The HZSP-II is a laboratory-grade gas chromatograph engineered for transformer oil dissolved gas analysis (DGA) and a wide range of analytical applications. Controlled through a 7-inch color touch screen with a professional chromatography UI, it delivers intuitive access to inlet, column oven, and detector temperature values, individual detector readings, and run time — with one-key temperature reduction for fast, convenient operation.
The instrument is widely used in scientific research and education, petroleum, chemical, biochemical, food safety, medical and health, environmental monitoring, and judicial investigation. It is trusted for high testing precision and excellent repeatability.
| Network Inverse Control System | Internal CAN method with interface board design; can be converted to network output at will. |
|---|---|
| Number of Signal Output Bits | 24-bit |
| Communication Interface | Network interface output (connected via Category 6 network cable) |
| Circuit Design | ARM embedded design; supports wireless control, remote control, and mobile phone APP control. |
| Temperature Control System | Six independent temperature control channels |
| Temperature Control Range | Above room temperature to 450°C; optional liquid nitrogen refrigeration: -80°C to 450°C |
| Column Temperature Control Accuracy | ±0.02°C |
| Programmed Temperature Rise | Arbitrary order, 0.1°C per order |
| Display Module | Large-screen liquid crystal display |
| Display Accuracy | 0.01°C |
| Column Program Rise Rate | 0–80°C/min (adjustment increment 0.1°C/min), up to 120°C/min |
| Programmed Temperature Rise Repeatability | ≤1% |
| Electronic Pressure Controller (EPC/EFC) | Pressure range: 0–1000 kPa; full pressure control accuracy: 0.001 psi; maximum split ratio: 8000:1 |
| TCD Detector Sensitivity | S value ≥ 8000 mV·mL/mg (benzene), up to 12000 mV·mL/mg (benzene) |
| TCD Baseline Noise | ≤10 µV |
| TCD Baseline Drift | ≤50 µV/30 min |
| FID Detector Detection Limit | ≤5.0 × 10⁻¹² g/s (cetane) |
| FID Baseline Noise | ≤2 × 10⁻¹⁴ A |
| FID Baseline Drift | ≤1 × 10⁻¹³ A/30 min (after 2 hours of instrument stabilization) |
| ECD Detector Detection Limit | ≤1.0 × 10⁻¹³ g/s (r-666) |
| ECD Baseline Noise | ≤40 µV |
| ECD Baseline Drift | ≤100 µV/30 min |
| FPD Detector Detection Limit | ≤1.4 × 10⁻¹² g/s (P); ≤5 × 10⁻¹¹ g/s (S) |
| FPD Baseline Noise | ≤20 µV |
| FPD Baseline Drift | ≤50 µV/30 min |
| Expansion | 6 external events can be added |
| Automation Engineering | Optional additions: automatic ignition function, autosampler connection, four-way flow pressure display, and reverse control workstation for reverse control. |
Q1: Is your company a sales agent or a manufacturer?
We are an integrated trade and manufacturing company with our own factory.
Q2: Can the product be customized with our own brand or special built-in software requirements?
Yes. We accept OEM/ODM/OBM and can customize the product's built-in software according to the customer's special requirements.
Q3: What is the usual lead time? How long until we receive the order after placing it?
Under normal circumstances, in-stock products can be received within 5 to 7 days via the fastest international express. Other situations may vary depending on the quantity ordered, whether there are special customization requirements, and the chosen delivery method.
Q4: How do you ensure the product will not be damaged during transportation, given its large size?
We use professional internal and external packaging to ensure the safety and stability of products during transportation. For fragile or other special parts, we include an extra set so the customer can use the product immediately upon receipt.
Q5: How do you handle after-sales service? What if there is a quality problem or the customer does not know how to operate the product?
For quality issues not caused by human error, we provide a one-year warranty from the time the product is delivered, plus lifetime technical support. Other after-sales issues are addressed by our professional technical staff within 24 hours. The product comes with a user manual and an operation video.
