XA00182F-F Liquiphant M, Liquiphant S FTL50(H)/51(H)/51C, FTL70/71
22 Endress+Hauser
Position 11 (Application)
Selected option Description
FTL7x L 230 °C, gas-tight feed through
N 280 °C, gas-tight feed through
Y 300 °C, special version
Optional specifications
No options specific to hazardous locations are available.
Safety instructions: General
• Staff must meet the following conditions for mounting, electrical installation, commissioning and
maintenance of the device:
– Be suitably qualified for their role and the tasks they perform
– Be trained in explosion protection
– Be familiar with national regulations
• Install the device according to the manufacturer's instructions and national regulations.
• Do not operate the device outside the specified electrical, thermal and mechanical parameters.
• Only use the device in media to which the wetted materials have sufficient durability.
• Refer to the temperature tables for the relationship between the permitted ambient temperature
for the sensor and/or transmitter, depending on the range of application and the temperature
class.
• Avoid electrostatic charging:
– Of plastic surfaces (e.g. housing, sensor element, special varnishing, attached additional
plates, ..)
– Of isolated capacities (e.g. isolated metallic plates)
• Modifications to the device can affect the explosion protection and must be carried out by staff
authorized to perform such work by Endress+Hauser.
Safety instructions:
Special conditions
Permitted ambient temperature range at the electronics housing:
→ 24, "Temperature tables".
• In the case of process connections made of polymeric material or with polymeric coatings, avoid
electrostatic charging of the plastic surfaces.
• In the event of additional or alternative special varnishing on the housing or other metal parts:
– Observe the danger of electrostatic charging and discharge.
– Do not rub surfaces with a dry cloth.
Basic specification, Position 8, 9 (Housing; Cable Entry) = x5, x6, x7
Avoid sparks caused by impact and friction.
Device type FTL51C, Basic specification, Position 5, 6 (Probe Length; Type) = xK, xL, xM
(isolating plastic coating)
Do not use as a category II 3 D device.
Gas group IIC
A probe coated with non-conductive material can be used if avoiding electrostatic charging
(e.g. through friction, cleaning, maintenance, strong medium flow).
Gas group IIB
A probe coated with non-conductive material can be used.
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