Specifications.pdf

Environmentally Controlled Plant Growth Chambers

The government is requesting bids on the furnishing, delivery and installation of two new environmentally controlled plant growth chambers as specified herein:

Control System:

1. Must be a reliable, flexible, user friendly, and industrial grade control system that is designed specifically for plant growth chambers.

2. Programming must be capable of storing at least to 10 real-time user-entered programs each containing at least to 30 lines. Each program should be able to define a single 24-hour period.

3. Data logging and graphing must be accessible at site and remotely.

Construction:

4. Exterior dimensions must not exceed: 110"W x 40"D x 80"H

5. Growth area must not be less then: 16.ft².

6. Growth capacity must be a minimum: 75ft³.

7. Growth height must be a minimum: 57” from floor to lights

8. Interior finish would preferably be reflective for light dispersal.

9. Must have at least two reach-in doors which fasten closed.

10. Must have at least two instrument ports with caps.

Lighting:

11. Intensity: must reach at least 875 micromoles/m²/s

12. Must at least a have 4 level programming of each light type.

13. Lamps must contain a balanced spectrum for plant growth using T8 fluorescent and halogen incandescent lamps.

14. Must have a quantum light meter for display and recording of light output.

Temperature Control:

15. Must be able to range: +10°C to +45°C with the lights ON.

Air Flow:

16. Must contain filtered air inlet and adjustable exhaust.

17. Must be able to humidify air. Dehumidification is optional.