Operating instructions
AFGUARD
®
Zone 0 and Zone 1
FAUDI Aviation GmbH, Scharnhorststraße 7 B, D-35260 Stadtallendorf
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Can the non-explosion proof AFGUARD
®
also be used in areas susceptible to
explosions (Ex zones)?
This is the operator’s decision. We, FAUDI
Aviation GmbH, will only recommend the use
of hazardous area approved equipment for
use in hazardous zones.
Which explosive areas (ex-zones) do I have,
and where are they?
The operator is responsible for allocating
zones, as well as for deciding which sensor
technology to be used (plant safety
regulations). We, FAUDI Aviation GmbH,
can only offer assistance in the decision
process.
Which documents do I need for obtaining
operation approval?
Who may install the AFGUARD
®
?
This is the operator’s decision (plant safety
regulations).
We recommend installation only by
authorized personnel with the proper
certification regarding explosion proof
installations.
How often does the AFGUARD
®
require
calibration?
Our recommendation is:
Once per year. The operator may, based on
experience with the sensor, shorten the
intervals.
Is FAUDI Aviation able to deliver electronic
accessories like intrinsically safe barriers,
hazardous area approved displays or data
loggers?
Yes – FAUDI Aviation developed electronic
bundles to make life and operation easier.
Delivery conditions and pricing for electronic
devices can be requested through your local
sales contact.
Do you have the possibility to address
alarms?
The AFGUARD
®
itself only gives out a linear
signal readout that represents the amount of
free water with regard to the calibration of
the sensor.
This readout signal could be used together
with additional electronic devices to address
alarms such as optical or acoustical signals,
or relays to stop the process.
Where do I need to place the intrinsically
safe barrier?
Intrinsically safe barriers should be installed
in safe areas. Please refer to the manuals
provided with each electronic device.
Is the AFGUARD able to see particulate
matter?
Yes – but the AFGUARD
®
is not calibrated to
give out correct values related to particulate
matter. It is more or less a volume-based
signal that should be multiplied with the
density of particulate matter to have an idea
of the mass.
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