36 FLOWSIC100 Flare · Operating Instructions · 8013344/11L2/V 2-5/2018-10 · © SICK Engineering GmbH
Product Description
Subject to change without notice
Type code for sender/receiver units ATEX Zone 1, IECEX and Zone 2 (continued)
Parameter Code Design/Description Type of sender/receiver unit
Gas temperature
S Standard range -70 ... +180°C
H High temperature range -70 ... +280 °C only for ATEX Zone 1/IECEX  and CSA versions
L Low temperature range -196 ... +100 °C
use in zone 1 only for  FLSE100-EXS 
and EXPR - Titanium version
Z High temperature range -70 ... +260 °C only for ATEX zone 2 versions
Probe retraction 
mechanism
N Non-retractable
R Retractable (welded retraction flange)
V
Retractable with vent (welded retraction 
flange)
Material of retraction 
flange
N Without retraction flange
non-retractable FLSE100S
Stainless steel 1.4571, 1.4404, 
316L, 316 Ti
Probe electronics
N Without electronics FLSE100-EXS (slave probe)
4 1-channel F42 FLSE100-EX and EXRE
8 2-channel F80 FLSE100-EXS
1 2-channel F135 FLSE100-EXS and EXPR
Explosion 
protection
1 ATEX/IECEx  zone 1 (IECEx not for FLSE with junction box)
2 ATEX zone 2
4 INMETRO Zone 1
Ex group
A IIA T4
B IIB T4
C IIC T4
6 IIC T6 not for gas temperature > 80°C
Electronic housing
N No electronics only valid for FLSE100-EXS slave probe
S Standard housing not for sender/receiver units for use in zone 1 
D Ex-d housing
Housing material
N No electronics FLSE100-EXS (slave probe)
A Aluminium
S Stainless steel  not for ATEX zone 2 versions
Housing cable entry
N No electronics FLSE100-EXS (slave probe)
P Plug connection Not for Ex devices
M Metric cable gland
T NPT cable gland
Junction box
N Without junction box
Y With junction box not suitable for armored cables, not for IECEX