Sample Connections - Teledyne 356WA Instruction Manual

3 Installation 3 Installation
3 Installation 3 Installation 3 Installation
Recorder
115 VAC Power and Ground
2 Power Leads
1 Ground Wire
(16 ga. Insulated)
The connections include a terminal for grounding the analyzer case and
chassis in accordance with accepted industrial practices. The maximum
power requirement is less than 1½ amperes at 115 VAC

3.3 Sample Connections

3.3 Sample Connections
3.3 Sample Connections 3.3 Sample Connections 3.3 Sample Connections
The sample line is connected at the back of the analyzer case as de-
picted in Figure 2-3. Use care in assembling any part of the sampling system
to avoid leaks. Oxygen can diffuse into the system through small leaks even
when sample pressure is much greater than atmospheric pressure. A
female NPT fitting is installed on the back of the instrument for making
sample and vent line connections. Thepurge line is fitted with a
fitting.
1. Connectors Connectors Connectors Connectors Connectors. Use straight tube connectors where possible.
This facilitates removal of the analyzer section from the case
during maintenance or service.
Lines Lines
2. Lines Lines Lines. Lines should consist of metallic tubing, since oxygen can
diffuse through plastic. Use continuous tubing where possible.
Vent Vent
3. Vent Vent Vent. The analyzed sample is vented through the back of the
unit as shown in Figure 2-3.
3-2
Percent Oxygen
Signal Leads
Analyzer
(22 ga. Twisted
Pair Shielded
Cable)
Vent
Figure 2-1 Typical System Layout
1½ amperes at 115 VAC. 1½ amperes at 115 VAC 1½ amperes at 115 VAC 1½ amperes at 115 VAC
Teledyne Analytical Instruments
Sample Line
(1/4" or 1/8" Metal Tubing)
Sample
Pressure
In
Regulator
(5-10 psig Output)
1/4"
Vent
Tubing
Condensate Trap
1
Model 356WA A A A A Model 356W Model 356W
Model 356W Model 356W
Shut Off
Valve
1
/ "
8
/ " tube
4
Sample
Line