Duke University Plant Teaching and Research Facility

Inside an L Chamber

L Chamber Specifications

"L" chambers have the largest area of all chambers in the Phytotron, holding up to 24 of our approximately 3 ft2 (0.27 m2) carts. Refer to the table below for specific information on the size and capabilities of these chambers.

Chamber dimensions

2.4 m wide x 3.7 m deep x 2.1 m tall

Temperature range

Lighted: 12° - 35° C

Dark: 2° - 30° C

Humidity range

ambient - 90% (additive humidity control only)

CO2 range

350 - 1000 ppm

Maximum light intensity

550 micromols m-2 s-1 PAR

Lamp mixture

fluorescent + incandescent

Number of light levels

1 (all lamps on) plus incandescent lamps only

Controllers

Time clocks

Number of chambers

8

Seed storage chamber L9 12° C -10% relative humidity
Cold storage room 4° C - ambient relative humidity