12m³ Walk-In Environmental Chamber with -60°C to 120°C Temperature Range and 30-98% Humidity Control
- IEC60068-2-1:2007 Environmental Testing - Test A: Cold
- IEC60068-2-2:2007 Environmental Testing - Test B: Dry Heat
- IEC60068-2-30:2005 Environmental Testing - Test Db: Damp Heat, Cyclic (12h+12h cycle)
- IEC60068-2-78:2012 Environmental Testing - Test Cab: Damp Heat, Steady State
Used for high and low temperature and damp heat testing on electrical components, electronics, machinery, and large parts including semi-finished and finished products. Performs process quality and reliability testing under simulated temperature and humidity conditions.
Utilizes heating, humidification and refrigeration systems to control and modify chamber ambient conditions, simulating required temperature/humidity environments and alternating test procedures.
Closed chamber design for optimal environmental control and stability.
| Parameter | Specification |
|---|---|
| Control & Operation | PLC and touch screen intelligent control system |
| Chamber Size | 12m³: 3×2×2m (W×D×H) - Customizable dimensions available |
| Temperature Range | Maximum: 80°C, 120°C | Minimum: -60°C, -40°C, -20°C, 0°C |
| Temperature Deviation | ≤±2.0°C |
| Temperature Fluctuation | ±0.5°C |
| Temperature Uniformity | ±2°C |
| Humidity Range | 30% to 98% RH |
| Humidity Deviation | ±5.0% RH |
| Heating Rate | ≤2.5°C/min (nonlinear, no load) |
| Cooling Rate | Average 1.0°C/min |
- Inner chamber: SUS304 stainless steel plate, rounded shape, smooth surface for easy cleaning
- Outer chamber: A3 cold-rolled steel plate with electrostatic double-sided spray or SUS304 stainless steel
- Insulation: High-density polyurethane foam
- Observation window: Double-layer explosion-proof tempered glass door
- Lead holes: Both inner and outer chambers equipped with threading holes and rubber stoppers
- Heating method: Electric heating with high-quality nickel-chromium wire
- Control: Solid state relay (SSR) contactless control
External humidification structure for precise moisture control.
- Compressor: German Bock or BITZER semi-compact models
- Refrigerant: Environmentally friendly R404A and R23, compliant with regulations
- Condenser: Shell and tube water-cooled design
- Evaporator: High-performance fin type with automatic load capacity adjustment
- Anti-frosting: Capable of long-term operation in low temperature and high humidity conditions
- Interface: Weinview programmable temperature and humidity controller with 7-inch 16-bit true color touch screen
- Temperature control: PID self-tuning with Class A PT100 platinum resistance sensor
- Operating modes: Fixed value testing and program testing
- Program capacity: Up to 100 program groups with user-defined sequencing
- Temperature and humidity curve interface
- Standard RS232 interface or USB communication interface
- Data download capability with comprehensive recording of changes and processes
- Power-off memory function
- Phase sequence protection
- Leakage protection
- Over-temperature protection
- Compressor overload protection
- Water shortage alarm
- Abnormal condition protection
- Heater air-burning protection switch
- Heater over current circuit breaker
- Circulating fan over current overload protection
- Compressor high voltage protection switch
- Compressor overheating protection switch
- Compressor over current protection switch
- Under-reverse phase circuit breaker
- No-fuse switch
- Zero-crossing gate fluid power controller
When protection triggers occur, equipment automatically stops operation, activates audible and visual alarms, and displays fault location on the control panel.
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