Mounting Options - Thermo Scientific 48i Instruction Manual

Internal Zero/Span
Assembly
Internal Oxygen
(O ) Sensor
2
Thermo Fisher Scientific
Chapter 9
Optional Equipment
The Model 48i is available with the following options:
"Internal Zero/Span
●
"Internal Oxygen (O2)
●
"Internal Zero Air
●
"Filter Wheel Purge" on page
●
"Teflon Particulate
●
"I/O Expansion Board
●
"Terminal Block and Cable
●
"Cables" on page 9-6
●
"Mounting Options" on page
●
With the internal zero/span assembly option, a source of span gas is
connected to the SPAN port and a source of zero air is connected to the
ZERO port. Zero and span gas should be supplied at atmospheric pressure.
It may be necessary to use an atmospheric dump bypass plumbing
arrangement to accomplish this.
For more information, refer to the "Installation" chapter and the
"Operation" chapter.
The Internal Oxygen (O
for O concentration measurement and CO correction. This option allows
2
the user to correct the CO readings for the amount of oxygen in the
sample. Selectable O concentrations can be used as the correction factor.
2
Figure 9–1 shows how this option is integrated with the Model 48i with
and without the zero/span option.
Assembly" on page 9-1
Sensor" on page 9-1
Scrubber" on page 9-4
9-4
Filter" on page 9-5
Assembly" on page
Kits" on page
9-7
) Sensor option provides a paramagnetic sensor
2
9-5
9-5
Model 48i Instruction Manual 9-1