Device description – KROHNE H250 M9 ES EN User Manual
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DEVICE DESCRIPTION
10
H250
www.krohne.com
09/2012 - 4002294201 MA H250 KINAX R01 en
2.2 H250 M9 Kinax – special version device
1. H250/RR/M9
• Local indicator without auxiliary power
• 2-wire current output 4…20 mA - type KINAX 3W2
2.2.1 Float damping
Float damping is characterised by high standstill times and self-centering. The damping sleeve
is made of high performance ceramic or PEEK, depending on the medium and the application.
Float damping can also be retrofitted for the user (see Service).
Use of damping
• Generally when CIV and DIV floats are used for gas measurement.
• For TIV floats (H250/RR and H250/HC only) with an operating primary pressure:
Nominal size acc. to
Operating primary pressure
EN 1092-1
ASME B16.5
[bar]
[psig]
DN 50
½
"
≤0.3
≤4.4
DN25
1"
≤0.3
≤4.4
DN50
2"
≤0.2
≤2.9
DN80
3"
≤0.2
≤2.9
DN 100
4"
≤0.2
≤2.9
MA_H250_Sonder_Kinax_R01_en_4002294201_PRT.book Page 10 Monday, September 17, 2012 11:13 AM