Device description, Device description 2.1 device description, 2 description code – KROHNE DK 32-DK 34 ATEX II2G Ex i EN User Manual
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DEVICE DESCRIPTION
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DK32 DK34
www.krohne.com
11/2012 - 4000422303 AD DK32/34 II2G R03 en
Device description
2.1 Device description
Variable area flowmeters measure and display the volume flow of flammable and non-
flammable gases and liquids. The display houses one or two separately adjustable electrical
limit switches.
2.2 Description code
The safety description code * consists of the following elements:
* positions which are not needed are omitted (no blank positions)
2.3 Marking
The type marking of the instrument is realized visibly with the rating plate shown below. The
interior of the display has an additional marking with the serial number (P/A).
1 32 - with valve and horizontal connection / 34 without valve and vertical connection
2 RE - inlet pressure regulator / RA - outlet pressure regulator
3 K1 - one limit switch / K2 - two limit switches
4 S - plug connector / L - cable gland incl. cable
5 HT - high-temperature version
6 A - Limit switch tested for EC type approval or IECEx tested
7 Ex - Explosion-protected equipment
1 Device type
2 Manufacturer
3 Notified ATEX body
4 PED data
5 Sizing data: temperature & pressure rating
6 Ex-data according to PTB 99 ATEX 2191 and IECEx PTB 09.0025
7 Built-in equipment
8 Note manual
9 KROHNE website
AD_DK32_34_II2G_R03_en_422303_PRT.book Page 4 Monday, November 12, 2012 9:18 AM