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P/N 02395D1 Teledyne API Model 450 O
3
Monitor Instruction Manual - Page 24
constructed of PTFE or other inert material to avoid degradation of the ozone
concentration. Contact Teledyne API’s sales department for additional information on
particulate filters.
Care must be taken in the design of the sampling system to ensure that water vapor does
not condense in the sampling lines or in the instrument itself. The sample lines should be
routed to avoid large temperature gradients along the lines. If sample is brought in from
a hot, humid area into a much cooler area, then low power heating tape should be
wrapped around the lines to keep the temperature of the sample lines up and avoid
condensation. The lines should also not have loops or low points where water could
collect.
For applications that require sampling of very humid gas, a Sample Conditioner may be
required to lower sample gas humidity. Please contact the Teledyne API Sales
Department for additional information.
1.7.7 Exhaust connections
A single 1/4" O.D. tube should be connected from the Monitor sample exhaust to an area
outside of the room the monitor occupies. The maximum length of the exhaust line
should not exceed 30 feet.