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| Brand | HUIFEN Instrument |
|---|---|
| Origin | Shandong, China |
| Model | GC-7820 Dedicated Gas Chromatograph for Automotive Gasoline |
| 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 | HUIFEN Instrument |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | HS-100 Series Auto Sampler |
| Pricing | Upon Request |
| Brand | HUIFEN Instrument |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | HF-901A |
| Instrument Type | Laboratory Gas Chromatograph |
| Application Scope | General-Purpose |
| Oven Temperature Range | Ambient + 5 °C to 450 °C |
| Ramp Rate | 0.1–80 °C/min |
| Cool-Down Rate | 350 °C → 50 °C in <5 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 |
| Temperature Control Zones | 8 independent zones with over-temperature protection |
| Display | 7-inch industrial color LCD touchscreen |
| Language Support | English & Chinese |
| Programmed Temperature Ramping | Up to 16 steps (expandable) |
| Maximum Run Time | 999.99 min |
| Injection Modes | Split/splitless capillary, packed column, valve injection, auto liquid/gas sampling |
| Detector Capacity | Up to 4 detectors simultaneously |
| Supported Detectors | FID, TCD, ECD, FPD, NPD, PDHID, PED |
| FID Detection Limit | ≤3.0×10⁻¹² g/s (n-hexadecane in iso-octane) |
| FID Linear Dynamic Range | ≥10⁷ |
| TCD Sensitivity | ≥10,000 mV·mL/mg (benzene/toluene) |
| TCD Linear Dynamic Range | ≥10⁵ |
| FPD Detection Limits | S ≤2×10⁻¹¹ g/s, P ≤1×10⁻¹² g/s (methyl parathion) |
| ECD Detection Limit | ≤1.0×10⁻¹⁴ g/mL (γ-HCH) |
| NPD Detection Limits | N ≤1.0×10⁻¹² g/s (azobenzene), P ≤1.0×10⁻¹² g/s (malathion) |
| Brand | Huifen Instrument |
|---|---|
| Origin | Shandong, China |
| Model | HF-900 |
| Instrument Type | Laboratory Gas Chromatograph |
| Application Scope | General-purpose |
| Oven Temperature Range | Ambient + 5 °C to 450 °C |
| Maximum Ramp Rate | 60 °C/min |
| Cooling Rate | 350 °C to 50 °C in <5 min |
| Injector Temperature Max | 450 °C |
| Carrier Gas Flow Range | 0–1200 mL/min |
| Carrier Gas Pressure Range | 0–970 kPa |
| Number of Independent Temperature Zones | 7 |
| Temperature Setpoint Accuracy | ±0.1 °C |
| Maximum Run Time | 999.99 min |
| Programmed Temperature Steps | 20 |
| Detector Options | FID, TCD, FPD |
| FID Detection Limit | ≤3.0×10⁻¹² g/s (n-hexadecane / isooctane) |
| FID Linear Dynamic Range | ≥10⁷ |
| TCD Sensitivity | ≥10,000 mV·mL/mg (benzene / toluene) |
| TCD Linear Dynamic Range | ≥10⁵ |
| Brand | HUIFEN Instrument |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic |
| Model | GCS-70 |
| Instrument Type | Online Gas Chromatograph |
| Application Field | Petrochemical Industry Specific |
| Temperature Control Range | Ambient +5°C to 450°C |
| Maximum Ramp Rate | 80°C/min |
| Cooling Rate | ~10 min from 450°C to 50°C |
| Carrier Gas Flow Range & Control | 0–1000 mL/min, resolution 0.01 mL/min |
| Carrier Gas Pressure Range & Control | 0–100 psi, resolution 0.001 psi |
| Injector Maximum Operating Temperature | 450°C |
| Injector Pressure Setting Range | 0–100 psi |
| Injector Total Flow Setting Range | 0–800 mL/min |
| Detector Options | TCD, FID, FPD (up to 3 simultaneously) |
| Detection Limits | TCD ≥100 ppm, FID ≥0.1 ppm, FPD ≥100 ppb |
| Explosion Protection | Positive-Pressure Enclosure, Ex d px II C T4 Gb |
| Ingress Protection | IP65 |
| Output Signal | 4–20 mA |
| Communication | RS232 / RS485 (Modbus RTU) |
| Instrument Air Requirement | Clean air, 0.4–0.6 MPa |
| Dimensions (W×D×H) | 900 × 1020 × 2080 mm |
| Net Weight | 310 kg |
| Brand | Huifen Instruments |
|---|---|
| Origin | Shandong, China |
| Model | GC-7820S Trace Sulfur Analyzer |
| Instrument Type | Laboratory Gas Chromatograph |
| Application Field | Petrochemical Industry Dedicated |
| Oven Temperature Range | Ambient + 3 °C to 450 °C |
| Oven Ramp Rate | 0.1–40 °C/min |
| Oven Cool-down | ~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 |
| Detector | Flame Photometric Detector (FPD) |
| FPD Sulfur Minimum Detectable Amount | 5 pg/s (as dodecanethiol) |
| FPD Phosphorus Minimum Detectable Amount | 0.11 pg/s (as tributyl phosphate) |
| FPD Dynamic Range (S) | 10³ |
| FPD Dynamic Range (P) | 10⁴ |
| Column Oven Programmable Temperature Steps | 16 |
| Column Oven Temperature Setting Accuracy | ±0.1 °C |
| Injector Types Supported | Packed Column, Split/Splitless |
| Valve System | Multi-position automated switching valves (4-, 6-, 10-port), electromechanical or electronic pressure/flow-controlled auxiliary valves |
| Valve Switching Speed | 10 ms |
| Rated Valve Lifetime | 1,000,000 cycles |
| Data Interface | 10/100M adaptive Ethernet with embedded TCP/IP stack |
| Display | 7-inch full-color resistive touchscreen LCD |
| Language Support | English and Chinese UI |
| Software | Dedicated sulfur analysis workstation supporting up to 253 concurrent GC systems, Modbus RTU server integration for DCS connectivity |
| Optional Configuration | Electronic Pressure Control (EPC) module with auto-ignition, flame-out recovery, and pneumatic fault self-protection |
| Brand | HUIFEN |
|---|---|
| Origin | Shandong, China |
| Model | GCS-8A |
| Detector Type | Flame Photometric Detector (FPD) |
| Detection Range | 100 ppb – 0.1% (S) |
| Accuracy | ±5% for major components, ±10% for trace sulfur |
| Power Supply | DC 24 V lithium battery |
| Operating Temperature | 5–45 °C |
| Operating Humidity | 5–95% RH |
| Power Consumption | 500 W |
| Dimensions | 390 × 230 × 310 mm |
| Net Weight | ≤12 kg |
| Carrier Gas | Hydrogen (solid-state storage), Nitrogen (with rapid-fill cylinder interface) |
| Flow Control | Electronic Pressure Control (EPC) |
| Data Output | Integrated thermal printer |
| Brand | Huifen Instruments |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic |
| Model | ZQHF-300 |
| Hydrogen Generation Principle | PEM-free Alkaline Electrolysis |
| Output Flow Rate | 300–500 mL/min |
| Output Pressure | 43–116 psi (0.3–0.8 MPa) |
| Hydrogen Purity | 99.9995% v/v |
| Power Consumption | 100 W |
| Input Voltage | 220 V AC, 50 Hz |
| Operating Temperature | 0–40 °C |
| Relative Humidity | <85% RH |
| Dimensions | 5U rack-mountable form factor |
| Weight | 12 kg |
| Brand | Huifen Instrument |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | GCS-80 Portable Trace Sulfur Analyzer |
| Power Supply | DC 24 V (Internal Rechargeable Lithium Battery) |
| Operating Temperature | 5–45 °C |
| Operating Humidity | 5–95 % RH |
| Power Consumption | 500 W |
| Detector | Flame Photometric Detector (FPD) |
| Detection Range (FPD) | 100 ppb – 0.1 % (v/v) |
| Accuracy | ±5 % for major components |
| Dimensions (L×W×H) | 390 × 230 × 310 mm |
| Net Weight | ≤12 kg |
| Hydrogen Source | Solid-State Metal Hydride Cartridge |
| Runtime | Up to 12 h continuous operation |
| Gas Flow Control | Electronic Pressure Control (EPC) |
| Data Output | Integrated Thermal Micro-Printer |
| Nitrogen Cylinder Interface | Quick-Connect Fitting with Pressure Regulation |
| Brand | Huifen Instruments |
|---|---|
| Origin | Shandong, China |
| Model | GC-7820A |
| Oven Temperature Range | Ambient +5 °C to 450 °C |
| Max. Ramp Rate | 0.1–80 °C/min |
| Cooling Rate | 350 °C → 50 °C in <5 min |
| Carrier Gas Flow Range & Control | 0–1200 mL/min |
| Carrier Gas Pressure Range & Control | 0–0.6 MPa |
| Injector Max. Temp. | 450 °C |
| Injector Pressure Setting Range | 0–0.6 MPa |
| Injector Total Flow Setting Range | 0–1200 mL/min |
| Independent Temperature Zones | 8 |
| Programmed Temperature Steps | 16 (expandable) |
| Max. Run Time | 999.99 min |
| Detector Compatibility | FID, TCD, ECD, FPD, NPD, PDHID, PED |
| FID Detection Limit | ≤3.0×10⁻¹² g/s (n-hexadecane) |
| TCD Sensitivity | ≥10,000 mV·mL/mg (benzene/toluene) |
| FPD Detection Limits | S ≤2×10⁻¹¹ g/s, P ≤1×10⁻¹² g/s (methyl parathion) |
| ECD Detection Limit | ≤1.0×10⁻¹⁴ g/mL (γ-HCH) |
| NPD Detection Limits | N ≤1.0×10⁻¹² g/s (azobenzene), P ≤1.0×10⁻¹² g/s (malathion) |
| Brand | Huifen Instrument |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic |
| Model | HF-901D Power Transformer Oil Gas Chromatograph |
| Instrument Type | Laboratory Gas Chromatograph |
| Application Field | Petroleum & Petrochemical Industry (Specialized for Electrical Insulating Oil) |
| Temperature Control Range | Ambient + 3 °C to 450 °C |
| Oven Ramp Rate | 0.1–80 °C/min |
| Cooling Rate | 450 °C → 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 Setpoint Range | 0–970 kPa |
| Injector Total Flow Setpoint Range | 0–1200 mL/min |
| Detection Sensitivity (Minimum Detectable Concentration in Oil) | ≤0.1 μL/L for H₂, CH₄, C₂H₄, C₂H₆, C₂H₂, CO, CO₂ |
| Analysis Cycle Time | ≤7 min per sample |
| Temperature Stability | ±0.1 °C |
| Power Consumption | 1.9 kW |
| Dimensions (W×D×H) | 660 × 560 × 480 mm |
| Brand | Huifen Instrument |
|---|---|
| Origin | Shandong, China |
| Model | HF-900A |
| Temperature Control Range | 5°C above ambient to 420°C |
| Maximum Ramp Rate | 120°C/min |
| Cooling Rate | 450°C to 50°C in <5 min |
| Carrier Gas Flow Range & Control | 0–500 mL/min |
| Carrier Gas Pressure Range & Control | 0–0.4 MPa |
| Injector Maximum Operating Temperature | 420°C |
| Injector Pressure Setting Range | 0–0.4 MPa (customizable) |
| Injector Total Flow Setting Range | 0–500 mL/min (customizable) |
| Brand | HUIFEN Instrument |
|---|---|
| Origin | Shandong, China |
| Model | NMHF-60 |
| Detection Limit | ≤0.1 ppm (Methane), 0.05 ppm (NMHC) |
| Repeatability | RSD ≤3% (Total Hydrocarbons) |
| Weight | 11 kg |
| Power Supply | <500 W, 24 V DC |
| Operating Temperature | 0–50 °C |
| Relative Humidity | 10–90% RH |
| Analysis Time | <60 s (NMHC) |
| Detector | Flame Ionization Detector (FID) |
| Linear Range | 10⁷ |
| EPC Control Precision | ±0.01 psi |
| Column Heating | Full-path heated zone (up to 200 °C) |
| Hydrogen Source | Solid-state metal hydride hydrogen generator |
| Brand | Huifen Instruments |
|---|---|
| Origin | Shandong, China |
| 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 → 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 |
| Detection System | Dual FID |
| Column Configuration | Dual-column, dual-valve, dual-detector |
| Sample Introduction | Automated loop injection (0.5–1.0 mL) |
| Key Standards Compliance | GB/T 5274, ISO 6142, GB 11174, GB/T 12576, GB 19159, SH/T 0233 |
| Brand | Huifen Instruments |
|---|---|
| Origin | Shandong, China |
| Model | HF-908 |
| Instrument Type | Laboratory Gas Chromatograph |
| Oven Temperature Range | Ambient +2°C to 450°C |
| Maximum Ramp Rate | 250°C/min |
| Cool-down Time | <3.2 min (from 450°C to 50°C, with EPC) |
| Carrier Gas Flow Range & Control | 0–1250 mL/min (EPC) |
| Carrier Gas Pressure Range & Control | 0–200 psi (EPC) |
| Injector Maximum Operating Temperature | 450°C |
| Injector Pressure Setting Range | 0–200 psi (customizable) |
| Injector Total Flow Setting Range | 0–1250 mL/min (customizable) |
| Brand | Huifen Instrument |
|---|---|
| Origin | Shandong, China |
| Model | HF-901H |
| Instrument Type | Laboratory Gas Chromatograph |
| Application Field | Environmental Monitoring & Fuel Quality Control |
| Oven Temperature Range | Ambient + 5 °C to 450 °C |
| Ramp Rate | 0.1–80 °C/min |
| Cool-down Time | ~8 min (450 °C → 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 |
| Detector | FID (Min. Detectable Level: <5 pg C/s on n-hexadecane |
| Linear Dynamic Range | 10⁷ ±10% |
| Data Acquisition Rate | 20 Hz) |
| Temperature Control Precision | ±0.1 °C |
| Max Run Time | 999.99 min |
| Programmable Temperature Steps | 16 |
| Injector Options | Packed Column, Split/Splitless |
| Valve System | Configurable Auto-Controlled Valves (4-port, 6-port, 10-port, or Liquid Sampling Valve) |
| Solenoid Valve Lifetime | ≥1×10⁶ cycles (10 ms switching) |
| Brand | HUIFEN Instrument |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic |
| Model | NBGC-60 |
| Instrument Type | Online Gas Chromatograph |
| Application Field | Environmental Monitoring |
| Brand | Huifen Instrument |
|---|---|
| Origin | Shandong, China |
| Model | GPHF-1 |
| Output Flow Rate | 0–10 L/min |
| Output Pressure | 0.3–0.5 MPa |
| Maximum Working Pressure | 0.6 MPa |
| Operating Temperature | 5–40 °C |
| Relative Humidity | ≤85% RH |
| Dimensions (L×W×H) | 290 × 190 × 360 mm |
| Brand | HUIFEN Instrument |
|---|---|
| Origin | Shandong, China |
| Model | AHS-16 |
| Type | Dynamic Headspace Sampler |
| Automation Level | Fully Automated |
| Sample Vial Capacity | 16 positions |
| Touchscreen Interface | 7-inch capacitive LCD |
| Valve Type | Precision high-temperature 6-port rotary valve |
| Sample Loop Material | Passivated 316 stainless steel |
| Sample Path Heating | Independent heated transfer line (up to 220 °C) |
| Carrier Gas Control | High-accuracy pressure and flow regulators |
| Adsorbent Trap Cleaning Function | Integrated purge cycle |
| Compliance | Designed for compatibility with ISO 17025-accredited labs and GLP/GMP workflows |
| Brand | Huifen Instruments |
|---|---|
| Origin | Shandong, China |
| Model | TD-09 |
| Instrument Type | Laboratory Thermal Desorption Unit for Gas Chromatography |
| Application Scope | General-Purpose Volatile Organic Compound (VOC) and Semi-Volatile Organic Compound (SVOC) Analysis |
| Heating Zones | Four Independently Controlled Zones (Primary Desorption Zone, Valve Oven, Transfer Line, Secondary Desorption Zone) |
| Cooling Method | Electronic Peltier Cooling |
| Automation Level | Full Sequence Automation with GC Synchronization |
| Sample Tube Activation | Integrated Tube Conditioning Protocol |
| Compliance Support | Designed to meet ASTM D6196, ISO 16017-1, and EPA TO-17 requirements for thermal desorption sampling and analysis |
| Software Interface | RS232/USB Communication |
| GC Interface | Universal Needle Port—Mechanically Compatible with All Standard Split/Splitless Inlets (Agilent, Thermo, Shimadzu, PerkinElmer, etc.) |
| Brand | HUIFEN |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | VOCs Online Monitoring System |
| Pricing | Available Upon Request |
| Brand | Huifen Instrument |
|---|---|
| Origin | Shandong, China |
| Model | GCS-60 |
| Instrument Type | Online Gas Chromatograph |
| Application Field | Petrochemical Industry |
| Oven Temperature Range | Ambient +5°C to 450°C |
| Maximum Ramp Rate | 80°C/min |
| Cooling Rate | ~10 min from 450°C to 50°C |
| Carrier Gas Flow Range & Control | 0–1000 mL/min, resolution 0.01 mL/min |
| Carrier Gas Pressure Range & Control | 0–100 psi, resolution 0.001 psi |
| Injector Max Operating Temperature | 400°C |
| Injector Pressure Set Range | 0–100 psi |
| Injector Total Flow Set Range | 0–1000 mL/min |
| Detector | Flame Photometric Detector (FPD) for Sulfur |
| Detection Range | 50 ppb – 0.1% (v/v) |
| Accuracy | ±5% for major components, ±10% for trace sulfur species |
| Output Signal | 4–20 mA analog |
| Communication | RS-232 / RS-485 (Modbus RTU protocol) |
| Power Supply | 220 VAC, 50 Hz |
| Ambient Operating Conditions | 5–45°C, 5–95% RH (non-condensing) |
| Dimensions (W×D×H) | 800 × 700 × 1900 mm |
| Net Weight | 170 kg |
| Brand | HUIFEN Instrument |
|---|---|
| Origin | Shandong, China |
| Model | HS-06 |
| Instrument Type | Dynamic Headspace Sampler |
| Automation Level | Semi-Automatic |
| Vial Heating Range | Ambient +1°C to 200°C (1°C increments) |
| Valve & Transfer Line Heating Range | Ambient +1°C to 200°C (1°C increments) |
| Quantitative Loop Volume | 1 mL |
| Vial Capacity | 9 positions |
| Vial Size | 20 mL |
| Temperature Control Accuracy | < ±0.2°C |
| Pressure Control Range | 0–0.4 MPa (continuously adjustable) |
| Method Storage | 20 user-programmable methods |
| Timing Precision | Programmable 3-event, 10-segment time sequence |
| Reproducibility | RSD ≤ 1.0% (200 ppm ethanol in water) |
| Purge Flow & Duration | Adjustable for backflush cleaning |
| Brand | HUIFEN |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Authorized Distributor |
| Product Type | On-Line Analyzer |
| Response Time | ≤0.5 s |
| Repeatability | ±0.5% FS (H₂, N₂, O₂, CO, CO₂, H₂S, COS, C₁–C₅) |
| Detectors | TCD (100 ppm – 100%), FID (0.1 ppm – 100%), FPD (100 ppb – 0.1%) |
| Power Supply | 220 VAC, 50 Hz |
| Operating Temperature | 5–35 °C |
| Humidity Range | 5–95% RH (non-condensing) |
| Power Consumption | 5 kW (increases with heated sample line length) |
| Enclosure Rating | IP65 |
| Explosion Protection | Ex d pxb ib mb px b II C T4 Gb (IEC 60079-2 & IEC 60079-28 compliant) |
| Output Signal | 4–20 mA (isolated) |
| Communication | RS232 / RS485 (Modbus RTU) |
| Instrument Air | Clean, oil-free air at 0.4–0.6 MPa |
| Dimensions (W×H×D) | 360 × 800 × 970 mm |
| Net Weight | 110 kg |
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