2. The second digit designates the configuration of sensors with regard to PID, Dynament
NDIR, and LEL sensor. The following table details the sensor configurations together
with their Ex markings and ambient temperatures:
Type Sensor Configuration
Ex Marking
(c=0)
Ambient
Teperature (°C)
BWRR100
a-0-c
without PID, Dynament
NDIR or LEL
Ex ia II C T4 Ga
Class I, Division 1, Groups A, B,
C, & D, T4
-40 to+60
BWRR100
a-1-c
with PID
Ex ia II C T4 Ga
Class I, Division 1, Groups A, B,
C, & D, T4
-20 to +55
BWRR100
a-2-c
with Dynament NDIR
Ex db ia II C T4 Gb
Class I, Division 1, Groups A, B,
C, & D, T4
-20 to +60
BWRR100
a-3-c
with LEL
Ex da ia II C T4 Ga
Class I, Division 1, Groups A, B,
C, & D, T4
-40 to +60
BWRR100
a-4-c
with PID and Dynament
NDIR
Ex db ia II C T4 Gb
Class I, Division 1, Groups A, B,
C, & D, T4
-20 to +55
BWRR100
a-5-c
with Dynament NDIR and
LEL
Ex db ia II C T4 Gb
Class I, Division 1, Groups A, B,
C, & D, T4
-20 to +60
BWRR100
a-6-c
with LEL and PID
Ex da ia II C T4 Ga
Class I, Division 1, Groups A, B,
C, & D, T4
-20 to +55
BWRR100
a-7-c
with PID, Dynament NDIR
and LEL
Ex db ia II C T4 Gb
Class I, Division 1, Groups A, B,
C, & D, T4
-20 to +55
3. The third digit designates the configuration of wireless modules with regard to Wi-Fi and
NB-IoT. The following table details the wireless module configurations together with
their gas groups.
Type Wireless Module Configuration
Gas Group
Zone Division
BWRR100 a-b-0 without Wi-Fi or NB-IoT II C A, B, C, & D
BWRR100 a-b-1 with Wi-Fi II B C, & D
BWRR100 a-b-2 with NB-IoT II B C, & D
BWRR100 a-b-3 with Wi-Fi and NB-IoT II B C, & D
BW RigRat 18 User Manual