
This programmable dual-door constant temperature and humidity test chamber is designed to simulate various environmental conditions for testing the resistance of materials and products to high temperature, humidity, dryness, and low temperature. It is widely used in industries such as paper, printing, electronics, electrical appliances, metal, and plastics.
Functions and Application Fields
The equipment provides stable and repeatable environmental simulations, enabling quality assurance, product design verification, and reliability testing. It is suitable for research laboratories, quality inspection centers, and manufacturing plants conducting environmental adaptability tests.
| Item | Specification | |||
|---|---|---|---|---|
| Internal Dimensions | 1600mm(W) × 800mm(H) × 700mm(D) | |||
| External Dimensions | Approx. 2025mm(W) × 1700mm(H) × 1170mm(D) (subject to actual build) | |||
| Temperature Range | -50℃ ~ +150℃ | |||
| Humidity Range | 20%RH ~ 98%RH | |||
| Temperature Fluctuation | ≤ ±0.5℃ | |||
| Temperature Deviation | ≤ ±2℃ | |||
| Humidity Deviation | ±2.5%RH (>75%RH), ±4%RH (≤75%RH) | |||
| Heating Time | RT → +150℃ within 50 min | |||
| Cooling Time | RT → -20℃ within 30 min | |||
| Power Supply | 380V AC, 50Hz | |||
| Safety Protection | Over-temperature, over-current, compressor overload, water shortage, circuit fuse protection | |||

Structure and System Configuration
- Chamber Material: Brushed stainless steel or galvanized steel with powder coating (exterior); SUS#304 stainless steel (interior).
- Insulation: High-density polyurethane foam for superior thermal performance.
- Cooling System: Hermetic compressor (France Tecumseh or equivalent), R23/R404A refrigerant, fin-type condenser, and slope-type evaporator.
- Heating System: Electric heater tube.
- Air Circulation: Multi-blade centrifugal fan, aluminum impeller, horizontal diffusion and vertical heat exchange circulation design.
- Humidity System: Independent humidification and dehumidification modules; stainless steel water tank; ADP coil contact type dehumidification.
- Controller: Touchscreen interface with LCD color display, programmable up to 120 groups × 1000 steps, multilingual (English/Chinese) interface.
- Communication: RS-232/USB interface for PC connection and multi-machine control.
Compliance Standards
Conforms to the following international and national testing standards:
- GB/T2423.1-2008
- GB/T2423.2-2008
- GB/T2423.3-2016
- GB/T2423.4-2008
- GB/T5170.2-2008
- GB/T5170-2008









Packaging & Shipping
• Internal Protection: Anti-collision foam padding and moisture-proof wrapping are applied to prevent mechanical damage and corrosion during transit. • Marking & Labeling: Each package is clearly labeled with model number, dimensions, weight, and handling instructions for easy identification. • Loading: All packages are reinforced and suitable for forklift handling and container loading. • Shipping Options: By sea, air, or express courier according to customer preference.

Product OverviewThis programmable dual-door constant temperature and humidity test chamber is designed to simulate various environmental conditions for testing the resistance of materials and products to high temperature, humidity, dryness, and low temperature. It is widely used in industries such ...