Installation In Hazardous Areas - ABB Endura APA592 Operating Instruction

Endura APA592
pH / Redox (ORP) transmitter

4.8.4 Installation in Hazardous Areas

APA592–PH transmitters can be installed in a wide variety of industrial sectors. Systems that require ignition
protection are divided into zones. As a result, different instruments are also required.
Note. For additional information, refer to Section 2.5, page 12.
Figs 4.10 to 4.16, page 39 provide details of installations in ATEX/IEC Ex areas.
Intrinsic Safety – ATEX / IEC Ex
II 1 G Ex ia IIC T4
II 1 D Ex ia D A20 IP66 T135 ºC, –20 ºC T
Fig. 4.10 Intrinsic Safety – ATEX/IECEx
Intrinsic Safety – FM and CSA
Entity parameters are specified in Appendix B, installation drawing P0908
FM Class I, Div. 1, Groups A, B, C, D
Class II/III, Div. 1, Group E, F, G; T4
Ta = 60ºC
Hazardous Area / Div. 1
Fig. 4.11 Intrinsic Safety – FM and CSA
36
amb
Hazardous Area
Sensor
Transmitter
Sensor
Transmitter
60 ºC
ia
ia
Associated apparatus
providing intrinsically
safe [ia] outputs
CSA Class I, Div. 1, Groups A, B, C, D
Class II, Div. 1, Groups E, F, G
Class III; Div. 1; T4
ia
ia
Associated apparatus
providing intrinsically safe
4 Electrical Installation
Safety Area
Safety Area
[ia] outputs
OI/APA592–EN Rev. E