Yokogawa ADMAG CA - Manual (Page 10)

IM 1E8B0-01E 13-3
13. HAZARDOUS DUTY TYPE INSTRUMENT
(3) Operation
CAUTION : OPEN CIRCUIT BEFORE REMOVING COVER.
OUVRIR LE CIRCUIT AVANT D’ENLEVER LE COUVERCLE.
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 or YOKOGAWA Corpo-
ration of AMERICA is prohibited and will void Canadian Standards
Explosionproof Certification.
HAZARDOUS LOCATIONS
Magnetic Flow Converter Conduit Sealing Fitting
50cm Max.
13.3 TIIS(JIS) (Only for sizes 15 to 100 mm(0.5 to 4 in))
Care should be taken to install, wiring, piping to keep safety. This instru-
ment is restricted to maintenance and repair. Please read "INSTALLATION
AND OPERATING PRECAUTIONS FOR JIS INTRINSICALLY SAFE
EQUIPMENT" in the end of this mannual.
(1) Technical Data
• Certificate:
80 TC13648
Certificate Certificate Size (mm)
TC13644
TC13645
100 TC13646
Size (mm)
TC13649
25
15 50 TC13647
40
• Construction: Exde II CT4
: Converter; Flameproof
Flow Tube; Increased Safety
: Ignition and Explosion Class of gas or vapour; II CT4
• Ambient Temperature: –20 to 50˚C
• Fluid Temperature: 120˚C or less
• Maximum power supply voltage: 250V AC/130V DC
• Grounding: JIS Class C(10
Ω or less) or JIS Class A(10Ω or less)
Maintenance and repair of the converter should be done in nonhazardous
location after turning off.
WARNING
WARNING
WARNING
WARNING