82
8013741/16LH/V1-7/2020-04| SICK
O P E R A T I N G I N S T R U C T I O N S | MCS300P Ex
Subject to change without notice
10
APPENDIX
10.1.3
TR CU certification
Measuring device MCS300P complies with
Т
R CU (in accordance with
Т
R CU 012/2011):
Parameters of the purge air supply system
Explosion protection identification in accordance with GOST 31610.0-2014
(IEC 60079-0:2011)
Photometers
as explosion-protected version are devices with ignition protection type Gb or
Gc, with ignition protection type
рх
- filling or purging the enclosure with overpressure (for
ignition protection type Mb or Gb) or pz - filling or purging the enclosure with overpressure
(for the device ignition protection type Gc), depending on the location in potentially
explosive atmospheres, with gas of subgroup II
С
, at a maximum surface temperature of
135 °
С
(
Т
4) or 200 °
С
(
Т
3) and with special conditions for safe use «
Х
».
The cell
as explosion-protected version is a device with ignition protection type increased
degree of protection “
е
” (for device ignition protection type
Мс
or Gb), with gas of subgroup
II
С
and with special conditions for safe use.
Special conditions for safe use «
Х
».
- Compliance with the special requirements for safe use «
Х
» specified in the technical
documentation for accessories in explosion-protected version.
Photometer, type
MCS300P-Ex
1E
х
px IIC T4 Gb
Х
or 1E
х
px IIC T3 Gb
Х
Use in zone 1 and (or) 2
Photometer, type
MCS300P-Ex
2E
х
pz IIC T4 Gc
Х
or 2E
х
pz IIC T3 Gc
Х
Use in zone 2
Cell, type PGK..Ex
Ех
е
IIC Gb U
Ех
component
Enclosure volume, dm³
40
Minimum protective gas volume required for pre-purging (purging
before the start) the enclosure, dm³
200
Minimum protective gas consumption during purging, dm³/min
66
Minimum pressure in enclosure, mbar
0.8
Maximum pressure in enclosure, mbar
12
Photometer, type
MCS300P-Ex
1E
х
px IIC T4 Gb
Х
or 1E
х
px IIC T3 Gb
Х
Use in zone 1 and (or) 2
Photometer, type
MCS300P-Ex
2E
х
pz IIC T4 Gc
Х
or 2E
х
pz IIC T3 Gc
Х
Use in zone 2
Cell, type PGK..Ex
Ех
е
IIC Gb U
Ех
component