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Thermo Scientific
"Air Volume Control" (continued)
Although the scale is numbered linearly, the air volume increase is not linear. The
air volume increases are relatively small at the lower end of the scale and large
when adjusted at the upper end. The "one" setting on the scale provides the
minimum airflow, and a setting of "nine" will supply the maximum airflow.
Note The air blower operates at all times when the "Power" switch is "On".
Table 4-1. Performance Specifications
Model No. Temp Setting (°C) Damper Setting Uniformity (±°C) Sensitivity (±°C)
100
625S
200
325
Damper settings = 9- Fully open, 5-Mid Position, 1-Fully Closed
Explanation of Controls Section 4
9
0.25
5
0.375
1
1.000
9
0.5
5
0.625
1
2.000
9
1.125
5
2.5
1
3.0
Freas Safety Oven
s
0.02
0.015
0.21
0.06
0.05
0.5
0.07
0.1
0.65
4-3
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