PrimaX® IR
38
Approvals
GB
Special conditions for safe use:
•
For dust applications, any intensive electrostatic charging processes have to be prevented on the
instrument label.
•
Maintenance or repair for protection "d" equipment is only allowed by the manufacturer.
•
The gas monitor PrimaX IR is equipped with a tapered NPT ¾" thread or a metric M25 x 1,5 thread
for mounting to a connection enclosure of protection type increased safety "e" or protection type
flameproof enclosure "d".
•
When mounting the gas monitor to an enclosure of protection type flameproof enclosure "d" the
reference pressure of the separate enclosure for the connection must not exceed 10,5 bar. The
test of the mechanical strength of the separate enclosure for the connection and the test of the
connecting thread with respect to explosion hazards must be ensured within the framework of the
type test of the electrical apparatus, that is attached to the gas monitor PrimaX IR. The threaded
hole to which the gas monitor is attached to must meet the requirements of section 5.3
[Table 3/4] of EN 60079-1.
•
NPT ¾" fixture has to be sealed with 2 layer PTFE sealing tape or according to the instructions of
the manufacturer of the enclosure with NPT thread; when removed, new PTFE sealing has to be
used after reinstalling.
•
When mounting the gas monitor to protection "e" [increased safety] enclosures, the mechanical
resistance and the IP protection [IP6X] of the mounted enclosure has to be ensured by the type
test of the electrical apparatus being mounted to the gas monitor. After mounting of the gas
monitor onto a protection "e" enclosure, the clearances and creepage distances must meet the
requirements of 4.3 [Table 1] of EN 60079-7. The non-shielded cables of the gas monitor must be
routed and connected so as to be mechanically protected and corresponding to the temperature
resistance of the cables as per 4.2, 4.5.1 and 4.8 of EN 60079-7.
•
The PrimaX IR gas monitor must be screwed into the housing wall such that it is secured against
self-loosening. The specified minimum thread depth of the add-on housing has to be observed.
•
The connection of the PrimaX IR Gas Monitor to a control device with a measurement function for
explosion protection, is not part of the BVS 10 ATEX E 157X examination certificate.
•
The screw heads are filled with potting to prevent self-loosening and unauthorized entry. Do not
open enclosure. Opening the enclosure invalidates the type approval. The certification requires
that the screws have a minimum yield stress of 600 N/mm².
•
Due to limitations on the potting used for the wire bushing on the PrimaX IR Gas Monitor, the
service temperature within the separate enclosure (the enclosure to which the PrimaX IR is
mounted) must not exceed 120 °C.
•
The PrimaX IR Gas Monitor must be included with the earthing and equipotential bonding of the
complete system, including the enclosure to which it is connected.
•
For the measurement of n-Pentane, n-Hexane, Propylene, Ethane or i-Butane, the PrimaX IR shall
be calibrated with the target gas at a span value of approximately 50% LEL.
•
The HART-interface is included in this supplement to the EX-type examination certificate with
respect to the use for parametrization, commissioning, test and maintenance of the device.
