S01 12FPC320Q0072 Att2 Item Description_NBorEqual 12Sep20.pdf

Salient Characteristics

Brand Name or Equal

The NSSC – Kellogg Soil Survey Laboratory (KSSL) proposes to procure by Brand Name or Equal five Despatch LBB2-18 ovens. The ovens will be used in NRCS field offices to dry samples prior to milling and sample preparation for mid infra-red analysis. Before consideration of equal purchase, the following Engineering technical requirements need to be met.

1. Work chamber (W x D x H): 37 x 24 x 35”

2. 18.0 cubic foot capacity

3. Overall external dimensions (W x D x H): 43 x 32 x 51” (109 x 81 x 130 cm).

Overall dimensions include door hardware and other appurtenances.

4. Operating range: 40°C to 204°C

5. Temperature uniformity: +/- 3°C at 150°C +/- 4°C at 204°C.

6. Must use standard power utilities: 220 - 240 Volts, 1 phase, 50/60 Hertz, 16.7 amps at 240 Volts. 13.8 amps at 220 Volts.

7. Exhaust adjustable to 14 CFM (6.60 LPS) with 2.5” (6.4 cm) exhaust port.

8. Single set-point digital controller

9. Fan, heater, and controls located above oven chamber

10. Forced circulating airflow. Fan circulates air after it is heated to provide uniform heat distribution.