NOTICE
Direct sunlight
Damage to device.
The device can overheat or materials become brittle due to UV exposure.
• Protect the device from direct sunlight.
• Make sure that the maximum permissible ambient temperature is not exceeded. Refer to
the information in Technical data (Page87).
NOTICE
Strong vibrations
Damage to device.
• In installations with strong vibrations, mount the device in a low vibration environment.
3.1.2.1 Hazardous zones/danger through ammable and potentially explosive sample gas
- wall unit
Place of installation / zone Sample gas non-ammable below the
lower explosive limit LEL (25% of LEL)
Sample gas is ammable and/or is oc‐
casionally above the LEL (25% of LEL)
ATEX II 1G (Zone 0)
Device protection level
Not permissible
(EPL) Ga – not approved
Not permissible
(EPL) Ga – not approved
ATEX II 2G (Zone 1)
Analyzer/type of protection
Ex analyzer Ex p
Overpressure encapsulation type of pro‐
tection, "Continuous purging" operation
mode
(Certicate BVS 14 ATEX E 153 X and IE‐
CEx BVS 14.0104X)
Ex analyzer Ex p
Overpressure encapsulation type of pro‐
tection, "Continuous purging" operation
mode
(Certicate BVS 14 ATEX E 153 X and IE‐
CEx BVS 14.0104X)
Flame arrestor Not required For OXYMAT 7: Flame arrestor in sample
gas and reference gas paths:
Monitoring Approved px or py
1)
monitoring system
For OXYMAT 7 HT: Approved px monitor‐
ing system
(option E72)
Approved px or py
1)
monitoring system;
px recommended: Option E72
For OXYMAT 7 high-temperature ver‐
sion: Approved px monitoring system
Device protection level (EPL) Gb (EPL) Gb
Installing/mounting
3.1Basic safety notes
SIPROCESS GA700 rack and wall mounted devices
Compact Operating Instructions, 06/2023, A5E35134047-AB 27
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