratory Gas Chromatograph |
| Application Field | High-Purity Gas Analysis |
| Temperature Control Range | Ambient + 3 °C to 450 °C |
| Oven Ramp Rate | 0.1–40 °C/min |
| Cooling Rate | ~8 min (450 °C to 50 °C) |
| Carrier Gas Flow Range & Control | 0–1200 mL/min |
| Carrier Gas Pressure Range & Control | 0–970 kPa |
| Injector Maximum Operating Temperature | 450 °C |
| Injector Pressure Setting Range | 0–970 kPa |
| Injector Total Flow Setting Range | 0–1200 mL/min |
| Configuration | Multidimensional GC with Dual-10-Port Valves, Dual-6-Port Valves, Four Analytical Columns (including Two Pre-columns), Triple Detectors (Dual TCD + FID) |
| Data Interface | Digital Output via Ethernet |
| Software | Dedicated Tri-Channel Workstation (Windows 2000/XP/8 Compatible) |
| Compliance Context | Designed for GLP-compliant laboratory environments |
| Brand | Zhongkehuifen |
|---|---|
| Origin | Beijing, China |
| Model | GC-2080 Gas Chromatograph |
| Instrument Type | Laboratory Gas Chromatograph |
| Application Scope | General-purpose fuel gas analysis |
| Column Oven Temperature Range | Ambient + 3°C to 450°C |
| Temperature Ramp Rate | 0.1–40°C/min |
| Cooling Rate | 450°C to 50°C in ~8 min |
| Carrier Gas Flow Range & Control | 0–1200 mL/min |
| Carrier Gas Pressure Range & Control | 0–970 kPa |
| Injector Maximum Operating Temperature | 450°C |
| Injector Pressure Setting Range | 0–970 kPa |
| Injector Total Flow Setting Range | 0–1200 mL/min |
| Oven Dimensions | 260 × 230 × 270 mm (W × D × H) |
| Weight | ~50 kg |
| External Dimensions | 560 × 540 × 520 mm (W × D × H) |
| Brand | Zhongkehuifen |
|---|---|
| Origin | Beijing, China |
| Model | GC-7820 Dedicated Gas Chromatograph for Automotive Gasoline |
| Instrument Type | Laboratory Gas Chromatograph |
| Temperature Control Range | Ambient + 3 °C to 450 °C |
| Oven Ramp Rate | 0.1–40 °C/min |
| Cooling Rate | ~8 min (450 °C to 50 °C) |
| Carrier Gas Flow Range | 0–1200 mL/min |
| Carrier Gas Pressure Range | 0–970 kPa |
| Injector Max Temp | 450 °C |
| Injector Pressure Setting Range | 0–970 kPa |
| Injector Total Flow Setting Range | 0–1200 mL/min |
| Brand | Zhongkehuifen |
|---|---|
| Origin | Shandong, China |
| Model | GCS-90 |
| Instrument Type | Laboratory Gas Chromatograph |
| Application Field | Petroleum & Petrochemical Industry |
| Temperature Control Range | Ambient +5°C to 450°C |
| Max. Ramp Rate | 80°C/min |
| Cooling Rate | 450°C to 50°C in <5 min |
| Carrier Gas Flow Range & Control | 0–1000 mL/min, control resolution 0.01 mL/min |
| Carrier Gas Pressure Range & Control | 0–100 psi, control resolution 0.001 psi |
| Injector Max. Operating Temperature | 450°C |
| Injector Pressure Setting Range | 0–100 psi |
| Injector Total Flow Setting Range | 0–1000 mL/min |
| Detector | Flame Photometric Detector (FPD) |
| Sulfur LOD (COS) | 0.02 ppm |
| Dynamic Range | 10³ |
| Power Supply | 220 V, 50 Hz |
| Ambient Operating Conditions | 15–35°C, 5–95% RH |
| Temperature Setpoint Accuracy | ±0.01°C |
| Max. Programmable Temperature Steps | 16 (expandable) |
| Column Configuration | Multi-valve, multi-column, center-cutting GC architecture |
| Data Interface | 10/100M adaptive Ethernet with embedded TCP/IP stack |
| Display | 7-inch resistive touchscreen LCD (bilingual UI: English/Chinese) |
| Software | Dedicated sulfur-species workstation supporting up to 253 GC units, Modbus RTU server for DCS integration |
| Fluidic Path | All-PEEK flow path with passivated surfaces and zero-dead-volume fittings |
| Brand | ZHONGKEHUIFEN |
|---|---|
| Origin | Beijing, China |
| Model | GC-7900 |
| Carrier Gas Pressure Control | EPC (Electronic Pressure Control) |
| Column Oven Temperature Range | 80–120 °C |
| Analysis Cycle Time | 30 s (C₁–C₅ hydrocarbons) |
| Retention Time (C₁) | 5.5 s |
| Resolution (k) | ≥0.9 |
| Hydrogen Pressure | 0.3 MPa |
| Air Pressure | 0.25 MPa |
| Column Head Pressure | 0.19 MPa |
| Sample Gas Pressure | 0.04 MPa |
| Sample Gas Flow Rate | >600 mL/min |
| Polarization Voltage | 180 V DC |
| Quantitation Loop Volume | 0.5 mL |
| Amplification Factor | 10⁶ |
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