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| Brand | Zhongkehuifen (ZK-HG) |
|---|---|
| Origin | Beijing, China |
| Type | Oil-Free Laboratory Air Generator |
| Output Flow | 0–3 L/min |
| Output Pressure | 0–0.4 MPa (adjustable) |
| Air Purity | Oil-free, Triple-Stage Purification |
| Noise Level | ≤30 dB(A) |
| Power Rating | 150 W |
| Protection | Overpressure, Overcurrent, Overtemperature |
| Construction | Fully Enclosed Compressor, Vibration-Free Operation |
| Brand | ZHONGKEHUIFEN |
|---|---|
| Origin | Beijing, China |
| Model | LC-1220A |
| Pump Type | Tandem Dual-Piston |
| Flow Rate Range | 0.01–100 mL/min |
| Flow Accuracy | ±2% or ±20 µL/min (whichever is greater, at 0.1–100 mL/min) |
| Flow Precision | ≤0.6% RSD |
| Maximum Pressure | 20 MPa (3000 psi) |
| Gradient Capability | High-Pressure Binary |
| UV Detector Wavelength Range | 190–700 nm |
| Wavelength Accuracy | ±1 nm |
| Wavelength Repeatability | ±0.1 nm |
| Spectral Bandwidth | <6 nm |
| Lamp | Deuterium (D₂), 2000 h lifetime |
| Data Output | 2 AU/V |
| Dimensions (W×D×H) | 400 × 300 × 180 mm |
| Weight | 10.0 kg |
| Power Supply | 100–240 VAC, 50–60 Hz, 80 W |
| Brand | ZHONGKEHUIFEN |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (PRC) |
| Model Series | Capillary Column Series |
| Pricing | Available Upon Request |
| Brand | ZHONGKEHUIFEN |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | Tri-Gas Generator System |
| Nitrogen Purity | 99.999% (O₂ < 1 ppm) |
| Hydrogen Purity | 99.999% (O₂ < 1 ppm) |
| Air Purity | Oil-free, Class 1 compressed air per ISO 8573-1:2010 |
| Nitrogen Output Pressure | 0.4 MPa |
| Hydrogen Output Pressure | 0.3 MPa |
| Air Output Pressure | 0.4 MPa |
| Nitrogen Flow Rate | 0–300 mL/min |
| Hydrogen Flow Rate | 0–300 mL/min |
| Air Flow Rate | 0–2 L/min |
| Input Power | AC 220 V, 50 Hz |
| Operating Temperature | 0–40 °C |
| Relative Humidity | <85% RH (non-condensing) |
| Brand | ZHONGKEHUIFEN |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (PRC) |
| Model Series | Packed Column Series |
| Pricing | Upon Request |
| 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 |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (PRC) |
| Model Series | Valve Components Series |
| Pricing | Available Upon Request |
| 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 |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | H2-300 |
| Output Purity | 99.99% (v/v, O₂-equivalent) |
| Flow Rate | 0–300 mL/min |
| Input Voltage | AC 220 V, 50 Hz |
| Operating Temperature | 10–40 °C |
| Relative Humidity | <85% RH |
| Max Power Consumption | 210 W |
| 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 |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (PRC) |
| Model Series | HPLC Column Series |
| Pricing | Available Upon Request |
| Brand | ZHONGKEHUIFEN |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Regional Classification | Domestic (PRC) |
| Model Series | Autosampler Series |
| Pricing | Upon Request |
| 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 |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model Series | Liner Tube Series |
| Pricing | Available Upon Request |
| Brand | ZHONGKEHUIFEN |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Regional Classification | Domestic (PRC) |
| Model | LC-2212 |
| Instrument Category | Conventional HPLC System |
| Flow Rate Range | 0.001–9.999 mL/min |
| Maximum Pressure | 40 MPa |
| Autosampler Capacity | 50 positions |
| Injection Volume Range | 1–50 µL |
| Column Oven Temperature Range | (Ambient + 10)°C to 60°C |
| UV-Vis Wavelength Range | 190–700 nm |
| Data Acquisition Rate | 10 Hz |
| Brand | ZHONGKEHUIFEN |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Manufacture | China |
| Model | GC-7820 |
| Pricing | Available Upon Request |
| Brand | Zhongkehuifen |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Model | 5B-3A |
| Detection Range | 20–1500 mg/L COD |
| Digestion Temperature | 165 °C ±1.0 °C |
| Digestion Time | 10 min |
| Measurement Time | 20 min for up to 9 samples |
| Chloride Interference Tolerance | ≤1000 mg/L (standard), ≤4000 mg/L (with high-chloride correction) |
| Repeatability | ≤0.03% RSD |
| Optical Stability | 0.01 A / 5 min |
| Built-in Calibration Curves | 20 (user-editable and savable) |
| Data Storage Capacity | 1000 records (including parameter ID, timestamp, and value) |
| Display | Integrated LCD |
| Connectivity | RS232 or USB for data export |
| Printer | Built-in thermal printer |
| 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 |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | HFG-960 Online Industrial Gas Chromatograph |
| Price Range | USD 14,000 – 70,000 |
| Category | Online Gas Chromatograph |
| Detection Principles | Capillary Column Separation + Flame Ionization Detector (FID) / Thermal Conductivity Detector (TCD) / Flame Photometric Detector (FPD) |
| Enclosure Rating | IP65 |
| Explosion Protection | Ex d IIC T6 Gb |
| Operating Temperature | −5 °C to +45 °C |
| Humidity | ≤90% RH (non-condensing) |
| Power Supply | 200–240 VAC, 50/60 Hz |
| Sample Introduction | Extractive Sampling |
| Flow Rate | 100 ± 50 mL/min (customizable) |
| Line Material | 316L Stainless Steel, PTFE, Passivated Stainless Steel |
| Heating Zone | Full-path heated to ≥120 °C (no cold spots) |
| Drift | <3% FS over 30 days |
| Repeatability | RSD <3% |
| Filtration Precision | <5 µm |
| Output Signals | 4–20 mA, RS232/RS485 (Modbus RTU), Ethernet (Modbus TCP) |
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