Siemens SITRANS F C MASSFLO MASS 6000 Ex-d, Руководство пользователя, Страница: 7 / 32

SITRANS F C MASSFLO
    
7 SFIDK.PS.028.Q1.02
2.6 Approvals
2.7 Special conditions
for safe use of
MASS 6000 Ex-d
version and MASS
2100
•
The sensor type MASS 2100 can be mounted directly onto the plug or separately with special
kit for separate mounting.
•
When measuring liquids with higher temperatures than 50°C, the sensor must be insulated.
•
The 24 V input voltage shall be from a safety-isolated transformer according to EN 60742 or
EN 61558-1. The input terminals must be certified according to EN 50019 and the maximum
wire size is 1.5 mm
2
.
•
The evaluation of the flameproof part of the enclosure is covered by DEMKO certificate
99E.125730U and shall be maintained as a part of this certification.
•
All the wiring for increased safety must be located in the separate part of the terminal house
room and must be covered with the plastic cover. The cover is marked „Increased Safety“.
•
The signal converter must always be connected to ground using the internal terminal or
external PE ground.
Notified body
2. Installation
Sensor MASS 2100 DI 1.5, DI 3, DI 6, DI 15, DI 25 and DI 40
0539 II 1 G
DEMKO 03 ATEX 135252X
EEx ia IIC T3...T6
Temperature classes for ambient temperature between
−−−−−
20
°°°°°
C to +50
°°°°°
C:
T3 (max. surface < 200
°
C) for liquid temperature lower than 180
°
C
T4 (max. surface < 135
°
C) for liquid temperature lower than 135
°
C
T5 (max. surface < 100
°
C) for liquid temperature lower than 100
°
C
T6 (max. surface < 85
°
C) for liquid temperature lower than 85
°
C
Signal converter MASS 6000 Ex-d compact or remote mounted
0539 II 2 G
DEMKO 03 ATEX 135253X
EEx de [ia/ib] IIC T6
ambient temperature
−
20 to +50
°
C
The SITRANS F C MASSFLO

mass flowmeter was tested for approval by:
UL International DEMKO A/S
Lyskaer 8, P.O. Box 514
DK-2730 Herlev
Denmark