Specifications; Ambient Operating Temperature; Installation - Siemens SITRANS LR 300 Quick Start Manual

Specifications

Ambient/Operating Temperature
internal enclosure temperature (P343)
ambient temperature
(surrounding enclosure volume)
WARNING: 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)
• General:
• Radio:
• Hazardous:
• Lloyds Register of Shipping, categories ENV1, ENV2, ENV3, ENV5
Installation
Notes:
• 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.
• Installation shall only be performed by qualified personnel and in accordance with local
governing regulations.
• This product is susceptible to electrostatic shock. Follow proper grounding procedures.
• Do not use a Ground Fault Interrupt (G.F.I.) with the SITRANS LR 300. The ground path is
used for filtering purposes in conjunction with the universal power supply.
• The use of Teflon tape or other appropriate sealant may be used to aid in sealing tapered
threaded connections for use in pressure applications.
Page EN-2 SITRANS LR 300 – QUICK START MANUAL
o
max. 81 C
flange temperature
process temperature
CSA , FM, CE, 3A Sanitary
US/C
Europe, Industry Canada, FCC
Europe;
U.S.;
Canada;
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
wrench (to open
enclosure)
7ML19985QA82