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| Brand | Zhongyi Yusheng |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | OEM Manufacturer |
| Instrument Type | Static Headspace Sampler |
| Automation Level | Semi-Automatic |
| Sample Vial Capacity | 12-position carousel |
| Vial Size | 20 mL |
| Injection Mode | Pressure-Balanced Sampling |
| Independent Temperature Zones | 3 (Sample Oven, Valve Box, Transfer Line) |
| Method Storage | 9 pre-programmable methods |
| GC Synchronization | Yes (TTL/relay trigger) |
| Carrier Gas Interface | External pressure regulation, compatible with native GC carrier gas supply |
| Backflush Function | Automated valve and transfer line purge |
| Compatibility | Universal interface for Agilent, Thermo Fisher, Shimadzu, PerkinElmer GC systems |
| Brand | Zhongyi Yusheng |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Model | HTB-3420A |
| Adsorption Tubes Capacity | 20 |
| Temperature Control Range | Ambient to 400 °C (typical operational range for tube conditioning) |
| Timer Range | 0–99 h 99 min |
| Power Consumption | 500 W |
| Dimensions (W×D×H) | 170 mm × 390 mm × 400 mm |
| Net Weight | ~8 kg |
| Tube Compatibility | 6 mm OD (¼″ OD), unlimited length |
| Purge Gas | Nitrogen (requires external supply, filtered via integrated deep-gas purifier) |
| Brand | Zhongyi Yusheng |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | HTB-3420B |
| Adsorption Tubes Capacity | 24 |
| Heating Stages | 5-zone programmable ramping |
| Cooling Method | Forced-air rapid cooling |
| Gas Control | Electronic mass flow controllers (MFCs) |
| User Interface | 7-inch capacitive touch screen |
| Exhaust Management | Electronically actuated exhaust valve with centralized outlet |
| Tubing Material | Stainless steel |
| Pre-filtering | Integrated particulate and hydrocarbon filter at gas inlet |
| Tube Connection | Quick-release fittings with low-wear sealing design |
| Independent Channel Operation | Per-tube gas flow isolation and activation control |
| Brand | Zhongyi Yusheng |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Two-Stage Thermal Desorber |
| Automation Level | Fully Automated |
| Desorption Zone Temperature Range | Ambient to 400 °C |
| Valve Injection Zone Temperature Range | Ambient to 220 °C |
| Transfer Line Temperature Range | Ambient to 240 °C |
| Cryo-Focusing Trap Temperature | −30 °C |
| Temperature Control Accuracy | ±0.1 °C |
| Analyte Recovery Rate | >95% |
| Sample Capacity | 20 adsorption tubes |
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