The Cincinnati Sub-Zero ZPHS-32-3.5 SCT/AC is a Z-Plus series environmental test chamber engineered for temperature and humidity simulation across demanding industrial, aerospace, and electronics validation programs. With 32 cubic feet of workspace, it delivers precise control over thermal cycling and moisture exposure—essential for accelerated life testing, reliability qualification, and standards compliance. The air-cooled configuration integrates a Tundra® cooling system for energy efficiency without compromising temperature ramp performance.
## Technical Specifications
• **Model:** ZPHS-32-3.5 SCT/AC (Z-Plus Series)
• **Workspace Volume:** 32 cubic feet
• **Temperature Range:** −73°C to 190°C (−99°F to 374°F)
• **Temperature Ramp Rates:** 7°C/min cooling (24°C to −34°C); 8°C/min heating (24°C to +93°C) at 230 V, 60 Hz, 24°C ambient
• **Humidity Range:** 10% to 98% RH (optional feature)
• **Refrigeration System:** Air-cooled (AC) with Tundra® cooling technology
• **Controller:** EZT-570i with 7″ or 10″ touchscreen interface
• **Communications:** EIA-232, EIA-485, Ethernet, TCP/IP; optional IEEE-488 GPIB
• **Access Ports:** Two 4″ fully welded ports (left and right sides) for cable routing
## Key Features
• Programmable logic controller with logger and recorder functions
• Adapt-a-tune technology for optimized performance and control stability
• Product control feature accelerates DUT temperature cycling
• Product high/low limit protection safeguards test articles
• Fast-response humidity system with electronic solid-state sensor for tight moisture control
• High-volume airflow system reduces temperature gradients and improves cycling rates
• Configurable multi-level security (up to 30 users, three security levels)
• Primary over-temperature limit and safety over-temperature protection
• Selectable power failure/recovery modes
## Typical Applications
• Thermal cycling and thermal shock validation
• Humidity resistance and moisture corrosion testing
• Commercial and military environmental standards compliance (MIL-STD, IEC, etc.)
• Accelerated life testing of electronics, components, and assemblies
• Durability assessment across extreme temperature and humidity profiles
## Compatibility & Integration
Serial and Ethernet connectivity enable remote monitoring and automated test sequences. Full system security and alarm configuration support multi-user laboratory environments and traceability requirements for regulated industries.


















