The Cincinnati Sub-Zero Z32 / ZS-32-(2)-3.5-SC/WC is a 32-cubic-foot environmental test chamber designed for precise temperature and humidity control across demanding stress-test applications. It delivers cascade or single-stage refrigeration with pulldown times as fast as 20 minutes to -40°F and heatup to +375°F in 55 minutes, supporting product reliability validation across aerospace, electronics, materials science, and automotive sectors. The chamber maintains humidity from 10% to 95% RH and integrates with multiple controller platforms for flexible automation and data logging.
## Technical Specifications
• **Workspace Volume:** 32 cubic feet
• **Temperature Range (Cascade System):** -100°F to +375°F (-73°C to +190°C)
• **Temperature Range (Single Stage System):** -30°F to +375°F (-34°C to +190°C)
• **Humidity Range:** 10% to 95% RH (limited by +185°F dry bulb maximum and +40°F minimum dewpoint)
• **Cooling Capacity:** Approximately 9,000 watts (30,000 BTU/hr) maximum
• **Pulldown to -40°F:** 20 minutes (cascade system)
• **Pulldown to -65°F:** 30 minutes (cascade system)
• **Pulldown to -90°F:** 45 minutes (cascade system)
• **Pulldown to -30°F:** 30 minutes (single-stage system)
• **Heatup to +375°F:** 55 minutes
• **Approximate Weight:** 1500 lbs (baseline configuration; varies with options)
## Key Features
• Cascade and single-stage refrigeration configurations
• Optional Tundra® Refrigeration System for reduced maintenance and energy consumption
• Multiple controller compatibility: Watlow F4, EZT-570/570L/560i/570i/430i/430S/550, Future Design L91, Watlow 96, Dimension II, and Chromalox 2030
• Optional EZ-View software for remote monitoring, datalogging, and profile automation
• Optional internal viewing window
• Water-cooled condenser option for elevated ambient environments
## Typical Applications
Temperature and humidity cycling for component qualification, environmental stress screening, accelerated life testing, and cross-platform performance validation in controlled laboratory environments.
## Compatibility & Integration
**Electrical:** 208/230 Volt, 60 Hz single-phase (51 A full load) or three-phase (39 A full load). Amperage may increase on humidity-equipped models. FNQ-R fuses are typical. Calibration services available.
















