Yokogawa digitalYEWFLO (DY-FF) - Manual (Page 50)

<10. EXPLOSION PROTECTED TYPE INSTRUMENT>
10-1
IM 01F06F00-01EN
10. EXPLOSION PROTECTED TYPE
INSTRUMENT
In this section, further requirements and differences
for explosion proof type instrument are described
except JIS Flame proof. For explosion proof type
instrument, the description in this chapter is prior to
other description in this Instruction Manual.
WARNING
• Only trained persons use this instrument in
industrial locations.
10.1 ATEX
WARNING
• Only trained persons use this instrument in
industrial locations.
• Electrostatic charge may cause an explosion
hazard.
Avoid any actions that cause the generation
of electrostatic charge, such as rubbing with
a dry cloth on coating face of product.
 Technical Data
• Flameproof
Applicable Standard : EN 60079-0: 2009,
EN 60079-1: 2007
Certifi cate : DEKRA 11ATEX0212X
Type of Protection:
Group:
II
Category: 2 G
Ex d IIC T6…T1 Gb (Integral Type Vortex
Flowmeter and Remote Type Vortex Flow
Detector)
Ex d IIC T6 Gb (Remote Type Vortex Flow
Convertor)
Specifi cation of Protection:
Process Temperature: (Integral Type Vortex
Flowmeter and Remote
Type Vortex Flow
Detector)
Temperature Class Process Temperature
T6 -29°C to +80°C
T5 -29°C to +100°C
T4 -29°C to +135°C
T3 -29°C to +200°C
T2 -29°C to +300°C
T1 -29°C to +450°C
*1 Note: Use /HT version above 250°C
Temperature Class: T6 (Remote Type Vortex Flow
Convertor)
Ambient Temp.:
–29 to +60°C (Integral Type Vortex
Flowmeter and Remote Type Vortex Flow
Detector)
–40 to +60°C (Remote Type Vortex Flow
Convertor without indicator)
–30 to +60°C (Remote Type Vortex Flow
Convertor with indicator)
Power Supply: 9 to 32Vdc max.
Special Fastener: Class A2-50 or more
• Intrinsically Safe
Applicable Standard: EN 50014: 1997 +A1, +A2,
EN 50020: 2002,
EN 60079-27: 2006,
EN 50284: 1999
Certifi cate: KEMA 03ATEX1136X
Type of Protection: EEx ia IIB/IIC T4...T1 (Integral
Type Vortex Flowmeter and
Remote Type Vortex Flow
Detector)
EEx ia IIB/IIC T4 (Remote
Type Vortex Flow Converter)
Group: II
Category: 1 G
Tamb: –29 to +60°C (Integral Type Vortex
Flowmeter)
–29 to +80°C (Remote Type Vortex Flow
Detector)
–40 to +60°C (Remote Type Vortex Flow
Converter)