Hydrogen Sulfide Gas Corrosion Test Chamber 64 L

2. Prohibited Samples

This equipment is strictly prohibited for testing or storage of:

Flammable, explosive, or volatile substances

Biological samples

Samples with strong electromagnetic emissions

Radioactive materials

3. Volume, Dimensions, and Weight

3.1 Nominal Volume

64 L

3.2 Inner Chamber Size (D × W × H)

400 × 400 × 400 mm

3.3 Overall Dimensions (D × W × H)

1020 × 950 × 1650 mm

3.4 Weight

300 kg

4.1 Performance

4.1 Test Environment Conditions

Ambient temperature: +5 to +28°C, relative humidity ≤ 85%, under the condition that there are no samples inside the test chamber.

4.2 Test Standards

QB/T 3831-1999《Hydrogen Sulfide Test Method for Metal Coatings of Light Industrial Products》

GB/T 2423.20-2014《Hydrogen Sulfide Corrosion Test Method》

4.3 Temperature Range

RT +10°C to 50°C

4.4 Humidity Range

50%–95% RH

4.5 Control Accuracy

Temperature: ±0.1°C; Humidity: ±3% RH

4.6 Temperature Fluctuation

≤0.5°C (half of the difference between max and min measured at center point)

4.7 Temperature Deviation

≤±1°C (difference between controller average and measured center average)

4.8 H₂S Concentration

1–15 ppm (with probe, real-time display)

4.9 Total Power

6.5 kW

5. Structural Features

5.1 Insulation Structure

(1) Outer Material：High-quality A3 steel plate with powder coating

(2) Inner Material ：High-quality 316L stainless steel

(3) Insulation Material：Rigid polyurethane foam + fiberglass

5.2 Air Circulation System

(1) Circulation Method：Multi-blade centrifugal fan with reinforced shaft and stainless steel blades

(2) Airflow Design：FLOW THROW system: horizontal diffusion and vertical heat exchange circulation

(3) Air Outlet：Adjustable side air outlet and protected return air inlet

5.3 Door

Single hinged door (left hinge, right handle), with viewing window and lighting

5.4 Control Panel

Touch controller display, power switch, emergency stop, indicator lights, audible & visual alarm

5.5 Heater

(1) Type：Titanium alloy heater

(2) Control Method：SSR (solid-state relay), non-contact pulse width control

(3) Power：2.5 kW

5.6 Humidification System

This equipment uses a boiler-type humidification method, offering stable performance and strong long-term practicality. It replaces ultrasonic humidifiers, eliminating the need for frequent humidifier replacement. The humidification power is 1.5 kW. Once the set humidity value is reached, the operating power consumption is less than 150 W, making it energy-saving, safe, and reliable.

5.7 Concentration Control System

Corrosion-resistant automatic gas intake regulation

5.8 Post-Test Ventilation

After the test is completed, the concentration of hydrogen sulfide inside the chamber is relatively high. To ensure the safety of operators, the equipment will activate a ventilation system at the end of the test, which will automatically stop after a preset time has elapsed.

A connecting duct is installed at the top of the equipment, equipped with a 3-meter flexible hose, which is used to directly discharge the gas outdoors.

5.9 Gas Leakage Alarm (Optional)

Since hydrogen sulfide is toxic and poses a risk of poisoning, this equipment is designed with an alarm system. When the indoor hydrogen sulfide concentration exceeds the preset value, a visual and audible alarm will be triggered to alert operators of a gas leak and prompt them to open doors and windows for ventilation.

5.10 Filtration System

This equipment is equipped with a built-in filtration system, which is used to filter residual hydrogen sulfide gas in the chamber after the test is completed, ensuring that the exhaust gas discharged is non-toxic and harmless.

5.11 Controller

7-inch touchscreen controller with simple operation and precise control. It features real-time display of inlet airflow and concentration, and supports programmable operation with a maximum of 99 groups, each group capable of setting up to 120 steps, making it convenient and durable. The instrument has a built-in data export function, allowing real-time data export via the integrated USB interface. It is also equipped with an RS232 interface, enabling connection to a computer via software. The company provides the supporting software program.

5.12 Cable & Drain Ports

Located on the rear side of the chamber

6. Safety Protection

6.1 Test Chamber

(1) Adjustable over-temperature protection

(2) Air duct over-temperature protection

(3) Fan motor overheating protection

(4) Gas leakage alarm (optional)

(5) Indoor air filter (optional)

7. Other Configurations

7.1 Power Cable

AC 380V power supply: one five-core cable (three-phase four-wire + protective earth wire), approximately 4 meters in length.

7.2 Main Switch

NFB circuit breaker

8. Transportation   The test chamber is of an integrated design and is transported as a whole unit.

8.1 Size

Maximum transport dimensions (excluding packaging): “See 3.3 Overall Dimensions”

8.2 Weight

Maximum transport weight (excluding packaging): “See 3.4 Weight”

9. Operating Conditions   The user shall ensure that the following conditions are met.

9.1 Installation Site Requirements

(1) The ground must be level and well-ventilated.

(2) There should be no strong vibration around the equipment.

(3) There should be no strong electromagnetic field interference around the equipment.

(4) There should be no flammable, explosive, corrosive substances or dust around the equipment.

(5) Adequate space for operation and maintenance must be reserved around the equipment, as shown in the diagram below.

A：≥10cm   B：≥30cm   C：≥60cm   D: ≥30cm   E：≥40com

9.2 Environmental Conditions

(1) Temperature：5°C – 35°C

(2) Humidity：≤85% RH

(3) Pressure：86 kPa – 106 kPa

9.3 Power Requirements

AC 380V power supply requirements:

(1) Three-phase four-wire system + protective earth wire.

(2) Voltage range: AC (380 ± 38) V.

(3) Allowable frequency fluctuation range: (50 ± 0.5) Hz.

(4) Grounding resistance of the protective earth wire shall be less than 4 Ω.

(5) The user is required to install an air switch or power switch with appropriate capacity at the installation site. This switch must be used exclusively for this equipment and must be independent.

10. Accessories

One hydrogen sulfide corrosion test chamber, one 8 L cylinder of pure hydrogen sulfide, one pressure-reducing valve, and several connecting gas hoses.