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WARNINGS
1. Each instrument described in this manual must be
installed, operated and maintained in strict accordance
with its labels, cautions, warnings, instructions, and within
the limitations stated.
2. These monitors must not be installed in areas or locations
where explosive concentrations of combustible gases or
vapors might occur in the atmosphere: Class 1, Group A,
B, C, and D areas as defined by the NEC. Since the
monitors are not explosion-proof, they must be located in
non-hazardous areas.
3. The Toxgard II monitor is designed to detect toxic gases or
vapors in the air. It cannot measure the concentration of
toxic gases or vapors in steam or inert or oxygen-deficient
atmospheres. Neither will it indicate the presence of
explosive or combustible mists or sprays, lubrication oils,
nor explosive dusts, such as grain or coal dust.
4. As with all gas detection instruments of this type, high
levels of or long exposure to certain compounds - all of
which are not known, will contaminate the sensor.
Calibrate the monitor frequently to ensure that system
operation is dependable and its indications accurate.
5. The Toxgard II monitor must not be painted. Also, painting
should not be done near the sample line inlet. If painting is
being done in an area where the sample line inlet is
located, care must be exercised to make sure that paint is
not deposited on the sample inlet fitting of the monitor.
Such paint deposits would interfere with the sampling
process, whereby a sample of the atmosphere being
monitored is drawn into the Toxgard II unit.
6. The only absolute method to ensure proper overall
operation of a gas detection instrument is to check it with
a known concentration of the gas for which it has been
calibrated. Consequently, a calibration check should be
included as part of the routine inspection of the system.