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System Description
NO2-to-NO Converter
NO
-to-NO
The NO
-to-NO converter heats stainless steel to approximately 625 °C in
2
2
order to convert and detect NO
. The converter consists of an insulated
Converter
2
housing, heater, replaceable cartridge, and a type K thermocouple sensor.
Common
The common electronics contain the core computational and power
routing hardware for the 42iQHL, and is replicated throughout other iQ
Electronics
series products
(Figure
8–1). It also contains front panel display, the USB
ports, the Ethernet port, and the optional I/O interfaces (RS-485, analog,
and digital).
Figure 8–2
shows the PCBA interconnect structure for the 42iQHL,
including options. The modular design of the instrument is conveyed in
the architecture. Brief descriptions of the specific PCBAs follow.
Thermo Scientific
42iQHL Instruction Manual
8-3
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