
Teledyne API – T101 Operation Manual Getting Started
45
3.4.1.1. Connections with Internal Valve Options Installed
This section covers pneumatic connections for the optional valves, Z/S and IZS.
External Zero
Air Scrubber
Filter
MODEL 701
Zero Air
Generator
Source of
SAMPLE Gas
VENT if input is pressurized
Zero
S
an Valves – O
tion 50
MODEL T700
Gas Dilution Calibrator
VENT
Chassis
Sam
l
Zero Ai
Exhaust
Span
Source of
SAMPLE Gas
VENT if input is pressurized
Internal Zero/Span Option (IZS) – Option 51
Chassis
Sam
le
Zero Air
Exhaust
S
an
Calibrated
SO
2
or H
2
S
gas
(At high
con cen trati on)
Ambient
Air
Figure 3-14. Basic Pneumatic Connections for Units with Valve Options
CAUTION
Gas flow must be maintained at all times for units with IZS Options installed. The IZS option includes a
permeation tube which emits H
2
S. Insufficient gas flow can build up H
2
S to levels that will damage the
instrument.
Remove the permeation device when taking the analyzer out of operation.
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