EN
14392029.02 08/2020 EN/DE
Operating instructions magnetostrictive level transmitter, models FLM-xAI, BLM-TAI (Ex)
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The maximum ambient temperatures for use in gas hazardous areas, depending on the
surface ambient temperature and the dust layer, are indicated in temperature table 2.
Temperature table 2: Operating temperatures for dust hazardous areas
Maximum surface temperature
Ambient temperature T
a
Dust layer ≤ 5 mm
With dust cover
Models …LM …MI
I
i
≤ 200 mA: T
a
+ 55 °C
Observe EN 60079-14
-40 … +70 °C
I
i
≤ 100 mA: T
a
+ 40 °C
-40 … +85 °C
Models …LM …AI
T
a
+ 75 °C
Observe EN 60079-14
-40 … +85 °C
7. Faults
DANGER!
Danger to life from explosion
Through working in flammable atmospheres, there is a risk of explosion which
can cause death.
▶
Only rectify faults in non-flammable atmospheres!
CAUTION!
Physical injuries and damage to property and the environment
If faults cannot be eliminated by means of the listed measures, the instrument
must be taken out of operation immediately.
▶
Ensure that there is no longer any pressure present and protect against
being put into operation accidentally.
▶
Contact the manufacturer.
▶
If a return is needed, please follow the instructions given in chapter 9.2
“Return”.
For contact details see chapter 1 “General information” or the back page of the
operating instructions.
6. Safety-related characteristic values / 7. Faults
