Yokogawa digitalYEWFLO (DY) - Manual (Page 152)

<14. EXPLOSION PROTECTED TYPE INSTRUMENT>
14-1
IM 01F06A00-01EN
14. EXPLOSION PROTECTED TYPE
INSTRUMENT
In this chapter, further requirements and differences
for explosion proof type instrument are described
except TIIS Flame proof. For explosion protected
type, the description in this chapter is prior to other
description in this User’s Manual.
WARNING
• Only trained persons use this instrument in
industrial locations.
14.1 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.
(1) 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
Converter)
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
Converter)
Ambient Temp.:
–29 to +60°C (Integral Type Vortex Flowmeter
and Remote Type Vortex Flow Detector)
–40 to +60°C (Remote Type Vortex Flow
Converter without indicator)
–30 to +60°C (Remote Type Vortex Flow
Converter with indicator)
Power Supply: 10.5 to 42Vdc max.
Output Signal: Current Output; 4 to 20mAdc
Pulse Output; On=2Vdc, 200mA
Off=42Vdc, 4mA
Special Fastener: Class A2-50 or more
• Intrinsically Safe
Applicable Standard: EN 50014: 1997,
EN 50020: 2002,
EN 50284: 1999
Certifi cate: KEMA 01ATEX1082X
Type of protection: EEx ia IIC T4…T1 (Integral Type
Vortex Flowmeter and Remote
Type Vortex Flow Detector)
EEx ia IIC T4 (Remote Type
Vortex Flow Converter)
Group: II
Category: 1 G
Degree of Protection of Enclosure: IP67
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)