
<14. EXPLOSION PROTECTED TYPE INSTRUMENT>
14-4
IM 01E30D01-01EN
(3) Operation
• “OPEN CIRCUIT BEFORE REMOVING
COVERS.”
• “SEALS ALL CONDUITS WITHIN 18
INCHES” in hazardous locations.
• When installed in Division 2, “SEALS NOT
REQUIRED”
• Take care not to generate mechanical
spark when access to the instrument and
peripheral devices in hazardous locations.
(4) Maintenance and Repair
Theinstrumentmodicationorpartsreplacement
by other than authorized representative of
Yokogawa Electric Corporation is prohibited
and will void the approval of Factory Mutual
Research Corporation.
Non-hazardous
Location
Equipment
HAZARDOUS LOCATIONS DIVISION 1
18" (457mm) Max.
Sealing Fitting Conduit
F1403.ai
Magnetic Flowmeter
NON-HAZARDOUS
LOCATIONS
35V DC Max.
4-20 mA DC
Signal
Figure 14.2.1 Conduit Wiring
14.3 IECEx
Only trained persons use this instrument in
industrial locations.
(1) Technical Data
*AXR025C–AXR200C
Applicable Standard:
I
EC 60079-0: 2007, IEC 60079-1: 2007,
IEC 60079-7: 2006, IEC 60079-11: 2006,
IEC 60079-31: 2008
Certicate:IECExDEK11.0053
Type of Gas Atmosphere Protection
Type of Protection:
Ex d e ia IIC T6…T4 Gb
SpecicationofProtection:
ElectrodeCircuit:Um=250V
Power Supply/Current Output: 42Vdc max., 4 to
20mA,Um=250V
Digital Output: ON; 2Vdc, 120mA max., OFF;
30Vdcmax.,4mA,Um=250V
Excitation Circuit: 29 V max.
Enclosure: IP66/IP67
Process Temperature:
Temperature
Class
Maximum Process
Temperature
Minimum Process
Temperature
T6 +70°C (+158°F) –30°C (–22°F)
T5 +85°C (+185°F) –30°C (–22°F)
T4 +130°C (+266°F) –30°C (–22°F)
Ambient Temp.: –30°C to +55°C
(–22°F to +131°F)
Type of Dust Atmosphere Protection
Type of Protection:
Ex tb IIIC T90°C, T110°C, T130°C, Db
SpecicationofProtection:
ElectrodeCircuit:Um=250V
Power Supply/Current Output: 42Vdc max., 4 to
20mA,Um=250V
Digital Output: ON; 2Vdc, 120mA max., OFF;
30Vdcmax.,4mA,Um=250V
Excitation Circuit: 29 V max.
Enclosure: IP66/IP67
Process Temperature:
Maximum Surface
Temperature
Maximum Process
Temperature
Minimum Process
Temperature
T90°C (+194°F) +70°C (+158°F) –30°C (–22°F)
T110°C (+230°F) +85°C (+185°F) –30°C (–22°F)
T130°C (+266°F) +130°C (+266°F) –30°C (–22°F)
Ambient Temp.: –30°C to +55°C
(–22°F to +131°F)
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