Endura APA592
pH / Redox (ORP) transmitter
4 Electrical Installation
38
OI/APA592–EN Rev. E
Non-Incendive (using Div. 2 field wiring) – FM and CSA
Flameproof – ATEX
II 2 G Ex d IIC T4
II 2 D Ex tD A21 IP66 T135 ºC, -20 ºC
T
amb
60 ºC
Note.
Local regulations for the power supply must be observed and approved wiring methods for Div. 2
hazardous classified locations must be used.
FM
Class I, Div. 2,
Groups A, B, C, D
Class II/III, Div. 2, Group F, G; T4
Ta = 60 ºC
CSA
Class I, Div. 2,
Groups A, B, C, D
Class II, Div. 2, Groups F, G;
Class III, Div. 2; T4
Fig. 4.14 Non-Incendive (using Div. 2 field wiring) – FM and CSA
Note.
Local regulations governing the installation of the power supply and the sensor must be
observed. Do not open the cover when circuits are live.
Fig. 4.15 Flameproof – ATEX
Safety Area
Power Supply
Non-hazardous
Area
Sensor
Transmitter
Hazardous Area
Safety Area
Power Supply
Non-hazardous
Area
Sensor
Transmitter
in Ex d Housing
Hazardous Area
