Yokogawa RAMC - Manual (Page 82)

<9. TECHNICAL DATA>
9-10
IM 01R01B02-00E-E 10th edition January 01, 2013 -00 All Rights Reserved. Copyright © 2003, Rota Yokogawa
FLAME PROOF AND DUST PROOF RAMC
Flame proof and dust proof RAMC with ATEX-
certificate (option /KF1):
Certificate :
IBExU 05 ATEX 1086
Flame proof :
Ex d IIC T1 ... T6 Gb ; group II ; category 2G
Dust proof :
Ex tb IIIC TX Db IP6X; group III ; category 2D
Max. surface temperature TX :corresp. process temperature
Housing :
Painted aluminium casting, type 91
Output signal (with electronic transmitter -E, -H) :
4–20 mA (2- wire unit, 3- wire unit) ; 0-20 mA (3- wire unit)
Power supply (with electronic transmitter -E, -H) :
2- or 3- wire unit
Limit switches :
Options /K1 to /K10 possible
Ambient temperature :
-20 °C to 60 °C
Minimum process temperature :
-20°C
Threads for cable glands :
- M20x1.5 (standard)
- ½” NPT (option /A5)
Temperature classification :
Table 8
see table 8
Flame proof and dust proof RAMC with IECEx-
certificate (option /EF1):
Certificate :
IECEx IBE12.0007
Flame proof :
Ex d IIC T1 ... T6 Gb ; group II ; category 2G
Dust proof :
Ex tb IIIC TX Db IP6X; group III ; category 2D
Max. surface temperature TX :corresp. process temperature
Housing :
Painted aluminium casting, type 91
Output signal (with electronic transmitter --E, -H) :
4–20 mA (2- wire unit, 3- wire unit) ; 0-20 mA (3- wire unit)
Power supply (with electronic transmitter -E, -H ) :
2- or 3- wire unit
Limit switches :
Options /K1 to /K10 possible
Ambient temperature :
-20 °C to 60 °C
Minimum process temperature :
-20°C
Threads for cable glands :
- M20x1.5 (standard)
- ½” NPT (option /A5)
Temperature classification :
Table 8
see table 8
Flame proof and dust proof RAMC with NEPSI-
certificate (China) (option /NF1) :
Certificate :
GYJ071430
Flame proof :
Ex d IIC T6
Dust proof :
DIP A20 TA T1 - T6 IP67
Max. surface temperature TA: corresponding process
temperature
Housing :
Painted aluminium casting type 91
Output signal (with electronic transmitter -E or -H) :
4–20 mA (2- wire unit, 3- wire unit) ; 0-20 mA (3- wire unit)
Power supply (with electronic transmitter -E or -H) :
2- or 3- wire unit
Limit switches :
Options /K1 to /K10 possible
Ambient temperature :
-20 °C to 60 °C
-20 °C to 55 °C (for use in zone 20)
Minimum process temperature :
-20°C
Threads for cable glands :
- M16x1.5 (standard)
- ½” NPT (option /A5)
Temperature classification :
Table 8
Temp.
class
Max. Process temperature
No extension On Extension On extension
with insulation
T6 85°C 85°C 85°C
T5 100°C 100°C 100°C
T4 120°C 135°C 135°C
T3 120°C 200°C 200°C
T2 120°C 300°C 300°C
T1 120°C 370°C 350°C
Flame proof and dust proof RAMC with PESO-
certificate (India) :
Option /KF1 must be selected. PESO- certificate is available
at your Yokogawa Sales Office.
Flame proof and dust proof RAMC with KOSHA-
certificate (Korea):
Same data as IECEx- certified type (/EF1).