The Cincinnati Sub-Zero ZPH16-3.5-SCT/AC is a 16 cubic foot environmental test chamber engineered for precision temperature and humidity simulation across demanding industrial, commercial, and military applications. This unit delivers rapid temperature transitions, stable control tolerances, and flexible refrigeration options to support accelerated stress screening, component validation, and material characterization.
## Technical Specifications
**Chamber Volume & Dimensions**
• Interior workspace: 16 cubic feet (450 L), 30″ × 30″ × 30″
• Exterior envelope: 41″ W × 57″ D × 77″ H (1040 mm × 1450 mm × 1960 mm)
**Temperature Control**
• Range: −45°C to +190°C (−49°F to +375°F) with Tundra refrigeration system
• Ramp rate: Up to 5.5°C/min
• Steady-state tolerance: ±0.5°C after stabilization
**Humidity Control**
• Range: 10% to 98% RH (optional extended low humidity: 5% to 98% RH)
• Steady-state tolerance: ±3% RH after stabilization
**Refrigeration & Thermal Power**
• Exclusive Tundra refrigeration system; −45°C (−49°F) minimum capability
• Cooling capacity: 3.5 kW
• Heating capacity: 3.5 kW
• Heat rejection: Approximately 9,000 watts (30,000 BTU/hr) maximum during cooling
• Live load capacity—Cascade: 1,500 W at −40°C, 1,100 W at −54°C; Single Stage: 1,700 W at −18°C, 760 W at −34°C
**Electrical Requirements**
• Voltage: 208/230 VAC (±5%)
• Frequency: 60 Hz
• Phase: 3Ph (three-phase)
• Amperage: 39 A (three-phase cascade configuration)
## Key Features
• EZT-570 microprocessor controller with full-color touch-screen display
• Data logging: Up to 400 points; 9 custom programs with 250 segments each
• Communications: TCP/IP and serial; optional IEEE-488 GPIB; FTP/FileWeb/DataWeb for LAN/WAN backup
• Multi-language support (28 selectable languages)
• Security: Up to 30 users, four security levels, audit trail tracking
• Power failure recovery options and configurable alarms
• Mobility: Casters and leveling legs for laboratory placement
## Typical Applications
• Component and subassembly stress screening
• Product validation across thermal extremes
• Material characterization under controlled conditions
• Military and commercial standard compliance testing
## Compatibility & Integration
The EZT-570 controller supports import/export of configuration settings and accommodates both single-phase and three-phase electrical infrastructure.
