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WIKA operating instructions pressure transmitter, model IS-3
EN
14243628.02 10/2018 EN/DE
2. Safety
2.5 Model code
IS-3-A-BCDE-***-*******-*QRST**-W***
* = not relevant for instruments in Ex version
Position
Description
Feature
A
Process connection
0 = Pressure port
1 = Flush
BC
Application range
11 = EPL Ga (ATEX: II 1G)
12 = EPL Ga (ATEX: II 1G) + EPL Ma (ATEX: I M1)
13 = EPL Ga (ATEX: II 1G) + EPL Da (ATEX: II 1D)
14 = EPL Ga (ATEX: II 1G) + EPL Da (ATEX: II 1D) + EPL Ma (ATEX: I M1)
21 = EPL Ga/Gb (ATEX: II 1/2G)
22 = EPL Ga/Gb (ATEX: II 1/2G) + EPL Ma (ATEX: I M1)
23 = EPL Ga/Gb (ATEX: II 1/2G) + EPL Da/Db (ATEX: II 1/2D)
24 = EPL Ga/Gb (ATEX: II 1/2G) + EPL Da/Db (ATEX: II 1/2D) + EPL Ma (ATEX: I M1)
31 = EPL Gc (ATEX: II 3G)
33 = EPL Gc (ATEX: II 3G) + EPL Dc (ATEX: II 3D)
D
Approvals
1 or 3 = ATEX + IECEx
2 or 3 = CSA + FM
4 = IECEx + ATEX zone 2 / 22
E
Ignition protection type
1 = Intrinsically safe
2 = Non-incendive nA
3 = Non-incendive nA + tc dust explosion “protection by enclosure”
Q
Adjustability
Z = Without
T = Zero point / span adjustable