Puffer Hubbard -30°C freezers provide dependable storage for commonly used laboratory materials. All models listed feature the CryoLogic™ controller with automatic defrost and are designed to meet UL and CUL standards for safety and performance. Refrigeration systems have been designed to withstand the demands of the laboratory environment.

Standard Features:

Cabinet Capacity: 5.4 cu.ft. to 51.1 cu.ft.

Operating Temperature: Pre-set -30°C setpoint.

CryoLogic™ Control System: Key-operated power switch for security; includes digital display, graphic thermometer, automatic defrost system, alarm/monitor for overtemp, door ajar, power failure, low alarm battery and maintenance alert.

Inventory System: Zinc-plated wire shelves, adjustable in 1" increments.

Refrigeration System: Compressors are quiet, hermetically sealed. Positive forced-air circulation for temperature uniformity and recovery following door openings.

Defrost: Automatic, upon demand, no defrost timer required. A built-in condensate evaporator eliminates need for a drain line.

Cabinet Construction: High-density CFC-free urethane foam insulation protects against high ambient temperatures.

Door(s): 23.3 cu.ft. and larger models feature solid door, self-closing with spring-loaded closure. All models include keyed lock for security.

Finish: Interior and exterior surfaces are finished with a high impact, powder paint. (Undercounter models are 100% stainless steel interior and exterior).

Optional Accessories: Temperature recorder, free-standing voltage safeguard, casters and validation testing.

Specifications: