Endura APA592
pH / Redox (ORP) transmitter
2 Use in Areas Requiring Ignition Protection
OI/APA592–EN Rev. E
15
2.5.5 APA592-pH.F2 or .C2 (Explosion-proof)
2.5.6 APA592-pH.F3 or .C3 (Non-incendive)
Agency
Area Classification
FM
XP, Class I, Div. 1, Groups A, B, C, D
Class II/III, Div. 1, Group F, G; T4 Ta = 60 ºC
CSA
Class I, Div. 1, Groups A, B, C, D
Class II, Div. 1; Groups E, F, G
Class III; Div. 1; T4
Table 2.6 Explosion-proof
Note.
See installation drawings P0909 – FM (page 101), or P0911 – CSA (page 103) for allowable
sensors.
Agency
Approvals
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
Table 2.7 Non-incendive
Input Parameters
Maximum voltage
U
i
= 30 V
Maximum input current
current controlled by transmitter
Internal inductance
L
i
= 0,5 mH
Internal capacitance
C
i
= 5 nF
Table 2.8 Non-incendive Field Wiring – FM and CSA: Input Parameters
Note.
For installation not using Associated Equipment, maximum voltage is 42 V DC and input wiring
must be installed per Div. 2 wiring methods in accordance with the applicable Electrical Code of the
country in use.