IM 12B6C2-E-H
38
8. CLASSIFICATION
8-1. Cenelec
Any shunt zenerdiode safety barrier or supply unit or isolated repeater certified by BASEEFA or any EEC approved certification body to
[EEx ia] IIC or [EEx ib] IIC where the output current is limited in a different way and not exceeding the follwoing characteristics:
Vmax.out = 22 V en Imax.out = 85 mA
such as (but not limited to): Type : Camille Bauer Sineax 84-2B1-511
Sineax 89-2B1-511 (P.T.B. Cert. Ex-81/2044X)
of
SYSTEM CERTIFICATE
EXA200 INSTRUMENTS
BASEEFA NR Ex 892380
A) 1 ORP-sensor,
such as (but not limited to) SM29-PT8
or
A) 1 PH-glass sensor, SM21-AG4
such as (but not limited to) SM21-AG6
plus SM21-TL4
B) 1 reference sensor SR20-AC22
such as (but not limited to) SR20-AP24
or SR20-AL32
AB) 1 combined sensor SC21-AGP24
such as (but not limited to) SC21-ASP24
plus
C) 1 temperature sensor SM60-Pt100
such as (but not limited to) SM60-Pt1000
These are all passive sensors to be regarded as “simple appara-
tus” i.e. devices which comply with clause 1.3 van EN 50014.
Ex-classification: EEx ib [ia] IIC T4
Zone 0 or 1 Zone 1
ZONE 1
OR
ZONE 2
Connecting cables
such as (but not limited to):
WU20-PC5 WU20-PC2
WU20-PC10 K1220 EM
WU-LT2
pH 200 S
Vout = 14.4 V max.
Iout = 3.6 mA max.
C ext = 1300 nF max
L ext = 1000 mH max.
BASEEFA Nr. Ex 89C2379
SC 200 S
Vout = 14.4 V max.
Iout = 72.8 mA max.
C ext = 1300 nF max
L ext = 8.0 mH max.
BASEEFA Nr. Ex 89C2379
NON HAZARDOUS AREA
Certified Barrier with electronic current limitation and the following characteristics:
Vmax.out = 31.5 V, Imax.out = 35 mA, Pmax.out = 1.1 W
Type: Yokogawa Bard 400 (BASEEFA Cert. Ex 84B2257X)
Any shunt zenerdiode safety barrier certified by BASEEFA or any EEC approved certification body to [EEx ia] IIC or [EEx ib] IIC where the
output current is limited by a resistor “R” directly in the output line such that Imax.out = Vmax.out / R and not exceeding the follwoing
characteristics:
Vmax.out = 28 V; Imax.out = 93.3 mA Pmax.out = 8.66 W.
such as (but not limited to):
Type: MTL 728
MTL 788 (BASEEFA Cert. Ex 832452)
MTL 788 R
Stahl 8981/31-280/085/00 (P.T.B. Cert. Ex-78/2007X)
of
1 conductivity sensor with SC41-SP34
integral temperature sensor SC49-FP08
such as (but not limited to) SC41-SP24
SC41-EP14
SC41-EP04
These are all passive sensors to be regarded as “simple appara-
tus” i.e. devices which comply with clause 1.3 van EN 50014.
Connecting cables
such as (but not limited to):
WU40-LH18 WU40-LH2
WU40-LH5
11 12 14 13 17 15 16
11 12 14 13 17 15 16
G - +
G - +
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