KROHNE OPTISWIRL 4070 ATEX II2G EN - Manual (Page 5)

DEVICE DESCRIPTION
2
5
OPTISWIRL 4070
www.krohne.com 04/2013 - 4000077105 MA OPTISWIRL4070 II2G AD R05 en
2.3 Marking
The marking key is used to mark the devices using the nameplates as illustrated here. On both
the compact devices and the remote versions, the main plate is located on the converter
housing. On the remote versions there is an additional marking on the sensor.
Compact devices with two converters for dual measurement (Dual Version) are each marked
with a nameplate, which is affixed to each of the converter housings. The details relevant to
explosion protection are identical on both nameplates.
1 Device version OPTISWIRL 4070C or VFC 070F / OPTISWIRL 4000
2 Materials sensor and sealing
3 Serial Number
4 Year of manufacture
5 Marking as per PTB 06 ATEX 2050X or IECEx PTB 09.0051X
6 Permissible ambient temperature range
7 Maximum values intrinsically safe circuits
8 Safety instructions
9 Observe operating instructions
AD_OPTISWIRL4070_II2G_R05_en_077105_PRT.book Page 5 Tuesday, April 23, 2013 2:17 PM