54 LST300 | COMPACT ULTRASONIC LEVEL TRANSMITTER | LST300–EN REV. E
Entity parameters for L2 display
Temperature
class – Gas
Temperature
class – Dust
Ambient temperature
limitation
Entity parameters for L7 display
Temperature
class – Gas
Temperature
class – Dust
Ambient temperature
limitation
Entity parameters for L0 display
Temperature
class – Gas
Temperature
class – Dust
Ambient temperature
limitation
The devices must be installed in a protected environment in
accordance with the specific conditions on the test certificate.
Pollution degree 3 (refer to IEC 60664-1) must not be exceeded
for the macro environment of the device. The device conforms
to degree of protection IP66 / IP67. If the device is installed as
intended, this requirement is met by the housing as standard.
When connected to the line supply, the electrical circuits must
not exceed overvoltage category III. When not connected to the
line supply, the electrical circuits must not exceed overvoltage
category II.
Meter design for NEPSI intrinsic safety,
ATEX/IECEx intrinsic safety (Zone 0 /20),
and cFMus division 1, Zone 0/20
Meter design for NEPSI intrinsic safety, Ex protection code is
C6.
protection code is E6.
is F4.
IMPORTANT (NOTE)
For applications in US and Canada, when the temperature
under rated conditions is higher than 60 °C at the entry point or
60 °C at the branching point of conductors, accessories such as
cable, gland or conductors in conduit with minimum
temperature specification of 60 °C must be selected.
IMPORTANT (NOTE)
The devices may only be operated in explosive areas if the
housing covers have been fully closed.
WARNING
Static hazard clean only with a damp cloth.
Avertissement – Danger statique Nettoyez uniquement avec
un chiffon humide.
IMPORTANT (NOTE)
“C6” digit means that customers choose NEPSI Intrinsically
Safe method of protection on the product.
Dedicated check box is to be marked by the manufacturer.
IMPORTANT (NOTE)
“E6” digit means that customers choose ATEX or IECEx
Intrinsically Safe method of protection on the product.
Dedicated check box is to be marked by the manufacturer.
IMPORTANT (NOTE)
“F4” digit means that customers choose FM US or FM C
Intrinsically Safe method of protection on the product.
Dedicated check box is to be marked by the manufacturer.
NEPSI approval design for China
Ex ia IIC T6...T4 Ga Ex iaD 20 T85° C
For electrical parameters, refer to cert, GYJXXXXXXX
EC type-examination certificate FM15ATEX0063X
Designation:
II 1 G Ex ia IIC T6...T4 Ga - II 1 D Ex ia IIIC T85° C
For electrical parameters, refer to cert, FM15ATEX0063X
Certificate of conformity IECEx FME 15. 0010X
Designation:
Ex ia IIC T6...T4 Ga - Ex ia IIIC T85° C
For electrical parameters, refer to cert, IECEx FME 15.0010X
FM approval design for the USA and Canada
IS/Sec. Intrinseque (Entity) CL I
ZONE 0 AEx/Ex ia IIC T6...T4
CL I/DIV 1/GP ABCD IS - CL II,III DIV 1/GP EFG
IS Control Drawing number: 3KXL065035U0009
Supply power terminals
Refer to the tables below
Operation temperature ranges
• Ambient operating temperature between -40 °C and 85 °C
(-40 °F and 185 °F)
• Dependance on the temperature class as detailed in the
tables below
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