P29 Instruction Manual
7
“Spontaneous ignition of dust”
The unit must not be mounted in a dust Ex zone
(zone 20, 21 or 22). If heavy dust deposits are to be expected on the unit, please ensure
regular cleaning with a damp cloth.
“Lightning”
Do not mount the unit and its supply lines outdoors. Ensure sufficient
overvoltage protection of the supply voltage.
Although the P29 pressure transducer is highly robust, it is nevertheless a precision instrument
and should be handled with care. Avoid mounting the P29 in the direct vicinity of any sources
of heat or radiation. Ideally, the instrument should be mounted vertically on a wall not subject
to vibration.
The instrument may only be operated by appropriately trained individuals who have been
authorized by the operator of the facility.
Do not carry out a function test with compressed or breathable air. This would damage
instruments with low measuring ranges.
Measurement errors may occur if the instrument is not kept protected from sunlight.
Specific safety precautions are given in individual sections of this manual.
2.5 Troubleshooting, maintenance, service, repairs, disposal
The individuals responsible for the electrical connections must be notified immediately if the
instrument is damaged or if errors occur that cannot be corrected as indicated in Section 10
This individual must take the instrument out of service until the error has been corrected and
ensure that it cannot be used unintentionally. In systems operating with flammable gases, the
instrument must be separated from the gas supply lines.
Always switch off the power to the instrument before opening!
This instrument requires no maintenance. Only the manufacturer may perform repairs that
require the housing to be opened.
The electronic components of the instrument contain environmentally hazardous materials and
materials that can be reused. The instrument must therefore be sent to a recycling plant when
you no longer wish to use it. The environment codes of your particular country must be
complied with.