DWEX DIGITAL LOUD-SPEAKING EXPLOSION PROOF CALL STATION
User Manual
armtel.com
page 11/40
© Armtel
Table 2 – Main specifications of DWEx (end)
Parameters
Value
Electric protection class as per GOST 12.2.007.0-75, IEC 61140
II
Protection degree provided by shells (under GOST 14254-2015
(IEC 60529:2013)) (IP-code)
IP66
Climatic category according GOST 15150-69
NF1
1)
Ambient temperature range, ºC
from -40 to +70
Air pressure range, kPa
from 84 to
106,7
Relative humidity, at the temperature of 25 °
С
, %
Up to 100
Line interface Ua/Ub DWEx
Uk
0
-interface,
according CCITT
Transfer protocol
«Armtel»
Overall dimensions, mm
refer Figure 1
Weight (depending on the version), kg
from 8,5 to 9,1
1)
Outdoor use
The design and material of the DWEx housing have impact and chemical resistance,
resistant to solar ultraviolet radiation. The coating is resistant to ultraviolet radiation, oil and
gas resistance, and resistant to the effects of chemical environment specified in Table 3.
