Description de l'appareil, 2 description code – KROHNE H250 M40 ATEX II2G Ex i FR Manuel d'utilisation

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DESCRIPTION DE L'APPAREIL

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H250 M40

www.krohne.com

08/2012 - 4001716401 - MA H250/M40-Ex-II2G-AD R01 fr

Description de l'appareil

2.1 Description de l’appareil

Les débitmètres à sections variables sont conçus pour mesurer et indiquer le débit-volume de
gaz et de liquides inflammables et non inflammables. Selon la version d'appareil, il est possible
d'équiper l'indicateur de contacts de détecteurs de seuil électriques et d'une sortie signal
4...20 mA avec communication HART

®

, une interface Foundation Fieldbus ou une interface

Profibus PA.

2.2 Description code

The safety description code * consists of the following elements:

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

1 Type series measuring unit H250

H250 - standard version, vertical upwards
H250H - horizontal orientation
H250U - vertical downwards

2 Measuring unit materials / versions

RR - Stainless Steel
C - PTFE or PTFE/ceramics
HC - Hastelloy C
Ti - Titanium
F - Food

3 Heating jacket version

blanc - without heating jacket
B - with heating jacket

4 Signal converter version

M40 - Aluminium housing, painted (standard)
M40S - Aluminium housing with added corrosion protection
M40R - Stainless steel housing
M40T - Stainless steel housing with added corrosion protection

5 High temperature version

blanc - without HT extension
HT - with HT extension

6 Electrical signal output

blanc - without transmitter
ESK - Electrical signal output 4...20mA (ESK4)
. . . - optionally available with counter, I/O module and display (ESK4-T) or
. . . - Foundation Fieldbus (ESK4-FF) or
. . . - Profibus PA (ESK4-PA)

7 Limit switches

blanc - without limit switches
K1 - One limit switch
K2 - Two limit switches
R1 - 1 reed switch
R2 - 2 reed switches

8 Version

Ex - Explosion-protected version

9 SIL Version

SE - SIL compliant electronic signal output
SK - SIL compliant limit switch

AD_H250_M40_II2G_R01_fr_4001716401_PRT.book Page 4 Wednesday, August 1, 2012 8:03 AM

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