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AE applications require that the AE equipment be connected within hazardous
gaseous environments where there is risk of ignition or explosion. It
is important to have AE equipment that has been certified as Intrinsically
Safe (IS) for use in these environments. Physical Acoustics’s 1276
family of products have been certified to operate within the highest and
most hazardous gas groups, allowing them to be used in any hazardous environment
requiring IS certified equipment.
1276 Intrinsically Safe Product Series:
 PAC’s
1276 Series of Intrinsically Safe products include 9 certified sensors,
a preamplifier and an ASL, 4-20ma output subsystem, and an IS Barrier,
providing a complete AE monitoring solution for hazardous environments.
These products carry an ATEX certification “II (1) G D” and
a certification of EEx ia IIC-T4, meaning that the products are certified
to be used in locations where explosive gas/air and ignitable dust mixtures
are always present. These gases include Hydrogen and Acetylene, the most
easily ignited gases.
PAC’s 1276 family of products can be broken down into
two applications.
- AE Continuous Monitoring: The 1276-1 series when
used with an IS barrier and any one of 9 certified IS sensors provides
an ASL (Average Signal Level) 4-20 milliamp output for (3 wire) direct
connection to process control equipment, for detecting leaks in piping,
plant and valves, and monitoring process conditions through-out the plant.
The 1276-1 provides an ASL output throughout the standard Acoustic Emission
dynamic range of 0 – 100dB.
- AE Preamplifier/Sensor for use with traditional AE Equipment for inspection
and on-line monitoring: The 1276-2 is an IS preamplifier which is used
with an IS barrier and any one of 9 certified IS sensors which is connected
to standard AE Instruments (which are located outside the hazardous area
for conducting traditional periodic AE testing and evaluation of plant
equipment or for use in permanent on-line monitoring applications.
Please see the links below for more information
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