Siemens SITRANS LR 300 Instruction Manual page 135

If the equipment is likely to come into contact with aggressive substances, then it is the
responsibility of the user to take suitable precautions that prevent it from being adversely
affected, thus ensuring that the type of protection is not compromised.
Aggressive substances:
Suitable precautions:
11. Equipment Marking
The equipment marking contains at least the following information:
SITRANS LR 300
SERIAL #
INPUT: 24 – 230 V
40 – 70 Hz, 28 VA, 11 W
OR 24 – 230 V
AMB.TEMP .: – 40°CTO 60°C
OUTPUT: 4 – 20 mA, RS485
ENCLOSURE:TYPE / NEMA 4X, 6 / IP67
DO NOT OPEN WHEN AN EXPLOSIVE
GAS ATMOSPHERE IS PRESENT
DO NOT OPEN WHEN ENERGIZED
TEMPERATURE OF WIRE WILL EXCEED
70°C – SELECT APPROPRIATE CABLE
SIEMENS MILLTRONICS PROCESS INSTRUMENTS INC. PETERBOROUGH
7ML19985CL02
e.g. acidic liquids or gases that may attack metals, or
solvents that may affect polymeric materials.
e.g. regular checks as part of routine inspections or
establishing from the material's data sheet that it is
resistant to specific chemicals.
2002 /12345678
±15% ,
, ±15%, 9 W
MADE IN CANADA
SITRANS LR 300 – INSTRUCTION MANUAL
II 2/1 G II 2/1 G
EEx de IICT6
SIRA 01ATEX1282
0891, 0518
CANADA: 267104134A
Page 133