YOKOGAWA FLXA21 User Manual

IM 12A01A02-01E 8/11
8th Edition
Measuring Module 1, 2
Type of Measuring Module
pH, SC, DO ISC SENCOM
Uo 11.76 V 11.76 V
5.36 V
Io 116.5 mA 60.6 mA 106.16 mA
Po 0.3424 W 0.178 W 0.1423 W
Co 100 nF 100 nF 31 μF
Lo 1.7 mH 8 mH 0.45 mH
Specic condition of use
- Precautions shall be taken to minimize the risk from electrostatic discharge of non-metallic parts and
painted parts of the enclosure. When the equipment used in hazardous locations, avoid any action
which generate electrostatic discharge such as rubbing with a dry cloth.
- The cable gland accompanying the equipment may not provide sufcient clamping. Additional clamping
of the cable shall be provided to ensure that pulling and twisting are not transmitted to the termination.
Alternatively, an Ex d, Ex e, or Ex n cable gland which provides sufcient clamping shall be used
instead of the accompanying cable gland.
Notes:
1. Installation must be in accordance with the Canadian Electric Code C22.1 and relevant local codes.
2. Measuring Module 2 is not always installed. As for ISC module and SENCOM module, only one
module is permitted to be installed at a time.
3. For Division 2 / Zone 2 installation, Sensor 1 and Sensor 2 may be equipment suitable for Division 2
/ Zone 2, or simple apparatus, or nonincendive eld wiring apparatus with the following nonincendive
eld wiring parameters.
Ui (or Vmax) ≥ Uo
Ii (or Imax) ≥ Io
Pi ≥ Po
Ci ≤ Co – Ccable
Li ≤ Lo – Lcable
4. FLXA202 Analyzer must be installed in accordance with one of the following:
a) in a SELV or PELV system, or
b) via a safety isolating transformer complying with the requirements of IEC 61558-2-6, or a technically
equivalent standard, or
c) directly connected to apparatus complying with IEC60950 series, IEC61010-1, or a technically
equivalent standard, or
d) fed directly from cells or batteries.
5. WARNING – POTENTIAL ELECTROSTATIC CHARGING HAZARD AVERTISSEMENT – DANGER
POTENTIEL DE CHARGES ÉLECTROSTATIQUES
6. WARNING – SUBSTITUTION OF COMPONENTS MAY IMPAIR SUITABILITY FOR DIVISION 2 /
ZONE 2.
AVERTISSEMENT – LA SUBSTITUTION DE COMPOSANTS PEUT RENDRE CE MATÉRIEL
INACCEPTABLE POUR LES EMPLACEMENTS DE DIVISION 2/ZONE 2
(pages 1-12 to 1-17) delete
l FLXA21

YOKOGAWA FLXA21 Specifications

General

Brand	YOKOGAWA
Model	FLXA21
Category	Measuring Instruments
Language	English