Espec BTZ-4200 Compact Temperature Cycling Chamber

The Espec BTZ-4200 delivers a fast change rate of 15°C per minute or more in a compact design, with a 4 cubic foot interior. This chamber achieves its rates thanks to modern scroll compressers and does not require cooling water or liquid nitrogen. Based on the Criterion benchtop series, the BTZ-4200 is stainless steel inside and out and features a full thermal break around the doorframe and door.

This chamber includes the options of a viewing window, shelf, and/or controller.

Product Info Related Products

Exterior Dimensions (W x D x H)	31" x 45" x 67" 788 x 1055 x 1880 mm
Interior Dimensions (W x D x H)	19.6" x 15" x 23.6" 498 x 381 x 600 mm
Workspace Volume	4 cu. ft. 110 Liters
Temperature Low	-70°C
Temperature High	180°C
Temperature Range	-70°C – 180°C -94°F – 356°F
Power	208/230V 1ph 60Hz 54A max
Average Change Rate (50Hz power lower)	15°C/min -45°C – 155°C (Empty)
Heat-to-room Peak	35,000 BTU/Hr.
Maximum Sound Level (1 meter away)	76 dBA dBA
Temperature Fluctuation (at control sensor)	±0.5
Live Load Capacity	500W at -40°C
Air Flow	200 CFM
Refrigeration - Type	Cascade
Refrigeration System	Cascade 3hp Scroll

Stainless steel exterior and interior
Rounded interior corners for easy cleaning
Full thermal break around doorframe and door
Rotating door latch is easy and secure
Dual-layer insulation of fiberglass and expanded foam for thermal integrity
One 2" (50mm) diameter cable port on the left, with an impervious, flexible silicone plug
Easy lift-off service panels
Pressure relief port to allow air volume changes due to rapid temperature changes
Three levels of overheat protection
Watlow F4T Programmer/Controller

*Features vary by models. Contact an account manager for available options.