Thermo Scientific 3907 Operating Manual page 23

Thermo Scientific
The CO source must be regulated at a pressure level of 15, ±5 psig.Higher pressure
2
levels may damage the CO
economical pressure level, between 10 psig and 20 psig appropriate for the desired CO
percentage in the chamber. Use only sufficient pressure to maintain recovery time after
door openings.
H O inlet
2
Inlet Connections
Figure 5-3
To connect the CO supply (Figure 5-3):
2
1. Connect the CO tubing to the ¼" hose fitting installed in the CO
2
2. Check the tubing connection for leaks.
Do not leave unit door open when using CO
Raised levels of CO can lead to asphyxiation, only use in well ventilated rooms.
2
If CO inlet pressure level is higher than 15 +-5psig, liquid CO
2
unit and damage the CO
control system. The user should determine the most
2
CO inlet
2
.
2
control system, valves, tubing and filters.
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Product Description |
Chapter 5
inlet.
2
might enter the
2
Model 3907 & 3948 | 5-3
2