YOKOGAWA RAMC User Manual

<10. EXPLOSION-PROTECTED TYPE INSTRUMENTS>
10-3
IM 01R01B02-00E-E 12th edition October 01, 2014 -00
All Rights Reserved. Copyright © 2003, Rota Yokogawa
10.2 Intrinsically safe ATEX certied components (/KS1)
10.2.1 Technical data
Data of electronic transmitter type -E, -H :
The electronic transmitter is an intrinsically safe device. This device is certied for hazardous areas of zone 1 (cat-
egory 2) und zone 2 (category 3). It is not homologated for zone 0 (category 1). The classications in brackets are
given according to EU-Regulation 94/9/EG (ATEX).
EC-Type Examination Certicate Nr.: PTB 12ATEX2003
Applicable standards: EN 60079-0: 2009
EN 60079-11: 2007
Identication in accordance with regulation 94/9/EG (ATEX) :
II 2 G
Type of protection : Intrinsically safe Ex ia IIC T6 Gb
Ambient temperature : -40°C ... +70°C
Safety relevant maximum values:
Maximum voltage : U
i
= 30 V
Maximum current (IIC) : I
i
= 101 mA
Maximum power : P
i
= 1.4 W
Inner inductance : L
i
= 0.15 mH
Inner capacity : C
i
= 4.16nF
Data of electronic transmitter type -G :
See IM 01R01B02-01E-E.
Data of limit switches :
The following table shows the maximum safety parameters for intrinsic safe limit switches according the certicates
PTB 99 ATEX 2219X (Standard) and PTB 99 ATEX 2049X (Fail Safe).
Table 10.1
Standard /K1 ... /K3
Ex ia IIC T6
Fail Safe /K6 .../K10
Ex ia IIC T6
Type 2 Type 3 Type 2 Type 3
Ui [V] 16 16 16 16
Ii [mA] 25 52 25 52
Pi [mW] 64 169 64 169
Ci [nF] 150 150 30 30
Li [µH] 150 150 100 100
max. ambient temp. [°C] for T6 49 28 49 28
max. ambient temp. [°C] for T5 61 40 61 40
max. ambient temp. [°C] for T4 - T1 89 68 89 68

YOKOGAWA RAMC Specifications

General

Brand	YOKOGAWA
Model	RAMC
Category	Measuring Instruments
Language	English