Duke University Plant Teaching and Research Facility

T Chamber Specifications

"T" chambers are large walk-in chambers with high light, humidity control, and extra growth height. By installing a removable wall, each of these chambers can be divided into two independent sub-chambers, so they can be sized based on the user's needs. Refer to the table below for specific information on the size and capabilities of these chambers.

Chamber dimensions

Full chamber: 3.1 m wide x 2.8 m deep x 3.6 m tall

Sub-chamber: 1.5 m wide x 2.8 m deep x 3.6 m tall

Temperature range

Lighted: 4° - 45° C

Dark: 10° - 40° C

Humidity range

40% - 90%

CO2 range

350 - 1000 ppm

Maximum light intensity

1200 micromols m-2 s-1 PAR

Lamp mixture

metal halide + tungsten halogen (80% : 20% by wattage)

Number of light levels

4 metal halide (1/4, 1/2, 3/4, or all lamps on) plus halogen lamps only

Controllers

Microprocessor-based controllers

Number of chambers

Full chambers: 4

Sub-chambers: 8


T Chamber