1 | Volume and dimension | Working volume | 1000L±10L |
Chamber dimension | 1250×800×1000mm（W×D×H） |
External dimension | 1480mm×1480mm×1850mm（W×D×H） |
2 | Temperature | Temperature range | 0–75℃ (During test operation with no load and sample present) |
Temperature regulation accuracy | ±0.5 ℃ |
Temperature resolution | 0.1 ℃ |
Temperature uniformity | at＋10～＋37℃,± <+/-0.4°C |
Temperature control | Air jacket indirect temperature control method (external heating and cooling components) |
3 | Humidity | Humidity range | 10–90% RH (no load, with sample present) |
Humidity resolution | 0.1 % RH |
Humidity control | Dry-wet ratio control method (external) |
4 | Background value | Formaldehyde background value | ≤5 μg/m3 |
Single VOC background value | ≤2 μg/m³ (including monobenzene, alkanes, alcohols, hydrocarbons, phenols, amines, halogenated hydrocarbons, etc.) |
Total TVOC background value | ≤50 μg/m³ |
5 | Door | Inner chamber door | Door with double-door design, tempered float glass door in the cabin, and knob-adjustable locking mechanism |
Exterior door | The airbag outer compartment door is constructed from 1.5 mm thick cold-rolled steel plate and secured with 304 stainless steel door handles. |
6 | Ventilation and Sealing | Air exchange rate | 0.3 m³～1 m³/h (air exchange rate 0.3～1 times per hour) |
Air displacement control method | Precision digital flow controller for accurate control of 3L to 16.7L/min |
Chamber air velocity | （0.1～0.3)m/s The airflow distribution system is designed based on aerodynamic principles, with guide channels installed behind the wind deflector to ensure uniform air supply. Multi-point variable frequency speed control technology is employed to guarantee homogeneous air mixing within the cabin, achieving a uniformity level that prevents condensation when the cabin temperature reaches the designed minimum point. |
Sealing | The air leakage rate during operation is less than 3% of the total air exchange volume. |
Device recovery rate | The recovery rate of toluene or n-dodecane is> 80%. |
Relative positive pressure maintenance | 10.0Pa±5Pa, maintaining positive pressure inside the cabin in real-time |
7 | Material | Inner chamber material | Imported SUS304 mirror-grade stainless steel, 2mm thick, with rounded corner chamfering and full welding polishing process |
Shell material | Cold-rolled steel plate, 1.5 mm thick, with DuPont electrostatic spraying on the surface |
Sealing material | Imported polytetrafluoroethylene, FDA food-grade |
Insulation material | Adiabatic rock wool |
8 | Operation and control | Interface | 7-inch color touchscreen (with Ethernet port for remote control), with Chinese and English. |
Device control method | The following control methods are available: ①Local control: Operate the device directly on the touchscreen ② Regional control: View and control devices on any local area network (LAN) computer |
Automatically record items | Automatically record the following items in the work cabin: ①Temperature ②Humidity ③Pressure differential ④Flow rate ⑤Running time ⑥System alarm It can achieve system control, program setting, dynamic data display and historical data playback, fault recording, alarm setting, and other functions. |
Cleanable system for reuse | The integrated gas system employs intake pressure control, precision oil removal, dehydration, flow rate regulation, and deep drying processes, utilizing an advanced purification system to deliver standard clean gas into the chamber. The entire high-temperature cleaning process generates no environmental pollution. Equipped with comprehensive monitoring and alarm systems, it provides real-time operational status tracking throughout the process, featuring protective alarms for heater overheating, excessive flow rates, and cabin temperature/pressure exceedances to prevent equipment damage. Additionally, the system can activate cleaning regeneration mode to thermally decompose filter media for regeneration, extending filter lifespan. The temperature control range reaches up to 200°C. |
9 | Protection | System Protection | ①High-temperature protection in the cabin ② Power supply overload, leakage current, phase loss, undervoltage, overvoltage, and phase sequence protection ③ High and low voltage protection, overload protection for the refrigeration system ④Overheating protection for heating components ⑤ Load impact resistance design ⑥ Motor overcurrent protection ⑦ Overheat and overload protection for fans and air pumps ⑧ Humidification and dehydration protection ⑨ Pressure protection |
9 | Interface | Data interface | The device provides the following external interfaces: ① USB: 1 port |
Sampling interface | 2 |
| Scavenging port | One adjustable differential pressure port |
| Specimen holder | Standard set, made of 304 stainless steel |
Accessories | Atmospheric sampler | One dual-channel atmospheric sampler, 3 multi-hole bottle washers (50ml each) |
Others | Noise | ≤65 dB |
| Trundle | Industrial vibration damping Fuma casters ensure more stable equipment operation, with both mobile and fixed configurations available. |
10 |
| Power supply | AC230V 3.2KW 25A single-phase three-wire system |
11 |
| Weight | Approximately 300KG |
12 |
| Humidification water | Distilled water |
13 |
| Total gas source | For self-provision, it is recommended to use a screw-type oil-free air compressor + a gas storage tank with a capacity of over 1 m³ + a refrigerated dryer. |
Device operating environment |
1. Temperature | 0～35℃ |
2. Relative humidity | ≤85%RH |
3. Atmospheric pressure | 86～106Kpa |
4. No significant surrounding vibration. |
5. Avoid direct sunlight exposure or other direct thermal radiation sources. |
6. There should be no strong airflow around the area. When forced airflow is required for the surrounding air, the airflow should not be directed directly onto the enclosure. |
7. No strong electromagnetic field influence in the surrounding environment. |
8. No high-concentration dust or corrosive substances are present in the surrounding area. |
9. The venue exhibits excellent ventilation performance. |
