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Device description, 4 description code – KROHNE H250 M8-M9-M10 EN User Manual

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DEVICE DESCRIPTION

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H250

www.krohne.com

04/2011 - 4000269302 MA H250-R02 en

2.4 Description code

The description code* consists of the following elements:

* positions which are not needed are omitted (no blank positions)

1 Device type
H250 - standard version
H250H - horizontal flow direction
H250U - flow direction from top to bottom

2 Materials / versions
RR - Stainless Steel
C - PTFE or PTFE/ceramics
HC - Hastelloy
Ti - Titanium
F - aseptic version (food)

3 Heating jacket version
B - with heating jacket

4 Series of indicators
M8 - Indicator M8
M9 - Indicator M9 standard indicator
M9S - Indicator with added impact and corrosion protection
M9R - Indicator in Stainless Steel housing
M10 - Indicator or signal converter M10

5 Design of indicator M8
MG - Mechanical indicator
EG - Electronic indicator with signal output 4...20 mA

6 High-temperature version
HT - Version with HT extension

7 Electrical signal output
ESK - Current output or Profibus-PA
ESK-Z - Current output and totalizer

8 Limit switch
K1 - One limit switch
K2 - Two limit switches
S1 - One SIL2 Limit switch acc. to IEC 61508
S2 - Two SIL2 Limit switches acc. to IEC 61508

9 Explosion protection
Ex - Explosion-protected equipment

10 SIL
SK - SIL2 compliance of limit switches acc. to IEC 61508

MA_H250_R02_en_269302_PRT.book Page 14 Tuesday, April 12, 2011 10:17 AM