<10. EXPLOSION PROTECTED TYPE INSTRUMENT>
10-6
IM 01F06F00-01EN
Type of Protection : Intrinsically Safe for Class I,
II, III, DIV.1, Groups A, B, C, D, E, F and G,
T4, and Class I, Zone 0, AEx ia IIB/IIC T4,
Entity, FISCO
Nonincendive for Class I, II, Div.2, Groups
A, B, C, D, F and G, Class III, DIV.1, Class I,
Zone 2, Group IIC, FNICO
Ambient Temperature :
–40 to +60°C (Integral Type and Vortex Flow
Converter)
–40 to +80°C (Remote Type Detector)
Indoors and Outdoors : Type 4X
Electrical Parameters : Intrinsically Safe
[Entity] Vmax=24 V, Imax=250 mA,
Pi=1.2 W, Ci=3.52 nF, Li=0 mH
[FISCO (IIC)] Vmax=17.5 V, Imax=380 mA,
Pi=5.32 W, Ci=3.52 nF, Li=0 mH
[FISCO (IIB)] Vmax=17.5 V, Imax=460 mA,
Pi=5.32 W, Ci=3.52 nF, Li=0 mH
Nonincendive
Vmax=32 V, Ci=3.52 nF, Li=0 mH
Electrical Connection : ANSI 1/2NPT female
(2) Wiring
• Explosion proof
WARNING
• All wiring shall comply with National
Electrical Code ANSI/NFPA 70 and Local
Electrical Code.
• “SEAL ALL CONDUITS 18 INCHES”
“ WHEN INSTALLED DIV.2, SEALS NOT
REQUIRED”.
• Intrinsically Safe
NOTE
If you are using a hand-held terminal in the
hazardous area, read the Control Drawing or
Instruction Manual of handheld terminal.
(3) Operation
• Explosion proof
WARNING
• In case of Explosion proof, note a warning
label worded as follows.
Warning: OPEN CIRCUIT BEFORE
REMOVING COVER.
INSTALL IN ACCORDANCE WITH
THE INSTRUCTION MANUAL (IM)
01F06A00-01EN.
• Take care not to generate mechanical
spark when access to the instrument and
peripheral devices in hazardous locations.
(4) Maintenance and Repair
WARNING
The instrument modification or part replacements
by other than authorized representative of
Yokogawa Electric Corporation is prohibited and
will void the approval of FM Approvals.
