Delta Controls DPT-2000 - Manual (Page 9)

7 IOM-DPT-A: FEB 2014
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Appendix Exi
II. APPENDIX Exi.
DPT –2000ALW TEMPERATURE TRANSMITTER
Exi VERSION
1. Introduction
1.1. This “Appendix Exi” applies to transmitters of type DPT-2000ALW in Ex versions only, marked on
the rating plate as shown in 2 and 3 and denoted Ex in the Product Certificate.
1.2. The appendix contains supplementary information relating to the Ex versions of these transmitters.
During installation and use of Ex transmitters, reference should be made to DTR.DPT.ALW.02 (ENG) in
conjunction with “Appendix Exi”.
2. Use of DPT
–2000ALW transmitters in danger zones.
2.1. The transmitters are produced in accordance with the requirements of the following standards:
EN 60079-0:2012, EN 60079-11:2012, EN 60079-26:2007, EN 50303:2000
2.2. The transmitters may operate in areas where there is a risk of explosion, in accordance with the rating of
the explosion protection design:
COMING SOON!
(the temperature class of transmitter depends from medium temperature)
2.3. Transmitter category and hazard areas
The category 1/2G, contained within the rating, means that the transmitter may be installed within a type
1 or 2 hazard zone. Shield of the measuring insert DPT-2000ALW, may connect to a 0 zone type (see the
diagram below for an example).
Shield of the measuring insert
Temperature transmitter
Zone 0 Zone 1 or 2 Safe area
3. Identifying marks..
Intrinsically safe transmitters must have a rating plate containing the information specified in paragraph 4.1 of .
DTR.DPT.ALW.03 and also at least the following:

CE mark and number of notified unit

designation of explosion protection design, certificate number

values of parameters such as. Ui, Ii, Ci, Li,

year of manufacture
i