Ambient/Operating Temperature - Siemens Sitrans LR250 Guia De Inicio Rapido

Specifications
For a complete listing, see the SITRANS LR250 (HART) Instruction Manual. For Approvals
information, please refer to the device nameplate and the process device tag.

Ambient/Operating Temperature

Notes:
• Process temperature and pressure capabilities are dependent upon information on the
process device tag. The reference drawing listed on the tag can be downloaded from the
Siemens website at: www.siemens.com/LR250.
Maximum Process Temperature Chart
• See
ambient temperature
(surrounding enclosure)
–40 °C to 80 °C (–40 °F to 176 °F)
process temperature (at process
connection, with FKM O-ring)
o
–40 C to +150
Power
Nominal 24 V DC with max. 550 Ohm loop resistance. (Check the device
nameplate for the characteristics of the device, and confirm the loop load.)
• Maximum 30 V DC
Approvals
• General
• Radio
• Hazardous
Use appropriate conduit seals to maintain IP or NEMA rating.
Note:
1.
FM/CSA Intrinsically Safe connection drawing (23650653) (North America only)
See Appendix A for
page A-1.
7ML19985QX81
o o o
C (–40 F to +302 F)
• 4 to 20 mA
CSA , FM, CE
US/C
Europe ETSI EN302-372, FCC, Industry Canada
Intrinsically Safe:
(Europe)
(International)
(US/Canada)
(see next page for Non-Incendive Class I, Div. 2 approval)
SITRANS LR250 (HART) – QUICK START MANUAL
on page 20, for more details.
ATEX II 1G, EEx ia IIC T4
ATEX II 1D, EEx tD A20 IP67 T90 °C
IECEx SIR 05.0031X, Ex ia IIC T4,
EX tD A20 IP67 T90 °C
FM/CSA: (barrier required)
Class I, Div. 1, Groups A, B, C, D
Class II, Div. 1, Groups E, F, G
Class III
device nameplate
process device
tag
1
T4
on
Page EN-3