Manual
<8. EXPLOSION-PROTECTED TYPE INSTRUMENTS>
8-2
IM 01R01B30-00E-E 5th edition January 01, 2013 -00
All Rights Reserved. Copyright © 2003, Rota Yokogawa
8.2 Intrinsically safe ATEX certied RAKD (/KS1)
8.2.1 Technical data
EC-Type Examination Certicate Nr.: KEMA 00ATEX1037X
Used standards:
- EN 60079-0: 2009
- EN 60079-11: 2007
The RAKD with electronic transmitter and limit switches is an intrinsically safe device. This device is certied for
hazardous areas of zone 1 (category 2) and zone 2 (category 3). It is not homologated for zone 0 (category 1).
The classications in brackets are given according to EC- Directive 94/9/EG (ATEX).
Identication in accordance with regulation 94/9/EG (ATEX) :
II 2 G
Data of electronic transmitter type -E :
Type of protection : Intrinsically safe Ex ia IIC T6-T4 Gb
Ambient temperature: -25°C ... +65°C
Safety relevant maximum values:
Supply (current output):
Maximum voltage: U
i
= 30 V
Maximum current: I
i
= 100 mA
Maximum power: P
i
= 750 mW
Inner inductance: L
i
= 0.73 mH
Inner capacity: C
i
= 2.4 nF
Pulse output:
Maximum voltage: U
i
= 16 V
Maximum current: I
i
= 20 mA
Maximum power: P
i
= 64 mW
Inner inductance: L
i
= 0 mH
Inner capacity: C
i
= 0 nF
Data of limit switches :
Type of protection : Intrinsically safe Ex ia IIC T6 Gb
Safety relevant maximum values:
SC2-NO (/K1.../K3) SJ2-S.N (/K6.../K10)
Type 2 Type 3 Type 2 Type 3
Maximum voltage: U
i
= 16 V 16 V U
i
= 16 V 16 V
Maximum current: I
i
= 25 mA 52 mA I
i
= 25 mA 52 mA
Maximum power: P
i
= 64 mW 169 mW P
i
= 64 mW 169 mW
Inner inductance: L
i
= 0.15 mH 0.15 mH L
i
= 0.1 mH 0.1 mH
Inner capacity: C
i
= 150nF 150nF C
i
= 30nF 30nF