User's Manual

M400E Ozone Analyzer Operator’s Manual Optional Hardware and Software
ZERO AIR: ATTACH a gas line from the source of zero air (e.g. a Teledyne Instruments 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 M400E 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 12.3.4.
04315 Rev. C1 51