Table des Matières
Publicité
Les langues disponibles
Les langues disponibles
3. Technical data and intended use
Case, bezel ring:
Window:
Installation
Nominal position per EN 837-3 / 9.6.6 Figure 7: 90° ( ⊥ )
„
Process connection: lower mount (LM)
„
In order to ensure that, with both Models 53X.31 ... 34, pressure can be
„
safely and reliably vented through the case back, a distance of at least
25 mm must be left free behind the case!
In order to avoid any additional heating, the instruments must not be
„
exposed to direct solar irradiation while in operation!
With filled versions the ventilating valve (pressure ranges ≤ 10 bar) at the top
„
of the case must be opened prior to commissioning!
Permissible vibration load at the mounting point
The instruments should always be installed in locations free from vibration.
„
If necessary, it is possible to isolate the instrument from the mounting point
„
by installing a flexible connection line between the measuring point and the
pressure gauge and mounting the instrument on a suitable bracket.
If this is not possible, the following limit values must not be exceeded:
„
Dry gauges:
(Model 532)
Liquid-filled gauges:
(Model 533)
The liquid filling has to be checked on a regular basis.
The liquid level must not drop below 75 % of the gauge diameter.
WIKA Operating Instructions pressure gauges Model 5 per ATEX
Stainless steel
(Model 53X.3X: with blow-out back)
Laminated safety glass
Frequency range < 150 Hz
Acceleration < 0.7 g (7 m/s
Frequency range < 150 Hz
Acceleration < 4 g (40 m/s
2
)
2
)
GB
7
Publicité
Chapitres
Table des Matières
