Teledyne API – Model T400 Photometric Ozone Analyzer Getting Started
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ZERO AIR
Attach a gas line from the source of zero air (e.g. a Teledyne API M701 zero air
Generator) to the ZERO AIR inlet.
Zero air can be supplied by the API M701 zero air generator.
A restrictor is required to regulate the gas flow at 2 x’s the gas flow of the analyzer.
VENTING
In order to prevent back diffusion and pressure effects, both the span gas and zero air
supply lines should be:
Vented outside the enclosure
Not less than 2 meters in length
Not greater than 10 meters in length
EXHAUST OUTLET
Attach an exhaust line to the EXHAUST OUTLET fitting. The exhaust line should be:
¼” PTEF tubing.
A maximum of 10 meters long.
Vented outside the T400 analyzer’s enclosure
CAUTION – GENERAL SAFETY HAZARD
Venting should be outside the shelter or immediate area surrounding the
instrument and conform to all safety requirements regarding exposure to O
3
.
Once the appropriate pneumatic connections have been made, check all pneumatic
fittings for leaks using the procedures defined in Section 11.3.4.
