Elgas DATCOM, Operating Instructions Manual

Page: 187 / 228

Appendix
2: ELCORplus version for Zone 2
185
Appendix 2: ELCOR plus version for Zone 2
1 Introduction
This appendix describes a version of the ELCOR plus that has a different type of explosion
protection than the one described in the previous section of the manual and is intended for
use in a hazardous area Zone 2.
In the following, this embodiment of the device is designated ELCOR
plus for Zone 2.
ELCOR plus for Zone 2 is implemented with “nA” type protection in combination with “ic”
protection and cannot be used in Zone 0/1 environments.
This version of the device can be also supplied under the trade name DATCOM plus for Zone 2
as an electronic data logger.
The appendix describes the differences between the ELCOR plus for Zone 2 and the
intrinsically safe version of the device described in the main body of this document.
ATTENTION!
The ELCOR plus for Zone 2 (DATCOM plus for Zone 2) with explosion-proof
category "II 3 (3) G" and combined explosion protection "ic nA" must not be
used in Zone 0/1 environments, otherwise, there is a risk of explosion.
The whole device with transducers and etc. must be located in the Zone 2
environment (i.e. including pressure and temperature transducers).
The production label with ATEX is located on the top of the housing.
The device ELCOR plus for Zone 2 (DATCOMplus for Zone 2) has a working
temperature limited to range of :
Operating temperature scope: -25 °C ÷ +60 °C