HACH LANGE astroTOC UV Manuel D'utilisation De Base page 19

2. Put the tubing in a container of deionized water.
Plumb the waste gas vent
Chemical exposure hazard. Inhaled gases from toxic waste can cause death. Plumb the waste gas line
to air outside the facility, so that toxic gas does not collect indoors.
Potential gas inhalation hazard. The waste gas port must be connected to outside air or a fume hood.
Attach a carrier gas
1. Attach an external source of compressed, CO
(Carrier port). Refer to
Do not use oxygen.
Note: As an alternative, a 300 SCF bottle of CO
typically supplies gas for 2 to 3 weeks.
2. Install a regulator on the carrier gas line to keep the carrier gas pressure 55 psi or less.
3. Set the carrier gas pressure according to the carrier gas requirements in
on page 3.
4. Turn the pressure regulator knob in the analyzer until the reading shown on the pressure gauge is
172 kPa (25 psi). Refer to
The pressure regulator knob is behind the sparger manifold.
Figure 10 Front view
1 Sparger manifold
2 Pressure gauge
3 Flow adjustment knob
User interface and navigation
User interface
Figure 11 shows the keypad and display.
D A N G E R
W A R N I N G
Figure 8 on page 17.
free air or nitrogen can be attached. A 300 SCF bottle
2
Figure 10.
Table 4
-free air or pure nitrogen to the carrier gas inlet
2
4 Flow meter
5 Pressure regulator knob
gives descriptions of the indicator lights.
Specifications
English 19