YOKOGAWA FLXA202 Bedienungsanleitung Seite 24

Model: FLXA21 / FLXA202
Installation for Zone 2 / Division 2
Applicable models: FLXA21-D-x-x-CD-xx-xx-A-..., FLXA21-D-x-x-DD-xx-xx-A-...;
FLXA202-D-x-x-CD-xx-xx-A-..., FLXA202-D-x-x-DD-xx-xx-A-...
FLXA202-D-x-x-DE-xx-xx-A-...
Hazardous Area
Class I, Zone 2, Group IIC, or
Class I, Division 2, Groups A, B, C, D
Temperature Class: T4
FLEXA Series Analyzer
Housing Assembly
Sensor 1
Measuring Module 1
(Note 6)
Sensor 2
Measuring Module 2
(Note 6)
Measuring Module 1, 2 (Note 6):
pH, SC, DO
Uo 11.76 V
Io 116.5 mA
Po 0.3424 W
Co 100 nF
Lo 1.7 mH
Specific condition of use
- Electrostatic charges on the non-metallic or coated parts of the two wire analyzer shall be
avoided.
Specific conditions of use for FLXA202-D-x-x-DE-xx-xx-A-... when it is used as "Ex nA ic"
- The cable glands accompanying the equipment may not provide sufficient clamping. Additional
clamping of the cable shall be provided to ensure that pulling and twisting are not transmitted
to the termination. Alternatively, Ex d, Ex e, or Ex n cable glands which provide sufficient
clamping shall be used instead of the accompanying cable gland.
- The gaskets of the cable glands shall be protected from light.
- Analyzer must be installed in such a way that the air vent is physically protected from any
possible impact.
Rev.1: Dec. 26, 2019
Master Contract: 172608
Report / Certificate: 2425510 Ed. 5
Project: 80044517
Supply +
Supply –
(Note 5)
Supply +, Supply – (Note 7):
Ui: 30 V
Ci: 13 nF
Li: 0 mH
Type of Measuring Module
ISC SENCOM,
11.76 V 5.36 V
60.6 mA 106.16 mA
0.178 W 0.1423 W
100 nF 31 F
8 mH 0.45 mH
Yokogawa Electric Corporation
Page 258 of 410
Date: May 29, 2017
Non-hazardous Area
+
Control Equipment
(Note 7, 8)
–
SSA
Doc. No.: ICS032-A71 P.2
IM 12A01A02-20D-E
23
Attachment 1
9. Ausgabe: 20. Juni 2022-00