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Model 400E Ozone Analyzer
Instruction Manual
5.8. Metal Wool Scrubber (Option 64)
This option replaces the standard scrubber with a heated Metal Wool Scrubber that
works similarly to the catalytic converters found on many automobile's exhaust
systems and improves the analyzer's performance in certain higher humidity
applications.
5.9. IZS Desiccant (Option 55)
The M400E can be fitted with a desiccant dryer to provide a dry air source to the
IZS sub-system. This option consists of a rear panel mounted scrubber cartridge
filled with anhydrous Calcium Sulfate (CaSO4) desiccant. The desiccant material is
expendable and must be replaced at regular intervals. The material exhibits a color
change when it has been saturated with water vapor, turning from blue to pink. The
scrubber cartridge should be refilled before the entire scrubber turns pink.
Replacement interval will depend on how often the IZS is used, as well as ambient
levels of humidity in your application. Initially the desiccant should be frequently
monitored until a standard replacement interval can be established.
5.10. Ethernet Option
The Ethernet option allows the analyzer to be connected to any 10BaseT local area
network. When installed, this option is electronically connected to the instrument's
COM2 serial port making that port no longer available for RS-232/RS-485
communications through the COM2 connector on the rear panel. The option consists
of a T-API designed Ethernet card (Figure 5-4), which is mechanically attached to
the instrument's rear panel. A 2 m long, CAT-5 network cable terminated at both
ends with standard RJ-45 connectors is included as well (part number WR0000067).
Maximum communication speed is limited by the RS-232 port to 115.2 kbaud. See
Section 6.9.8 for configuration.
P/N 04316 Rev: B
Optional Hardware and Software
53
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