Specifications; Ambient/Operating Temperature - Siemens SITRANS LR 300 Kurzanleitung

SITRANS LR 300
The SITRANS LR 300 is to be used only in the manner outlined in this manual, otherwise
protection provided by the equipment may be impaired.
The SITRANS LR 300 is a versatile process level monitoring instrument using advanced pulse
radar techniques. The unit consists of an electronic component coupled to the antenna and
process connection.
The standard SITRANS LR 300 supports Modbus

Specifications

Ambient/Operating Temperature

Internal Enclosure Temperature (P343)
Ambient Temperature
(Surrounding Enclosure Volume)
Flange Temperature
Process Temperature
Internal temperature must not exceed 81
Power
• 24-230 V ac, +15%, 40-70Hz, 28 VA (11W) or
• 24-230 V dc, +15%, (9W)
Notes:
• This instrument features a universal power supply. Either ac or dc voltage may be
applied to the same terminals.
• The equipment must be protected by a 15 A fuse or circuit breaker in the building
installation.
• The circuit breaker or switch in the building installation, marked as the disconnect
switch, shall be in close proximity to the equipment and within easy reach of the
operator.
Approvals (verify against device nameplate)
The following are possible approvals:
• General:
• Radio:
• Hazardous:
1.
Modbus is a registered trademark of Groupe Schneider.
2.
HART is a registered trademark of the HART Communications Foundation.
Page EN-2 SITRANS LR 300 – QUICK START MANUAL
o
Max. 81 C.
CSA , FM, CE, 3A Sanitary
US/C
Europe, Industry Canada, FCC
Europe;
U.S.;
Canada;
1
and Dolphin protocol, with HART
o
C! Warranty may be void.
EEx de IIC T6
ATEX II 1/2G, EEx de IIT6 or EEx d IIC T6
Class I, Div. 1, Gr. A,B,C,D (Class I, Zone 1, IIC T6)
Class II, Div. 1, Gr. E,F,G
Class III
Class I, Div. 1, Gr. A,B,C,D (Class I, Zone 1, IIC T6)
Class II, Div. 1, Gr. E,F,G
Class III
2
or Profibus PA.
Wrench (to open
enclosure)
7ML19985QA81