Yokogawa PK200 - Manual (Page 9)

IM 21B03D01-01E 1-4
1. HANDLING PRECAUTIONS
1.6.2 FM Explosionproof Type
Following items are described in the instruction
documents of this instrument to ensure certified
explosionproof properties.
1. PK200 Current to Pneumatic Converter is
applicable for use in hazardous areas;
* Explosionproof for Class I, Division 1, Groups B, C
and D.
* Dust ignitionproof for Class I/II, Division 1, Groups
E, F and G.
* Outdoor hazardous locations, NEMA 4X.
2. Wiring
* All wiring shall comply with National Electrical
Code ANSI/NEPA70 and Local Electrical Codes.
* When installed in Division 1, “FACTORY
SEALED, CONDUIT SEAL NOT REQUIRED”.
However, in case of installing a sealing fitting
(option) for waterproof or other purposes, see
4.2.2(6).
3. Operation
* WARNING: OPEN CIRCUIT BEFORE REMOV-
ING COVER.
FACTORY SEALED, CONDUIT
SEAL NOT REQUIRED.
INSTALL IN ACCORDANCE
WITH THE INSTRUCTION
MANUAL IM 21B3D1-01E
* Take care not to generate mechanical spark when
access to the instrument and peripheral devices in
hazardous location.
4. Maintenance and Repair
* The instrument modification or parts replacement by
other than authorized representative of Yokogawa
Electric Corporation is prohibited and will void
Factory Mutual Explosionproof Certification.
1.7 EMC Conformity Standard
EN61326-1 Class A, Table 2
(For use in industrial locations)
CAUTION
To meet EMC regulations, Yokogawa recom-
mends that customers run signal wiring through
metal conduits or use shielded twisted-pair
cabling when installing this instrument in a plant.
CAUTION
This instrument is a Class A product, and it is
designed for use in the industrial environment.
Please use this instrument in the industrial
environment only.